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.

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Name: ____________________   Date: ____________

1.Easy
0123455 mL

The prescription is 12.5 mg. The stock solution contains 125 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

12.5 mg125 mg/5 mL
V = mL
2.Easy
? × 50 mg

A patient is prescribed 50 mg of a drug 2 times a day for 10 days. The tablets contain 50 mg each. How many tablets N are needed for the whole course?

50 mg2× per day10 days50 mg/tablet
N = tablets
3.Medium
024681010 mL

A child weighing 14 kg is prescribed 5 mg/kg of a drug. The stock solution contains 25 mg/mL. Draw up the dose: what volume V do you give?

14 kg5 mg/kg25 mg/mL
V = mL
4.Medium
15 kg25 mg/kgD = ? mg

A patient weighs 15 kg and is prescribed 25 mg/kg as a single dose. Find the dose D in mg.

15 kg25 mg/kg
D = mg
5.Hard
70 kg190 cmBSA = √(h·w/3600)250 mg/m²D = ? mg

A patient is 190 cm tall and weighs 70 kg. The prescription is 250 mg/m². Using the Mosteller formula BSA = √(height (cm) × weight (kg)/3600), find the dose D in mg.

190 cm70 kg250 mg/m²
D = mg
6.Hard
125 mg/5 mLV = ? mL

A child weighing 24 kg is prescribed 5 mg/kg per dose of an oral suspension that contains 125 mg in 5 mL. What volume V do you give?

24 kg5 mg/kg125 mg/5 mL
V = mL

Answer key

  1. 1. V = 0.5 mL
  2. 2. N = 20 tablets
  3. 3. V = 2.8 mL
  4. 4. D = 375 mg
  5. 5. D = 480.5 mg
  6. 6. V = 4.8 mL

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