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 135 mg. The stock solution contains 50 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

135 mg50 mg/1 mL
V = mL
2.Easy
0123455 mL

The prescription is 205 mg. The stock solution contains 50 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

205 mg50 mg/1 mL
V = mL
3.Medium
60 kg2 mg/kg/day3× per dayD = ? mg

A patient weighs 60 kg. The prescribed dose is 2 mg/kg per day, given in 3 equal doses. How many milligrams D are given per dose?

60 kg2 mg/kg/day3× per day
D = mg
4.Medium
30 kg30 mg/kgD = ? mg

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

30 kg30 mg/kg
D = mg
5.Hard
250 mg/5 mLV = ? mL

A patient weighs 118.8 lb. The prescription is 15 mg/kg as a single dose, and the stock contains 250 mg in 5 mL. Using 1 kg = 2.2 lb, what volume V do you give?

118.8 lb15 mg/kg250 mg/5 mL1 kg = 2.2 lb
V = mL
6.Hard
10 mg/1 mLV = ? mL

A patient weighs 79.2 lb. The prescription is 0.5 mg/kg as a single dose, and the stock contains 10 mg in 1 mL. Using 1 kg = 2.2 lb, what volume V do you give?

79.2 lb0.5 mg/kg10 mg/1 mL1 kg = 2.2 lb
V = mL

Answer key

  1. 1. V = 2.7 mL
  2. 2. V = 4.1 mL
  3. 3. D = 40 mg
  4. 4. D = 900 mg
  5. 5. V = 16.2 mL
  6. 6. V = 1.8 mL

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