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
? × 1 mg

The prescription is 3000 micrograms (mcg) of a drug. The tablets contain 1 mg each. How many tablets n do you give?

3000 mcg1 mg/tablet
n = tablets
2.Easy
? × 25 mg

A patient is prescribed 25 mg of a drug 2 times a day for 14 days. The tablets contain 25 mg each. How many tablets N are needed for the whole course?

25 mg2× per day14 days25 mg/tablet
N = tablets
3.Medium
024681010 mL

A child weighing 20 kg is prescribed 2 mg/kg of a drug. The stock solution contains 20 mg/mL. Draw up the dose: what volume V do you give?

20 kg2 mg/kg20 mg/mL
V = mL
4.Medium
22 kg10 mg/kg/day2× per dayD = ? mg

A patient weighs 22 kg. The prescribed dose is 10 mg/kg per day, given in 2 equal doses. How many milligrams D are given per dose?

22 kg10 mg/kg/day2× per day
D = mg
5.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 1080 micrograms. The ampoule contains 4 mg/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

1080 mcg4 mg/mL
V = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 860 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?

860 units1000 units/mL
V = mL

Answer key

  1. 1. n = 3 tablets
  2. 2. N = 28 tablets
  3. 3. V = 2 mL
  4. 4. D = 110 mg
  5. 5. V = 0.27 mL
  6. 6. V = 0.86 mL

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