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

70 mg125 mg/5 mL
V = mL
2.Easy
80 mg/2 mLV = ? mL

The prescription is 32 mg. The stock solution contains 80 mg in 2 mL. What volume V do you draw up?

32 mg80 mg/2 mL
V = mL
3.Medium
024681010 mL

A child weighing 30 kg is prescribed 3 mg/kg of a drug. The stock solution contains 10 mg/mL. Draw up the dose: what volume V do you give?

30 kg3 mg/kg10 mg/mL
V = mL
4.Medium
15 kg25 mg/kgD = ? mg

A patient weighs 15 kg and is prescribed 25 mg/kg as a single dose. Find the dose D in mg.

15 kg25 mg/kg
D = mg
5.Hard
25%stockV₁ = ? mL

You must prepare 200 mL of a 1% (w/v) solution from a 25% (w/v) stock solution. What volume of stock V₁ do you need?

C₁ = 25%C₂ = 1%V₂ = 200 mL
V₁ = mL
6.Hard
25%stockV₁ = ? mL

You must prepare 100 mL of a 5% (w/v) solution from a 25% (w/v) stock solution. What volume of stock V₁ do you need?

C₁ = 25%C₂ = 5%V₂ = 100 mL
V₁ = mL

Answer key

  1. 1. V = 2.8 mL
  2. 2. V = 0.8 mL
  3. 3. V = 9 mL
  4. 4. D = 375 mg
  5. 5. V₁ = 8 mL
  6. 6. V₁ = 20 mL

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