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
100 mg/5 mLV = ? mL

The prescription is 60 mg. The stock solution contains 100 mg in 5 mL. What volume V do you draw up?

60 mg100 mg/5 mL
V = mL
2.Easy
0123455 mL

The prescription is 40 mg. The stock solution contains 50 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

40 mg50 mg/1 mL
V = mL
3.Medium
18 kg7.5 mg/kg/day4× per dayD = ? mg

A patient weighs 18 kg. The prescribed dose is 7.5 mg/kg per day, given in 4 equal doses. How many milligrams D are given per dose?

18 kg7.5 mg/kg/day4× per day
D = mg
4.Medium
80 kg30 mg/kg/day2× per dayD = ? mg

A patient weighs 80 kg. The prescribed dose is 30 mg/kg per day, given in 2 equal doses. How many milligrams D are given per dose?

80 kg30 mg/kg/day2× per day
D = mg
5.Hard
50%stockwater = ? mL

You must prepare 200 mL of a 1% (w/v) solution from a 50% (w/v) stock solution. How much water W must be added to the stock?

C₁ = 50%C₂ = 1%V₂ = 200 mL
W = mL
6.Hard
37 kg125 cmBSA = √(h·w/3600)50 mg/m²D = ? mg

A patient is 125 cm tall and weighs 37 kg. The prescription is 50 mg/m². Using the Mosteller formula BSA = √(height (cm) × weight (kg)/3600), find the dose D in mg.

125 cm37 kg50 mg/m²
D = mg

Answer key

  1. 1. V = 3 mL
  2. 2. V = 0.8 mL
  3. 3. D = 33.75 mg
  4. 4. D = 1200 mg
  5. 5. W = 196 mL
  6. 6. D = 56.67 mg

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