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
? × 0.1 mg

The prescription is 200 micrograms (mcg) of a drug. The tablets contain 0.1 mg each. How many tablets n do you give?

200 mcg0.1 mg/tablet
n = tablets
2.Easy
? × 12.5 mg

A patient is prescribed 12.5 mg of a drug. The tablets on the ward contain 12.5 mg each. How many tablets n do you give?

12.5 mg12.5 mg/tablet
n = tablets
3.Medium
024681010 mL

A child weighing 28 kg is prescribed 2 mg/kg of a drug. The stock solution contains 40 mg/mL. Draw up the dose: what volume V do you give?

28 kg2 mg/kg40 mg/mL
V = mL
4.Medium
30 kg20 mg/kgD = ? mg

A patient weighs 30 kg and is prescribed 20 mg/kg as a single dose. Find the dose D in mg.

30 kg20 mg/kg
D = mg
5.Hard
20k units1000 mL? mL/h1250 units/h

An infusion contains 20000 units of a drug in 1000 mL. The prescription is 1250 units per hour. At what rate R do you set the pump, in mL/h?

20000 units/1000 mL1250 units/h
R = mL/h
6.Hard
250 mg/5 mLV = ? mL

A child weighing 14 kg is prescribed 15 mg/kg per dose of an oral suspension that contains 250 mg in 5 mL. What volume V do you give?

14 kg15 mg/kg250 mg/5 mL
V = mL

Answer key

  1. 1. n = 2 tablets
  2. 2. n = 1 tablets
  3. 3. V = 1.4 mL
  4. 4. D = 600 mg
  5. 5. R = 62.5 mL/h
  6. 6. V = 4.2 mL

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