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 22.5 mg. The stock solution contains 25 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

22.5 mg25 mg/1 mL
V = mL
2.Easy
100 mcg/1 mLV = ? mL

The prescription is 0.15 mg by injection. The ampoule is labelled 100 micrograms per mL. What volume V do you draw up?

0.15 mg100 mcg/mL
V = mL
3.Medium
024681010 mL

A child weighing 38 kg is prescribed 10 mg/kg of a drug. The stock solution contains 50 mg/mL. Draw up the dose: what volume V do you give?

38 kg10 mg/kg50 mg/mL
V = mL
4.Medium
60 kg10 mg/kg/day2× per dayD = ? mg

A patient weighs 60 kg. The prescribed dose is 10 mg/kg per day, given in 2 equal doses. How many milligrams D are given per dose?

60 kg10 mg/kg/day2× per day
D = mg
5.Hard
120 mg/5 mLV = ? mL

A child weighing 10 kg is prescribed 20 mg/kg per dose of an oral suspension that contains 120 mg in 5 mL. What volume V do you give? Round to one decimal place.

10 kg20 mg/kg120 mg/5 mL
V = mL
6.Hard
120 mg/5 mLV = ? mL

A child weighing 8 kg is prescribed 20 mg/kg per dose of an oral suspension that contains 120 mg in 5 mL. What volume V do you give? Round to one decimal place.

8 kg20 mg/kg120 mg/5 mL
V = mL

Answer key

  1. 1. V = 0.9 mL
  2. 2. V = 1.5 mL
  3. 3. V = 7.6 mL
  4. 4. D = 300 mg
  5. 5. V = 8.3 mL
  6. 6. V = 6.7 mL

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