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
? × 125 mcg

The prescription is 0.375 mg of a drug. The tablets contain 125 micrograms (mcg) each. How many tablets n do you give?

0.375 mg125 mcg/tablet
n = tablets
2.Easy
? × 50 mg

A patient is prescribed 125 mg of a drug. The tablets on the ward contain 50 mg each. How many tablets n do you give? The tablets are scored, so they can be broken in half.

125 mg50 mg/tablet
n = tablets
3.Medium
024681010 mL

A child weighing 34 kg is prescribed 4 mg/kg of a drug. The stock solution contains 40 mg/mL. Draw up the dose: what volume V do you give?

34 kg4 mg/kg40 mg/mL
V = mL
4.Medium
024681010 mL

A child weighing 18 kg is prescribed 20 mg/kg of a drug. The stock solution contains 40 mg/mL. Draw up the dose: what volume V do you give?

18 kg20 mg/kg40 mg/mL
V = mL
5.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 0.4 mg. The ampoule contains 1000 micrograms per mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

0.4 mg1000 mcg/mL
V = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 0.44 mg. The ampoule contains 500 micrograms per mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

0.44 mg500 mcg/mL
V = mL

Answer key

  1. 1. n = 3 tablets
  2. 2. n = 2.5 tablets
  3. 3. V = 3.4 mL
  4. 4. V = 9 mL
  5. 5. V = 0.4 mL
  6. 6. V = 0.88 mL

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