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

112 mg200 mg/5 mL
V = mL
2.Easy
500 mg/10 mLV = ? mL

The prescription is 300 mg. The stock solution contains 500 mg in 10 mL. What volume V do you draw up?

300 mg500 mg/10 mL
V = mL
3.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
4.Medium
5%w/vV = ? mL

A dose of 500 mg is needed from a 5% (w/v) solution. What volume V contains this dose?

500 mg5% w/v
V = mL
5.Hard
10%stockwater = ? mL

You must prepare 100 mL of a 1% (w/v) solution from a 10% (w/v) stock solution. How much water W must be added to the stock?

C₁ = 10%C₂ = 1%V₂ = 100 mL
W = mL
6.Hard
250 mg/5 mLV = ? mL

A patient weighs 145.2 lb. The prescription is 0.5 mg/kg as a single dose, and the stock contains 250 mg in 5 mL. Using 1 kg = 2.2 lb, what volume V do you give?

145.2 lb0.5 mg/kg250 mg/5 mL1 kg = 2.2 lb
V = mL

Answer key

  1. 1. V = 2.8 mL
  2. 2. V = 6 mL
  3. 3. V = 0.3 mL
  4. 4. V = 10 mL
  5. 5. W = 90 mL
  6. 6. V = 0.66 mL

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