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
0123455 mL

The prescription is 100 mg. The stock solution contains 200 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

100 mg200 mg/5 mL
V = mL
2.Easy
100 mcg/1 mLV = ? mL

The prescription is 0.05 mg by injection. The ampoule is labelled 100 micrograms per mL. What volume V do you draw up?

0.05 mg100 mcg/mL
V = mL
3.Medium
18 kg7.5 mg/kg/day2× per dayD = ? mg

A patient weighs 18 kg. The prescribed dose is 7.5 mg/kg per day, given in 2 equal doses. How many milligrams D are given per dose?

18 kg7.5 mg/kg/day2× per day
D = mg
4.Medium
2%5 mLm = ? mg

How many milligrams of drug m are in 5 mL of a 2% (w/v) solution?

2% w/v5 mL
m = mg
5.Hard
38 kg149 cmBSA = √(h·w/3600)250 mg/m²D = ? mg

A patient is 149 cm tall and weighs 38 kg. The prescription is 250 mg/m². Using the Mosteller formula BSA = √(height (cm) × weight (kg)/3600), find the dose D in mg.

149 cm38 kg250 mg/m²
D = mg
6.Hard
100 mg/5 mLV = ? mL

A child weighing 14 kg is prescribed 5 mg/kg per dose of an oral suspension that contains 100 mg in 5 mL. What volume V do you give?

14 kg5 mg/kg100 mg/5 mL
V = mL

Answer key

  1. 1. V = 2.5 mL
  2. 2. V = 0.5 mL
  3. 3. D = 67.5 mg
  4. 4. m = 100 mg
  5. 5. D = 313.5 mg
  6. 6. V = 3.5 mL

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