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
? × 100 mg

A patient is prescribed 100 mg of a drug 2 times a day for 14 days. The tablets contain 100 mg each. How many tablets N are needed for the whole course?

100 mg2× per day14 days100 mg/tablet
N = tablets
2.Easy
? × 125 mg

A patient is prescribed 125 mg of a drug. The tablets on the ward contain 125 mg each. How many tablets n do you give?

125 mg125 mg/tablet
n = tablets
3.Medium
1 g+ 9.6 mLV = ? mL

A vial contains 1 g of powder. The label says: add 9.6 mL of water for injection to give a total volume of 10 mL. The prescription is 40 mg. What volume V of the reconstituted solution do you give?

1 g+ 9.6 mL → 10 mL40 mg
V = mL
4.Medium
105 kgBSA = 1.99 m²135 mg/m²D = ? mg

A patient weighing 105 kg has a body surface area of 1.99 m². The prescription is 135 mg/m². Find the dose D in mg.

105 kgBSA = 1.99 m²135 mg/m²
D = mg
5.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 3650 units of a drug that comes as 5000 units/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

3650 units5000 units/mL
V = mL
6.Hard
120 mg/5 mLV = ? mL

A child weighing 8 kg is prescribed 10 mg/kg per dose of an oral suspension that contains 120 mg in 5 mL. What volume V do you give? Round to one decimal place.

8 kg10 mg/kg120 mg/5 mL
V = mL

Answer key

  1. 1. N = 28 tablets
  2. 2. n = 1 tablets
  3. 3. V = 0.4 mL
  4. 4. D = 268.6 mg
  5. 5. V = 0.73 mL
  6. 6. V = 3.3 mL

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