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
250 mg/5 mLV = ? mL

The prescription is 300 mg. The stock solution contains 250 mg in 5 mL. What volume V do you draw up?

300 mg250 mg/5 mL
V = mL
2.Easy
? × 0.5 mg

The prescription is 1500 micrograms (mcg) of a drug. The tablets contain 0.5 mg each. How many tablets n do you give?

1500 mcg0.5 mg/tablet
n = tablets
3.Medium
1:1000ampouleV = ? mL

An ampoule of epinephrine (adrenaline) is labelled 1:1000 (1 mg/mL). The prescription is 0.5 mg IM for anaphylaxis. What volume V do you draw up?

1:10000.5 mg
V = mL
4.Medium
024681010 mL

A child weighing 32 kg is prescribed 7.5 mg/kg of a drug. The stock solution contains 50 mg/mL. Draw up the dose: what volume V do you give?

32 kg7.5 mg/kg50 mg/mL
V = mL
5.Hard
25k units250 mL? mL/h1200 units/h

An infusion contains 25000 units of a drug in 250 mL. The prescription is 1200 units per hour. At what rate R do you set the pump, in mL/h?

25000 units/250 mL1200 units/h
R = mL/h
6.Hard
100 mg/1 mLV = ? mL

A patient weighs 182.6 lb. The prescription is 10 mg/kg as a single dose, and the stock contains 100 mg in 1 mL. Using 1 kg = 2.2 lb, what volume V do you give?

182.6 lb10 mg/kg100 mg/1 mL1 kg = 2.2 lb
V = mL

Answer key

  1. 1. V = 6 mL
  2. 2. n = 3 tablets
  3. 3. V = 0.5 mL
  4. 4. V = 4.8 mL
  5. 5. R = 12 mL/h
  6. 6. V = 8.3 mL

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