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
? × 0.5 mg

The prescription is 1500 micrograms (mcg) of a drug. The tablets contain 0.5 mg each. How many tablets n do you give?

1500 mcg0.5 mg/tablet
n = tablets
2.Easy
? × 250 mg

A patient is prescribed 250 mg of a drug 3 times a day for 7 days. The tablets contain 250 mg each. How many tablets N are needed for the whole course?

250 mg3× per day7 days250 mg/tablet
N = tablets
3.Medium
22 kg15 mg/kg/day2× per dayD = ? mg

A patient weighs 22 kg. The prescribed dose is 15 mg/kg per day, given in 2 equal doses. How many milligrams D are given per dose?

22 kg15 mg/kg/day2× per day
D = mg
4.Medium
024681010 mL

A child weighing 40 kg is prescribed 2 mg/kg of a drug. The stock solution contains 40 mg/mL. Draw up the dose: what volume V do you give?

40 kg2 mg/kg40 mg/mL
V = mL
5.Hard
25k units250 mL? mL/h800 units/h

An infusion contains 25000 units of a drug in 250 mL. The prescription is 800 units per hour. At what rate R do you set the pump, in mL/h?

25000 units/250 mL800 units/h
R = mL/h
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 1.74 mg. The ampoule contains 2000 micrograms per mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

1.74 mg2000 mcg/mL
V = mL

Answer key

  1. 1. n = 3 tablets
  2. 2. N = 21 tablets
  3. 3. D = 165 mg
  4. 4. V = 2 mL
  5. 5. R = 8 mL/h
  6. 6. V = 0.87 mL

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