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

125 mg250 mg/5 mL
V = mL
2.Easy
0123455 mL

The prescription is 54 mg. The stock solution contains 20 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

54 mg20 mg/1 mL
V = mL
3.Medium
20 kgBSA = 0.84 m²250 mg/m²D = ? mg

A patient weighing 20 kg has a body surface area of 0.84 m². The prescription is 250 mg/m². Find the dose D in mg.

20 kgBSA = 0.84 m²250 mg/m²
D = mg
4.Medium
024681010 mL

A child weighing 8 kg is prescribed 2.5 mg/kg of a drug. The stock solution contains 10 mg/mL. Draw up the dose: what volume V do you give?

8 kg2.5 mg/kg10 mg/mL
V = mL
5.Hard
20k units500 mL? mL/h1200 units/h

An infusion contains 20000 units of a drug in 500 mL. The prescription is 1200 units per hour. At what rate R do you set the pump, in mL/h?

20000 units/500 mL1200 units/h
R = mL/h
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 1.76 mg. The ampoule contains 4000 micrograms per mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

1.76 mg4000 mcg/mL
V = mL

Answer key

  1. 1. V = 2.5 mL
  2. 2. V = 2.7 mL
  3. 3. D = 210 mg
  4. 4. V = 2 mL
  5. 5. R = 30 mL/h
  6. 6. V = 0.44 mL

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