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 85 mg. The stock solution contains 125 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

85 mg125 mg/5 mL
V = mL
2.Easy
500 mcg/1 mLV = ? mL

The prescription is 0.25 mg by injection. The ampoule is labelled 500 micrograms per mL. What volume V do you draw up?

0.25 mg500 mcg/mL
V = mL
3.Medium
024681010 mL

A child weighing 9 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?

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

A child weighing 18 kg is prescribed 5 mg/kg of a drug. The stock solution contains 25 mg/mL. Draw up the dose: what volume V do you give?

18 kg5 mg/kg25 mg/mL
V = mL
5.Hard
200 mg/5 mLV = ? mL

A patient weighs 101.2 lb. The prescription is 0.5 mg/kg as a single dose, and the stock contains 200 mg in 5 mL. Using 1 kg = 2.2 lb, what volume V do you give? Round to two decimal places.

101.2 lb0.5 mg/kg200 mg/5 mL1 kg = 2.2 lb
V = mL
6.Hard
250 mg/5 mLV = ? mL

A child weighing 18 kg is prescribed 10 mg/kg per dose of an oral suspension that contains 250 mg in 5 mL. What volume V do you give?

18 kg10 mg/kg250 mg/5 mL
V = mL

Answer key

  1. 1. V = 3.4 mL
  2. 2. V = 0.5 mL
  3. 3. V = 5.4 mL
  4. 4. V = 3.6 mL
  5. 5. V = 0.58 mL
  6. 6. V = 3.6 mL

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