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 230 mg. The stock solution contains 50 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

230 mg50 mg/1 mL
V = mL
2.Easy
50 mg/1 mLV = ? mL

The prescription is 0.5 g of a drug intravenously. The reconstituted vial contains 50 mg per mL. What volume V do you draw up?

0.5 g50 mg/mL
V = mL
3.Medium
1:10 000ampouleV = ? mL

A prefilled syringe of epinephrine (adrenaline) is labelled 1:10 000 (0.1 mg/mL). The prescription is 1 mg IV in cardiac arrest. What volume V do you give?

1:10 0001 mg
V = mL
4.Medium
024681010 mL

A child weighing 14 kg is prescribed 4 mg/kg of a drug. The stock solution contains 20 mg/mL. Draw up the dose: what volume V do you give?

14 kg4 mg/kg20 mg/mL
V = mL
5.Hard
50 mg/1 mLV = ? mL

A patient weighs 66 lb. The prescription is 5 mg/kg as a single dose, and the stock contains 50 mg in 1 mL. Using 1 kg = 2.2 lb, what volume V do you give?

66 lb5 mg/kg50 mg/1 mL1 kg = 2.2 lb
V = mL
6.Hard
50%stockV₁ = ? mL

You must prepare 250 mL of a 2.5% (w/v) solution from a 50% (w/v) stock solution. What volume of stock V₁ do you need?

C₁ = 50%C₂ = 2.5%V₂ = 250 mL
V₁ = mL

Answer key

  1. 1. V = 4.6 mL
  2. 2. V = 10 mL
  3. 3. V = 10 mL
  4. 4. V = 2.8 mL
  5. 5. V = 3 mL
  6. 6. V₁ = 12.5 mL

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