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
500 mcg/1 mLV = ? mL

The prescription is 0.5 mg by injection. The ampoule is labelled 500 micrograms per mL. What volume V do you draw up?

0.5 mg500 mcg/mL
V = mL
2.Easy
0123455 mL

The prescription is 76 mg. The stock solution contains 20 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

76 mg20 mg/1 mL
V = mL
3.Medium
024681010 mL

A child weighing 10 kg is prescribed 15 mg/kg of a drug. The stock solution contains 25 mg/mL. Draw up the dose: what volume V do you give?

10 kg15 mg/kg25 mg/mL
V = mL
4.Medium
024681010 mL

A child weighing 13 kg is prescribed 4 mg/kg of a drug. The stock solution contains 10 mg/mL. Draw up the dose: what volume V do you give?

13 kg4 mg/kg10 mg/mL
V = mL
5.Hard
10%stockV₁ = ? mL

You must prepare 200 mL of a 2% (w/v) solution from a 10% (w/v) stock solution. What volume of stock V₁ do you need?

C₁ = 10%C₂ = 2%V₂ = 200 mL
V₁ = mL
6.Hard
40 mg/1 mLV = ? mL

A child weighing 8 kg is prescribed 12.5 mg/kg per dose of an oral suspension that contains 40 mg in 1 mL. What volume V do you give?

8 kg12.5 mg/kg40 mg/1 mL
V = mL

Answer key

  1. 1. V = 1 mL
  2. 2. V = 3.8 mL
  3. 3. V = 6 mL
  4. 4. V = 5.2 mL
  5. 5. V₁ = 40 mL
  6. 6. V = 2.5 mL

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