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
10 mg/1 mLV = ? mL

The prescription is 7.5 mg. The stock solution contains 10 mg in 1 mL. What volume V do you draw up?

7.5 mg10 mg/1 mL
V = mL
2.Easy
0123455 mL

The prescription is 176 mg. The stock solution contains 200 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

176 mg200 mg/5 mL
V = mL
3.Medium
90 kg30 mg/kg/day4× per dayD = ? mg

A patient weighs 90 kg. The prescribed dose is 30 mg/kg per day, given in 4 equal doses. How many milligrams D are given per dose?

90 kg30 mg/kg/day4× per day
D = mg
4.Medium
024681010 mL

A child weighing 40 kg is prescribed 4 mg/kg of a drug. The stock solution contains 40 mg/mL. Draw up the dose: what volume V do you give?

40 kg4 mg/kg40 mg/mL
V = mL
5.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 315 micrograms. The ampoule contains 0.5 mg/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

315 mcg0.5 mg/mL
V = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 4500 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?

4500 units10000 units/mL
V = mL

Answer key

  1. 1. V = 0.75 mL
  2. 2. V = 4.4 mL
  3. 3. D = 675 mg
  4. 4. V = 4 mL
  5. 5. V = 0.63 mL
  6. 6. V = 0.45 mL

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