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 mg/10 mLV = ? mL

The prescription is 250 mg. The stock solution contains 500 mg in 10 mL. What volume V do you draw up?

250 mg500 mg/10 mL
V = mL
2.Easy
? × 5 mg

A patient is prescribed 12.5 mg of a drug. The tablets on the ward contain 5 mg each. How many tablets n do you give? The tablets are scored, so they can be broken in half.

12.5 mg5 mg/tablet
n = tablets
3.Medium
70 kg10 mg/kgD = ? mg

A patient weighs 70 kg and is prescribed 10 mg/kg as a single dose. Find the dose D in mg.

70 kg10 mg/kg
D = mg
4.Medium
30 kg5 mg/kg/day3× per dayD = ? mg

A patient weighs 30 kg. The prescribed dose is 5 mg/kg per day, given in 3 equal doses. How many milligrams D are given per dose?

30 kg5 mg/kg/day3× per day
D = mg
5.Hard
51 kg156 cmBSA = √(h·w/3600)175 mg/m²D = ? mg

A patient is 156 cm tall and weighs 51 kg. The prescription is 175 mg/m². Using the Mosteller formula BSA = √(height (cm) × weight (kg)/3600), find the dose D in mg.

156 cm51 kg175 mg/m²
D = mg
6.Hard
25k units250 mL? mL/h1250 units/h

An infusion contains 25000 units of a drug in 250 mL. The prescription is 1250 units per hour. At what rate R do you set the pump, in mL/h?

25000 units/250 mL1250 units/h
R = mL/h

Answer key

  1. 1. V = 5 mL
  2. 2. n = 2.5 tablets
  3. 3. D = 700 mg
  4. 4. D = 50 mg
  5. 5. D = 260.2 mg
  6. 6. R = 12.5 mL/h

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