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
? × 0.25 mg

The prescription is 375 micrograms (mcg) of a drug. The tablets contain 0.25 mg each. How many tablets n do you give? The tablets are scored, so they can be broken in half.

375 mcg0.25 mg/tablet
n = tablets
2.Easy
0123455 mL

The prescription is 92.5 mg. The stock solution contains 125 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

92.5 mg125 mg/5 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
90 kg7.5 mg/kg/day4× per dayD = ? mg

A patient weighs 90 kg. The prescribed dose is 7.5 mg/kg per day, given in 4 equal doses. How many milligrams D are given per dose?

90 kg7.5 mg/kg/day4× per day
D = mg
5.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 2.64 mg. The ampoule contains 4000 micrograms per mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

2.64 mg4000 mcg/mL
V = mL
6.Hard
40 mg/1 mLV = ? mL

A child weighing 28 kg is prescribed 20 mg/kg per dose of an oral suspension that contains 40 mg in 1 mL. What volume V do you give?

28 kg20 mg/kg40 mg/1 mL
V = mL

Answer key

  1. 1. n = 1.5 tablets
  2. 2. V = 3.7 mL
  3. 3. V = 10 mL
  4. 4. D = 168.8 mg
  5. 5. V = 0.66 mL
  6. 6. V = 14 mL

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