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
? × 25 mcg

The prescription is 0.025 mg of a drug. The tablets contain 25 micrograms (mcg) each. How many tablets n do you give?

0.025 mg25 mcg/tablet
n = tablets
2.Easy
? × 10 mg

A patient is prescribed 30 mg of a drug. The tablets on the ward contain 10 mg each. How many tablets n do you give?

30 mg10 mg/tablet
n = tablets
3.Medium
024681010 mL

A child weighing 11 kg is prescribed 4 mg/kg of a drug. The stock solution contains 20 mg/mL. Draw up the dose: what volume V do you give?

11 kg4 mg/kg20 mg/mL
V = mL
4.Medium
22 kg10 mg/kgD = ? mg

A patient weighs 22 kg and is prescribed 10 mg/kg as a single dose. Find the dose D in mg.

22 kg10 mg/kg
D = mg
5.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 4250 units of a drug that comes as 5000 units/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

4250 units5000 units/mL
V = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 1880 micrograms. The ampoule contains 2 mg/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

1880 mcg2 mg/mL
V = mL

Answer key

  1. 1. n = 1 tablets
  2. 2. n = 3 tablets
  3. 3. V = 2.2 mL
  4. 4. D = 220 mg
  5. 5. V = 0.85 mL
  6. 6. V = 0.94 mL

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