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.

New worksheetPractise online with hints

For teachers: free to print, copy and use in class. Every new worksheet has new values and its own answer key. A link to ExamProblems on your course page is appreciated.

Name: ____________________   Date: ____________

1.Easy
0123455 mL

The prescription is 90 mg. The stock solution contains 25 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

90 mg25 mg/1 mL
V = mL
2.Easy
? × 100 mg

A patient is prescribed 250 mg of a drug. The tablets on the ward contain 100 mg each. How many tablets n do you give? The tablets are scored, so they can be broken in half.

250 mg100 mg/tablet
n = tablets
3.Medium
024681010 mL

A child weighing 16 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?

16 kg2.5 mg/kg25 mg/mL
V = mL
4.Medium
024681010 mL

A child weighing 24 kg is prescribed 4 mg/kg of a drug. The stock solution contains 40 mg/mL. Draw up the dose: what volume V do you give?

24 kg4 mg/kg40 mg/mL
V = mL
5.Hard
40k units250 mL? mL/h800 units/h

An infusion contains 40000 units of a drug in 250 mL. The prescription is 800 units per hour. At what rate R do you set the pump, in mL/h?

40000 units/250 mL800 units/h
R = mL/h
6.Hard
25k units250 mL? mL/h1500 units/h

An infusion contains 25000 units of a drug in 250 mL. The prescription is 1500 units per hour. At what rate R do you set the pump, in mL/h?

25000 units/250 mL1500 units/h
R = mL/h

Answer key

  1. 1. V = 3.6 mL
  2. 2. n = 2.5 tablets
  3. 3. V = 1.6 mL
  4. 4. V = 2.4 mL
  5. 5. R = 5 mL/h
  6. 6. R = 15 mL/h

Full step-by-step solutions: practise this topic on examproblems.com.