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
100 mcg/1 mLV = ? mL

The prescription is 0.05 mg by injection. The ampoule is labelled 100 micrograms per mL. What volume V do you draw up?

0.05 mg100 mcg/mL
V = mL
2.Easy
? × 20 mg

A patient is prescribed 40 mg of a drug 2 times a day for 5 days. The tablets contain 20 mg each. How many tablets N are needed for the whole course?

40 mg2× per day5 days20 mg/tablet
N = tablets
3.Medium
80 kg10 mg/kg/day4× per dayD = ? mg

A patient weighs 80 kg. The prescribed dose is 10 mg/kg per day, given in 4 equal doses. How many milligrams D are given per dose?

80 kg10 mg/kg/day4× per day
D = mg
4.Medium
024681010 mL

A child weighing 17 kg is prescribed 10 mg/kg of a drug. The stock solution contains 25 mg/mL. Draw up the dose: what volume V do you give?

17 kg10 mg/kg25 mg/mL
V = mL
5.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 890 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?

890 units1000 units/mL
V = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 1140 micrograms. The ampoule contains 2 mg/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

1140 mcg2 mg/mL
V = mL

Answer key

  1. 1. V = 0.5 mL
  2. 2. N = 20 tablets
  3. 3. D = 200 mg
  4. 4. V = 6.8 mL
  5. 5. V = 0.89 mL
  6. 6. V = 0.57 mL

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