Dosage calculations worksheet with answers

Free printable Dosage calculations worksheet: 6 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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Name: ____________________   Date: ____________

1.Easy
? × 50 mg

A patient is prescribed 100 mg of a drug 4 times a day for 10 days. The tablets contain 50 mg each. How many tablets N are needed for the whole course?

100 mg4× per day10 days50 mg/tablet
N = tablets
2.Easy
200 mcg/1 mLV = ? mL

The prescription is 0.15 mg by injection. The ampoule is labelled 200 micrograms per mL. What volume V do you draw up?

0.15 mg200 mcg/mL
V = mL
3.Medium
60 kg20 mg/kg/day3× per dayD = ? mg

A patient weighs 60 kg. The prescribed dose is 20 mg/kg per day, given in 3 equal doses. How many milligrams D are given per dose?

60 kg20 mg/kg/day3× per day
D = mg
4.Medium
60 kg15 mg/kg/day2× per dayD = ? mg

A patient weighs 60 kg. The prescribed dose is 15 mg/kg per day, given in 2 equal doses. How many milligrams D are given per dose?

60 kg15 mg/kg/day2× per day
D = mg
5.Hard
32 kg116 cmBSA = √(h·w/3600)25 mg/m²D = ? mg

A patient is 116 cm tall and weighs 32 kg. The prescription is 25 mg/m². Using the Mosteller formula BSA = √(height (cm) × weight (kg)/3600), find the dose D in mg.

116 cm32 kg25 mg/m²
D = mg
6.Hard
47 kg152 cmBSA = √(h·w/3600)75 mg/m²D = ? mg

A patient is 152 cm tall and weighs 47 kg. The prescription is 75 mg/m². Using the Mosteller formula BSA = √(height (cm) × weight (kg)/3600), find the dose D in mg.

152 cm47 kg75 mg/m²
D = mg

Answer key

  1. 1. N = 80 tablets
  2. 2. V = 0.75 mL
  3. 3. D = 400 mg
  4. 4. D = 450 mg
  5. 5. D = 25.39 mg
  6. 6. D = 105.7 mg

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