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
40 mg/1 mLV = ? mL

The prescription is 16 mg. The stock solution contains 40 mg in 1 mL. What volume V do you draw up?

16 mg40 mg/1 mL
V = mL
2.Easy
0123455 mL

The prescription is 125 mg. The stock solution contains 250 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

125 mg250 mg/5 mL
V = mL
3.Medium
45 kg20 mg/kg/day3× per dayD = ? mg

A patient weighs 45 kg. The prescribed dose is 20 mg/kg per day, given in 3 equal doses. How many milligrams D are given per dose?

45 kg20 mg/kg/day3× per day
D = mg
4.Medium
45 kg2 mg/kgD = ? mg

A patient weighs 45 kg and is prescribed 2 mg/kg as a single dose. Find the dose D in mg.

45 kg2 mg/kg
D = mg
5.Hard
200 mg/5 mLV = ? mL

A child weighing 10 kg is prescribed 5 mg/kg per dose of an oral suspension that contains 200 mg in 5 mL. What volume V do you give? Round to one decimal place.

10 kg5 mg/kg200 mg/5 mL
V = mL
6.Hard
100 mg/5 mLV = ? mL

A child weighing 20 kg is prescribed 5 mg/kg per dose of an oral suspension that contains 100 mg in 5 mL. What volume V do you give?

20 kg5 mg/kg100 mg/5 mL
V = mL

Answer key

  1. 1. V = 0.4 mL
  2. 2. V = 2.5 mL
  3. 3. D = 300 mg
  4. 4. D = 90 mg
  5. 5. V = 1.3 mL
  6. 6. V = 5 mL

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