• 120 questions

Dosage Calculations Practice Test

Unofficial nursing math practice: each medicine is a letter with a made-up strength, so no real dose is taught.

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A child weighs 44 lb. Using 1 kg = 2.2 lb, what is the weight in kg?

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Unofficial practice questions, not affiliated with the National Council of State Boards of Nursing or any nursing school. Bank checked October 9, 2026.

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All 120 questions with answers

Unit conversions 15

  • A baby weighs 3,400 g. What is that in kg? Answer: 3.4 kg. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A child weighs 44 lb. Using 1 kg = 2.2 lb, what is the weight in kg? Answer: 20 kg. Source: NIST Special Publication 811, Appendix B.8: 1 pound is 0.4535924 kg, which makes 1 kg 2.2 lb to one decimal place. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A client drinks an 8 oz cup of juice and a 4 oz cup of water. Using 1 oz = 30 mL, what is the intake in mL? Answer: 360 mL. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.4 Equivalencies, Tables 5.4a and 5.4d: 1 tsp = 5 mL, 1 Tbsp = 15 mL, 1 oz = 30 mL, 1 lb = 16 oz. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
Show all 120 questions (117 more)

Unit conversions, continued

  • A label gives a strength of 750 mcg. What is that in mg? Answer: 0.75 mg. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A newborn weighs 8 lb 4 oz. With 16 oz in a pound and 1 kg = 2.2 lb, what is the weight in kg? Answer: 3.75 kg. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.4 Equivalencies, Tables 5.4a and 5.4d: 1 tsp = 5 mL, 1 Tbsp = 15 mL, 1 oz = 30 mL, 1 lb = 16 oz. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A strength is written as 0.003 g. What is that in mcg? Answer: 3,000 mcg. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • An adult weighs 154 lb. Using 1 kg = 2.2 lb, what is the weight in kg? Answer: 70 kg. Source: NIST Special Publication 811, Appendix B.8: 1 pound is 0.4535924 kg, which makes 1 kg 2.2 lb to one decimal place. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • An infusion is to run over 90 minutes. What is that in hours? Answer: 1.5 hours. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • An intake record shows 1,500 mL. What is that in liters? Answer: 1.5 L. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • An order is for 1.5 tablespoons of a liquid. Using 1 tablespoon = 15 mL, how many mL is that? Answer: 22.5 mL. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.4 Equivalencies, Tables 5.4a and 5.4d: 1 tsp = 5 mL, 1 Tbsp = 15 mL, 1 oz = 30 mL, 1 lb = 16 oz. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • An order is for 2 teaspoons of a liquid. Using 1 teaspoon = 5 mL, how many mL is that? Answer: 10 mL. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.4 Equivalencies, Tables 5.4a and 5.4d: 1 tsp = 5 mL, 1 Tbsp = 15 mL, 1 oz = 30 mL, 1 lb = 16 oz. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • An order is written as 0.02 g. What is that in mg? Answer: 20 mg. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • An order is written as 0.4 mg, and the label is in mcg. What is 0.4 mg in mcg? Answer: 400 mcg. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • How many mcg are in 0.25 mg? Answer: 250 mcg. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • How many mg are in 0.5 g? Answer: 500 mg. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).

Tablets and capsules 15

  • A bottle holds 30 tablets of Medicine G, each labeled 40 mg. The order is 80 mg once a day. How many days does the bottle last? Answer: 15 days. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A client takes 1.5 tablets of Medicine H. Each tablet is labeled 80 mg. How many mg is the dose? Answer: 120 mg. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 0.05 mg of Medicine D. The scored tablets are labeled 0.1 mg. How many tablets make the dose? Answer: 0.5 tablet. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 0.2 mg of Medicine E. The tablets are labeled 100 mcg. How many tablets make the dose? Answer: 2 tablets. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 0.3 mg of Medicine C. The tablets are labeled 150 mcg. How many tablets make the dose? Answer: 2 tablets. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 0.6 g of Medicine C. The capsules are labeled 300 mg. How many capsules make the dose? Answer: 2 capsules. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 1.25 mg of Medicine D. The scored tablets are labeled 2.5 mg. How many tablets make the dose? Answer: 0.5 tablet. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 12.5 mg of Medicine E. The scored tablets are labeled 5 mg. How many tablets make the dose? Answer: 2.5 tablets. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 15 mg of Medicine G twice a day. The tablets are labeled 5 mg. How many tablets are given in one day? Answer: 6 tablets. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 20 mg of Medicine F 3 times a day. The tablets are labeled 10 mg. How many tablets cover 7 days? Answer: 42 tablets. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 25 mg of Medicine B. The scored tablets are labeled 50 mg. How many tablets make the dose? Answer: 0.5 tablet. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 37.5 mg of Medicine A. The scored tablets are labeled 25 mg. How many tablets make the dose? Answer: 1.5 tablets. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 60 mg of Medicine B a day, split into 3 equal doses. The tablets are labeled 10 mg. How many tablets is each dose? Answer: 2 tablets. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 500 mg of Medicine A. The tablets are labeled 250 mg. How many tablets make the dose? Answer: 2 tablets. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 750 mg of Medicine F. The scored tablets are labeled 500 mg. How many tablets make the dose? Answer: 1.5 tablets. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).

Liquid doses 15

  • A dose of 7.5 mL is poured from a bottle of Medicine E labeled 80 mg in 5 mL. How many mg is the dose? Answer: 120 mg. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 0.4 g of Medicine B. The bottle is labeled 250 mg in 5 mL. How many mL make the dose? Answer: 8 mL. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 0.5 mg of Medicine F. The vial is labeled 2 mg in 2 mL. How many mL are drawn up? Answer: 0.5 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 2.5 mg of Medicine G. The vial is labeled 10 mg in 2 mL. How many mL are drawn up? Answer: 0.5 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 7.5 mL of Medicine G 3 times a day for 10 days. How many mL does the full course take? Answer: 225 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 30 mg of Medicine A. The bottle is labeled 10 mg per mL. How many mL make the dose? Answer: 3 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 40 mg of Medicine D by injection. The vial is labeled 50 mg per mL. How many mL are drawn up? Answer: 0.8 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 45 mg of Medicine H. The vial is labeled 15 mg in 2 mL. How many mL make the dose? Answer: 6 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 70 mg of Medicine F. The vial is labeled 30 mg per mL. How many mL are drawn up, to the nearest tenth? Answer: 2.3 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 125 mcg of Medicine C. The vial is labeled 0.5 mg in 2 mL. How many mL are drawn up? Answer: 0.5 mL. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 150 mg of Medicine C. The bottle is labeled 100 mg in 5 mL. How many mL make the dose? Answer: 7.5 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 180 mg of Medicine B. The bottle is labeled 60 mg in 5 mL. How many mL make the dose? Answer: 15 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 1,200 mg of Medicine D. The bottle is labeled 400 mg in 10 mL. How many mL make the dose? Answer: 30 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 4,500 units of Medicine A. The vial is labeled 5,000 units per mL. How many mL are drawn up? Answer: 0.9 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 6,000 units of Medicine E. The vial is labeled 10,000 units per mL. How many mL are drawn up? Answer: 0.6 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).

Dose by weight 15

  • A baby weighs 3,500 g. The order is 15 mg per kg of Medicine D. How many mg is the dose? Answer: 52.5 mg. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The label of Medicine E gives a range of 20 to 40 mg per kg a day. The child weighs 15 kg. What is the range for this child? Answer: 300 to 600 mg a day. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The label of Medicine F gives a range of 10 to 15 mg per kg for one dose. The child weighs 22 kg. Which dose is inside the range? Answer: 300 mg. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 0.1 mg per kg of Medicine B. The adult weighs 72 kg. How many mg is the dose? Answer: 7.2 mg. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 1.5 mg per kg of Medicine B. The adult weighs 60 kg. The vial is labeled 50 mg per mL. How many mL are drawn up? Answer: 1.8 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 2 mg per kg of Medicine C. The child weighs 66 lb. Using 1 kg = 2.2 lb, how many mg is the dose? Answer: 60 mg. Source: NIST Special Publication 811, Appendix B.8: 1 pound is 0.4535924 kg, which makes 1 kg 2.2 lb to one decimal place. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 4 mg per kg of Medicine G. The adult weighs 150 lb. Using 1 kg = 2.2 lb, how many mg is the dose, to the nearest whole mg? Answer: 273 mg. Source: NIST Special Publication 811, Appendix B.8: 1 pound is 0.4535924 kg, which makes 1 kg 2.2 lb to one decimal place. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 5 mcg per kg of Medicine E. The adult weighs 80 kg. How many mg is the dose? Answer: 0.4 mg. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 5 mg per kg of Medicine A. The child weighs 20 kg. How many mg is the dose? Answer: 100 mg. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 12 mg per kg of Medicine H every 6 hours. The child weighs 10 kg. How many mg are given in 24 hours? Answer: 480 mg. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 15 mg per kg of Medicine A. The child weighs 16 kg. The bottle is labeled 120 mg in 5 mL. How many mL make the dose? Answer: 10 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 25 mg per kg a day of Medicine D in 2 equal doses. The adult weighs 40 kg. The tablets are labeled 250 mg. How many tablets is each dose? Answer: 2 tablets. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 30 mg per kg a day of Medicine G, given every 8 hours. The child weighs 12 kg. How many mg is each dose? Answer: 120 mg. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 40 mg per kg a day of Medicine F, split into 4 equal doses. The child weighs 25 kg. How many mg is each dose? Answer: 250 mg. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 80 units per kg of Medicine C. The adult weighs 75 kg. The vial is labeled 5,000 units per mL. How many mL are drawn up? Answer: 1.2 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).

Flow rate in mL per hour 15

  • A 750 mL bag runs at 60 mL per hour. How long does the bag last? Answer: 12 hours 30 minutes. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • A 1,000 mL bag has 400 mL already infused. The pump runs at 100 mL per hour. How many more hours does the bag last? Answer: 6 hours. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • A 1,000 mL bag starts at 9:00 a.m. on a pump set to 80 mL per hour. At what time is the bag empty? Answer: 9:30 p.m. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • A bag holds 1 g of Medicine D in 250 mL. The order is 2 mg per minute. What rate in mL per hour is set? Answer: 30 mL per hour. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • A bag holds 200 mg of Medicine F in 250 mL. The order is 4 mcg per kg per minute for an adult of 70 kg. What rate in mL per hour is set? Answer: 21 mL per hour. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • A bag holds 250 mg of Medicine C in 500 mL. The pump runs at 30 mL per hour. How many mg per hour is the client getting? Answer: 15 mg per hour. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • A bag holds 500 mg of Medicine A in 250 mL. The order is 20 mg per hour. What rate in mL per hour is set? Answer: 10 mL per hour. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • A bag holds 20,000 units of Medicine B in 500 mL. The order is 900 units per hour. What rate in mL per hour is set? Answer: 22.5 mL per hour. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • A bag of 150 mL is to run over 45 minutes on a pump. What rate in mL per hour is set? Answer: 200 mL per hour. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • A bag of 250 mL is to run over 90 minutes on a pump. What rate is set, to the nearest whole mL per hour? Answer: 167 mL per hour. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • A pump runs at 80 mL per hour for 3.5 hours. How many mL have gone in? Answer: 280 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • The order is 2 L of IV fluid over 24 hours on a pump. What rate is set, to the nearest whole mL per hour? Answer: 83 mL per hour. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • The order is 600 mL of IV fluid over 4 hours on a pump. What rate in mL per hour is set? Answer: 150 mL per hour. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • The order is 1,000 mL of IV fluid over 10 hours on a pump. What rate in mL per hour is set? Answer: 100 mL per hour. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • The pump for Medicine E is set to 12 mL per hour. The bag holds 100 mg in 250 mL. How many mg does the client get in 5 hours? Answer: 24 mg. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.

Drip rate in drops per minute 15

  • A 500 mL bag runs by gravity at 25 drops per minute through tubing that gives 15 drops per mL. How long does the bag last? Answer: 5 hours. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • A bag of 50 mL is to run over 30 minutes by gravity through tubing that gives 15 drops per mL. What is the drip rate? Answer: 25 drops per minute. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • A bag of 150 mL is to run over 40 minutes by gravity through tubing that gives 20 drops per mL. What is the drip rate? Answer: 75 drops per minute. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • A nurse counts 20 drops per minute through microdrip tubing that gives 60 drops per mL. What rate is that in mL per hour? Answer: 20 mL per hour. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • A nurse counts 30 drops per minute through tubing that gives 15 drops per mL. What rate is that in mL per hour? Answer: 120 mL per hour. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • An IV is to give 90 mL in the next hour by gravity through tubing that gives 20 drops per mL. What is the drip rate? Answer: 30 drops per minute. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • An IV runs at 80 mL per hour by gravity through tubing that gives 10 drops per mL. What is the drip rate, to the nearest drop? Answer: 13 drops per minute. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • An IV runs at 100 mL per hour by gravity through microdrip tubing that gives 60 drops per mL. What is the drip rate? Answer: 100 drops per minute. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • An IV runs at 125 mL per hour by gravity through tubing that gives 20 drops per mL. What is the drip rate, to the nearest drop? Answer: 42 drops per minute. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • The drip rate works out to 28 drops per minute. How many drops should fall in 15 seconds? Answer: 7 drops. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • The order is 1 L over 9 hours by gravity through tubing that gives 20 drops per mL. What is the drip rate, to the nearest drop? Answer: 37 drops per minute. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • The order is 2.4 L over 24 hours by gravity through tubing that gives 20 drops per mL. What is the drip rate, to the nearest drop? Answer: 33 drops per minute. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • The order is 250 mL over 3 hours by gravity through tubing that gives 10 drops per mL. What is the drip rate, to the nearest drop? Answer: 14 drops per minute. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • The order is 600 mL over 5 hours by gravity through tubing that gives 20 drops per mL. What is the drip rate? Answer: 40 drops per minute. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.
  • The order is 1,000 mL over 8 hours by gravity through tubing that gives 15 drops per mL. What is the drip rate, to the nearest drop? Answer: 31 drops per minute. Source: Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), section 5.14 IV Infusion by Gravity: the drop factor is the drops in 1 mL. Outline: 2026 NCLEX-PN Test Plan, Medication Administration (calculate and monitor intravenous flow rate); 2026 NCLEX-RN Test Plan, Dosage Calculations.

Reconstitution 15

  • A bottle of Medicine G powder says: add 78 mL of water to make 100 mL at 250 mg in 5 mL. The order is 400 mg. How many mL make the dose? Answer: 8 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A mixed bottle of Medicine E holds 150 mL. The order is 10 mL 3 times a day. How many days does the bottle last? Answer: 5 days. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A vial holds 2 g of Medicine D. After 8 mL of diluent the final volume is 10 mL. What is the strength in mg per mL? Answer: 200 mg per mL. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A vial holds 1,000,000 units of Medicine A. The label says: add 9.6 mL of diluent to give 100,000 units per mL. The order is 400,000 units. How many mL are drawn up? Answer: 4 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A vial of Medicine A powder says: add 9.6 mL of diluent to give 100 mg per mL. The order is 250 mg. How many mL are drawn up? Answer: 2.5 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A vial of Medicine B powder says: add 1.8 mL of diluent to give 250 mg per mL. The order is 300 mg. How many mL are drawn up? Answer: 1.2 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A vial of Medicine C powder says: add 3.4 mL of diluent for a final volume of 4 mL. How much volume does the powder itself add? Answer: 0.6 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A vial of Medicine E says: add 4.6 mL of diluent to give 5 mL at 200 mg per mL. How many mg does the whole vial hold? Answer: 1,000 mg. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A vial of Medicine F gives two choices: add 3 mL for 300 mg per mL, or add 5 mL for 200 mg per mL. The nurse adds 5 mL. The order is 500 mg. How many mL are drawn up? Answer: 2.5 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A vial of Medicine F is mixed to 50 mg per mL. The nurse draws up 4 mL and adds it to a bag so the total volume is 100 mL. What is the strength in the bag? Answer: 2 mg per mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 0.75 g of Medicine H. After mixing, the vial holds 250 mg per mL. How many mL are drawn up? Answer: 3 mL. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 1.5 g of Medicine C. Each vial holds 500 mg once mixed. How many vials are needed? Answer: 3 vials. Source: NIST, Metric (SI) Prefixes: kilo is a thousand, milli a thousandth, micro a millionth. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 20 mg per kg of Medicine D for a child of 9 kg. After mixing, the vial holds 100 mg per mL. How many mL are drawn up? Answer: 1.8 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 90 mg of Medicine G. After mixing, the vial holds 40 mg per mL. How many mL are drawn up? Answer: 2.25 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • The order is 180 mg of Medicine B. The vial says: add 2.5 mL of diluent to give 3 mL at 120 mg per mL. How many mL are drawn up? Answer: 1.5 mL. Source: Own question; the answer is arithmetic on the numbers in the question, worked out twice. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).

Percentage and ratio strength 15

  • A 0.9% solution holds 0.9 g in every 100 mL. How many g are in a 500 mL bag? Answer: 4.5 g. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A 1:1,000 solution holds 1 g in 1,000 mL. A percent strength is the g in 100 mL. What is 1:1,000 as a percent? Answer: 0.1%. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A 2% solution holds 2 g in every 100 mL. What is that in mg per mL? Answer: 20 mg per mL. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A 5% solution holds 5 g in every 100 mL. How many g are in 1,000 mL? Answer: 50 g. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A 10% solution holds 10 g in every 100 mL. How many g are in 250 mL? Answer: 25 g. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A 10% solution holds 10 g in every 100 mL. How many mL hold 2 g? Answer: 20 mL. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A 50% solution holds 50 g in every 100 mL. How many mL hold 12.5 g? Answer: 25 mL. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A bag holds 25 g of a solid dissolved to make 500 mL. A percent strength is the g in 100 mL. What is the strength? Answer: 5%. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A label reads 1:1,000, which means 1 g in 1,000 mL. How many mg are in a 30 mL vial? Answer: 30 mg. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A label reads 1:1,000, which means 1 g in 1,000 mL. What is that in mg per mL? Answer: 1 mg per mL. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A nurse adds water to 100 mL of a 10% solution until the volume is 500 mL. A 10% solution holds 10 g in 100 mL. What is the new strength? Answer: 2%. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • A vial holds 450 mg dissolved to make 50 mL. A percent strength is the g in 100 mL. What is the strength? Answer: 0.9%. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • Medicine A is labeled 1:1,000, which is 1 mg per mL. The order is 0.7 mg. How many mL are drawn up? Answer: 0.7 mL. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • Medicine B is a 1% solution, which holds 1 g in every 100 mL. The order is 50 mg. How many mL make the dose? Answer: 5 mL. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).
  • Medicine C is a 2.5% solution, which holds 2.5 g in every 100 mL. The order is 150 mg. How many mL make the dose? Answer: 6 mL. Source: Open RN Nursing Skills 2e (CC BY 4.0), section 5.4, Other Measurements (percentages, ratios); Wikipedia, Mass concentration (chemistry): 1 g in 100 mL is labeled 1%. Outline: Dosage Calculations, 2026 NCLEX-RN and NCLEX-PN Test Plans (perform calculations needed for medication administration).

How this list was compiled: Our own calculation problems. Every medicine is a letter and every strength, weight, order and label is made up for the drill, so no real dose is stated. The answer to each is arithmetic on the numbers in the question, worked out twice by separate calculations (2026-10-09). The kinds of calculation follow the Dosage Calculations content of the 2026 NCLEX-RN and NCLEX-PN Test Plans of the National Council of State Boards of Nursing (https://www.nclex.com/test-plans.page, read 2026-10-09): perform calculations needed for medication administration; calculate and monitor intravenous flow rate. Metric steps are from NIST, Metric (SI) Prefixes; the pound from NIST Special Publication 811, Appendix B.8; the rounded household measures, the drop factor and the meaning of the 1:1,000 ratio from Open RN Nursing Skills 2e (WisTech Open, CC BY 4.0), sections 5.4, 5.5 and 5.14; percent strength as g in 100 mL from the same section 5.4 and Wikipedia, Mass concentration (chemistry); all read 2026-10-09. Licence: Questions, choices and explanations are original work of this site.

How it works

This dosage calculations practice test is 120 problems of our own, each worked out. It is unofficial and not affiliated with, endorsed by or sponsored by the National Council of State Boards of Nursing or any nursing school. Exam practice, not medical advice.

Read the full guide

What it follows

Both 2026 NCLEX test plans, read October 9, 2026, list Dosage Calculations under pharmacological therapies: perform calculations needed for medication administration. The practical nurse plan adds calculating and monitoring intravenous flow rate.

Eight topics, 15 problems each

Unit conversions, tablets and capsules, liquid doses, dose by weight, flow rate in mL per hour, drip rate in drops per minute, reconstitution, and percentage and ratio strength.

Conversions and rounding

Metric steps are exact: 1 g is 1,000 mg and 1 mg is 1,000 mcg. A problem that leaves metric states its factor, such as 1 kg = 2.2 lb or 1 teaspoon = 5 mL. Where an answer does not come out even, the problem says how to round.

  • Put both numbers in the same unit before you divide: mcg with mcg, minutes with minutes.
  • Size-check each answer. A weight in kg is under half the pounds, and drops per minute is a whole number.
  • Answers here keep a leading zero and drop a trailing one: 0.5 mL, and 5 mL in place of 5.0 mL.

Questions and answers

Is this a dosage calculation practice test for nursing students?

Yes. It drills the arithmetic the NCLEX test plans call dosage calculations: converting units, then working out tablets, mL, mL per hour and drops per minute. No school's own test is copied here.

What is on a dosage calculations test?

That depends on who sets it, so ask your program which topics and rounding rules it uses. This dosage and calculations practice test covers eight topics, from unit conversions to percentage and ratio strength, and implies no exam's length or pass mark.

How do you calculate drops per minute?

Multiply the volume in mL by the tubing's drop factor, then divide by the time in minutes. For 600 mL over 5 hours through tubing that gives 20 drops per mL: 600 × 20 ÷ 300 = 40 drops per minute.

Are these real NCLEX dosage calculation questions?

No. Every problem is our own, with medicines named by letter and made-up strengths. None is copied or reworded from the exam, the sample items in the test plans, a school test or a review book.

Is there a printable practice test for dosage calculations?

Yes. After a round or an exam, Print lists the questions you just answered so they print as a paper test. Tick the answer key and the working for each question prints with them.

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