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

80 mg125 mg/5 mL
V = mL
2.Easy
0123455 mL

The prescription is 145 mg. The stock solution contains 50 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

145 mg50 mg/1 mL
V = mL
3.Medium
30 kg30 mg/kgD = ? mg

A patient weighs 30 kg and is prescribed 30 mg/kg as a single dose. Find the dose D in mg.

30 kg30 mg/kg
D = mg
4.Medium
20%w/vV = ? mL

A dose of 200 mg is needed from a 20% (w/v) solution. What volume V contains this dose?

200 mg20% w/v
V = mL
5.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 660 units of a drug that comes as 1000 units/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

660 units1000 units/mL
V = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 2600 units of a drug that comes as 10000 units/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

2600 units10000 units/mL
V = mL

Answer key

  1. 1. V = 3.2 mL
  2. 2. V = 2.9 mL
  3. 3. D = 900 mg
  4. 4. V = 1 mL
  5. 5. V = 0.66 mL
  6. 6. V = 0.26 mL

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