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 235 mg. The stock solution contains 250 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

235 mg250 mg/5 mL
V = mL
2.Easy
? × 20 mg

A patient is prescribed 30 mg of a drug. The tablets on the ward contain 20 mg each. How many tablets n do you give? The tablets are scored, so they can be broken in half.

30 mg20 mg/tablet
n = tablets
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 21 kg is prescribed 10 mg/kg of a drug. The stock solution contains 50 mg/mL. Draw up the dose: what volume V do you give?

21 kg10 mg/kg50 mg/mL
V = mL
5.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 500 units of a drug that comes as 5000 units/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

500 units5000 units/mL
V = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 1880 micrograms. The ampoule contains 4 mg/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

1880 mcg4 mg/mL
V = mL

Answer key

  1. 1. V = 4.7 mL
  2. 2. n = 1.5 tablets
  3. 3. D = 675 mg
  4. 4. V = 4.2 mL
  5. 5. V = 0.1 mL
  6. 6. V = 0.47 mL

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