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 90 mg. The stock solution contains 100 mg in 2 mL. Draw up the dose in the syringe: what volume V do you give?

90 mg100 mg/2 mL
V = mL
2.Easy
? × 500 mcg

The prescription is 1.5 mg of a drug. The tablets contain 500 micrograms (mcg) each. How many tablets n do you give?

1.5 mg500 mcg/tablet
n = tablets
3.Medium
25 kg20 mg/kg/day2× per dayD = ? mg

A patient weighs 25 kg. The prescribed dose is 20 mg/kg per day, given in 2 equal doses. How many milligrams D are given per dose?

25 kg20 mg/kg/day2× per day
D = mg
4.Medium
30 kg7.5 mg/kgD = ? mg

A patient weighs 30 kg and is prescribed 7.5 mg/kg as a single dose. Find the dose D in mg.

30 kg7.5 mg/kg
D = mg
5.Hard
40 mg/1 mLV = ? mL

A child weighing 18 kg is prescribed 15 mg/kg per dose of an oral suspension that contains 40 mg in 1 mL. What volume V do you give? Round to one decimal place.

18 kg15 mg/kg40 mg/1 mL
V = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 790 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?

790 units1000 units/mL
V = mL

Answer key

  1. 1. V = 1.8 mL
  2. 2. n = 3 tablets
  3. 3. D = 250 mg
  4. 4. D = 225 mg
  5. 5. V = 6.8 mL
  6. 6. V = 0.79 mL

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