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
? × 0.5 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
2.Easy
200 mg/5 mLV = ? mL

The prescription is 80 mg. The stock solution contains 200 mg in 5 mL. What volume V do you draw up?

80 mg200 mg/5 mL
V = mL
3.Medium
37 kgBSA = 1.17 m²135 mg/m²D = ? mg

A patient weighing 37 kg has a body surface area of 1.17 m². The prescription is 135 mg/m². Find the dose D in mg.

37 kgBSA = 1.17 m²135 mg/m²
D = mg
4.Medium
1%w/vV = ? mL

A dose of 30 mg is needed from a 1% (w/v) solution. What volume V contains this dose?

30 mg1% w/v
V = mL
5.Hard
20k units500 mL? mL/h2000 units/h

An infusion contains 20000 units of a drug in 500 mL. The prescription is 2000 units per hour. At what rate R do you set the pump, in mL/h?

20000 units/500 mL2000 units/h
R = mL/h
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 1.3 mg. The ampoule contains 2000 micrograms per mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

1.3 mg2000 mcg/mL
V = mL

Answer key

  1. 1. n = 3 tablets
  2. 2. V = 2 mL
  3. 3. D = 157.9 mg
  4. 4. V = 3 mL
  5. 5. R = 50 mL/h
  6. 6. V = 0.65 mL

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