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 mcg/1 mLV = ? mL

The prescription is 0.25 mg by injection. The ampoule is labelled 500 micrograms per mL. What volume V do you draw up?

0.25 mg500 mcg/mL
V = mL
2.Easy
0123455 mL

The prescription is 28 mg. The stock solution contains 200 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

28 mg200 mg/5 mL
V = mL
3.Medium
5%w/vV = ? mL

A dose of 150 mg is needed from a 5% (w/v) solution. What volume V contains this dose?

150 mg5% w/v
V = mL
4.Medium
1:1000ampouleV = ? mL

An ampoule of epinephrine (adrenaline) is labelled 1:1000 (1 mg/mL). The prescription is 0.3 mg IM for anaphylaxis. What volume V do you draw up?

1:10000.3 mg
V = mL
5.Hard
20%stockV₁ = ? mL

You must prepare 500 mL of a 5% (w/v) solution from a 20% (w/v) stock solution. What volume of stock V₁ do you need?

C₁ = 20%C₂ = 5%V₂ = 500 mL
V₁ = mL
6.Hard
50%stockwater = ? mL

You must prepare 1000 mL of a 2% (w/v) solution from a 50% (w/v) stock solution. How much water W must be added to the stock?

C₁ = 50%C₂ = 2%V₂ = 1000 mL
W = mL

Answer key

  1. 1. V = 0.5 mL
  2. 2. V = 0.7 mL
  3. 3. V = 3 mL
  4. 4. V = 0.3 mL
  5. 5. V₁ = 125 mL
  6. 6. W = 960 mL

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