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
10 mg/1 mLV = ? mL

The prescription is 5 mg. The stock solution contains 10 mg in 1 mL. What volume V do you draw up?

5 mg10 mg/1 mL
V = mL
2.Easy
? × 0.25 mg

The prescription is 500 micrograms (mcg) of a drug. The tablets contain 0.25 mg each. How many tablets n do you give?

500 mcg0.25 mg/tablet
n = tablets
3.Medium
024681010 mL

A child weighing 30 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?

30 kg5 mg/kg25 mg/mL
V = mL
4.Medium
70 kg10 mg/kgD = ? mg

A patient weighs 70 kg and is prescribed 10 mg/kg as a single dose. Find the dose D in mg.

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

The prescription is 9500 units of a drug that comes as 10000 units/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

9500 units10000 units/mL
V = mL
6.Hard
40k units250 mL? mL/h500 units/h

An infusion contains 40000 units of a drug in 250 mL. The prescription is 500 units per hour. At what rate R do you set the pump, in mL/h?

40000 units/250 mL500 units/h
R = mL/h

Answer key

  1. 1. V = 0.5 mL
  2. 2. n = 2 tablets
  3. 3. V = 6 mL
  4. 4. D = 700 mg
  5. 5. V = 0.95 mL
  6. 6. R = 3.125 mL/h

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