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
200 mg/5 mLV = ? mL

The prescription is 160 mg. The stock solution contains 200 mg in 5 mL. What volume V do you draw up?

160 mg200 mg/5 mL
V = mL
2.Easy
0123455 mL

The prescription is 15 mg. The stock solution contains 125 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

15 mg125 mg/5 mL
V = mL
3.Medium
024681010 mL

A child weighing 32 kg is prescribed 3 mg/kg of a drug. The stock solution contains 20 mg/mL. Draw up the dose: what volume V do you give?

32 kg3 mg/kg20 mg/mL
V = mL
4.Medium
12 kg25 mg/kgD = ? mg

A patient weighs 12 kg and is prescribed 25 mg/kg as a single dose. Find the dose D in mg.

12 kg25 mg/kg
D = mg
5.Hard
250 mg/5 mLV = ? mL

A patient weighs 176 lb. The prescription is 1 mg/kg as a single dose, and the stock contains 250 mg in 5 mL. Using 1 kg = 2.2 lb, what volume V do you give?

176 lb1 mg/kg250 mg/5 mL1 kg = 2.2 lb
V = mL
6.Hard
10 mg/1 mLV = ? mL

A patient weighs 77 lb. The prescription is 0.5 mg/kg as a single dose, and the stock contains 10 mg in 1 mL. Using 1 kg = 2.2 lb, what volume V do you give? Round to one decimal place.

77 lb0.5 mg/kg10 mg/1 mL1 kg = 2.2 lb
V = mL

Answer key

  1. 1. V = 4 mL
  2. 2. V = 0.6 mL
  3. 3. V = 4.8 mL
  4. 4. D = 300 mg
  5. 5. V = 1.6 mL
  6. 6. V = 1.8 mL

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