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
0123455 mL

The prescription is 32.5 mg. The stock solution contains 125 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

32.5 mg125 mg/5 mL
V = mL
2.Easy
0123455 mL

The prescription is 40 mg. The stock solution contains 25 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

40 mg25 mg/1 mL
V = mL
3.Medium
024681010 mL

A child weighing 28 kg is prescribed 2.5 mg/kg of a drug. The stock solution contains 25 mg/mL. Draw up the dose: what volume V do you give?

28 kg2.5 mg/kg25 mg/mL
V = mL
4.Medium
22 kg10 mg/kg/day3× per dayD = ? mg

A patient weighs 22 kg. The prescribed dose is 10 mg/kg per day, given in 3 equal doses. How many milligrams D are given per dose?

22 kg10 mg/kg/day3× per day
D = mg
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 33 lb. The prescription is 2 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?

33 lb2 mg/kg100 mg/1 mL1 kg = 2.2 lb
V = mL

Answer key

  1. 1. V = 1.3 mL
  2. 2. V = 1.6 mL
  3. 3. V = 2.8 mL
  4. 4. D = 73.33 mg
  5. 5. R = 12 mL/h
  6. 6. V = 0.3 mL

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