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
? × 500 mg

A patient is prescribed 1000 mg of a drug 4 times a day for 10 days. The tablets contain 500 mg each. How many tablets N are needed for the whole course?

1000 mg4× per day10 days500 mg/tablet
N = tablets
2.Easy
? × 125 mg

A patient is prescribed 187.5 mg of a drug. The tablets on the ward contain 125 mg each. How many tablets n do you give? The tablets are scored, so they can be broken in half.

187.5 mg125 mg/tablet
n = tablets
3.Medium
024681010 mL

A child weighing 22 kg is prescribed 4 mg/kg of a drug. The stock solution contains 10 mg/mL. Draw up the dose: what volume V do you give?

22 kg4 mg/kg10 mg/mL
V = mL
4.Medium
024681010 mL

A child weighing 8 kg is prescribed 5 mg/kg of a drug. The stock solution contains 10 mg/mL. Draw up the dose: what volume V do you give?

8 kg5 mg/kg10 mg/mL
V = mL
5.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 380 micrograms. The ampoule contains 2 mg/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

380 mcg2 mg/mL
V = mL
6.Hard
26 kg114 cmBSA = √(h·w/3600)25 mg/m²D = ? mg

A patient is 114 cm tall and weighs 26 kg. The prescription is 25 mg/m². Using the Mosteller formula BSA = √(height (cm) × weight (kg)/3600), find the dose D in mg.

114 cm26 kg25 mg/m²
D = mg

Answer key

  1. 1. N = 80 tablets
  2. 2. n = 1.5 tablets
  3. 3. V = 8.8 mL
  4. 4. V = 4 mL
  5. 5. V = 0.19 mL
  6. 6. D = 22.68 mg

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