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 23 mg. The stock solution contains 10 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

23 mg10 mg/1 mL
V = mL
2.Easy
? × 25 mg

A patient is prescribed 75 mg of a drug. The tablets on the ward contain 25 mg each. How many tablets n do you give?

75 mg25 mg/tablet
n = tablets
3.Medium
45 kg7.5 mg/kgD = ? mg

A patient weighs 45 kg and is prescribed 7.5 mg/kg as a single dose. Find the dose D in mg.

45 kg7.5 mg/kg
D = mg
4.Medium
45 kg2 mg/kg/day2× per dayD = ? mg

A patient weighs 45 kg. The prescribed dose is 2 mg/kg per day, given in 2 equal doses. How many milligrams D are given per dose?

45 kg2 mg/kg/day2× per day
D = mg
5.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 480 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?

480 units1000 units/mL
V = mL
6.Hard
25k units1000 mL? mL/h1000 units/h

An infusion contains 25000 units of a drug in 1000 mL. The prescription is 1000 units per hour. At what rate R do you set the pump, in mL/h?

25000 units/1000 mL1000 units/h
R = mL/h

Answer key

  1. 1. V = 2.3 mL
  2. 2. n = 3 tablets
  3. 3. D = 337.5 mg
  4. 4. D = 45 mg
  5. 5. V = 0.48 mL
  6. 6. R = 40 mL/h

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