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

210 mg50 mg/1 mL
V = mL
2.Easy
? × 10 mg

A patient is prescribed 5 mg of a drug. The tablets on the ward contain 10 mg each. How many tablets n do you give? The tablets are scored, so they can be broken in half.

5 mg10 mg/tablet
n = tablets
3.Medium
30 kg15 mg/kg/day3× per dayD = ? mg

A patient weighs 30 kg. The prescribed dose is 15 mg/kg per day, given in 3 equal doses. How many milligrams D are given per dose?

30 kg15 mg/kg/day3× per day
D = mg
4.Medium
22 kg5 mg/kg/day4× per dayD = ? mg

A patient weighs 22 kg. The prescribed dose is 5 mg/kg per day, given in 4 equal doses. How many milligrams D are given per dose?

22 kg5 mg/kg/day4× per day
D = mg
5.Hard
200 mg/5 mLV = ? mL

A child weighing 18 kg is prescribed 20 mg/kg per dose of an oral suspension that contains 200 mg in 5 mL. What volume V do you give?

18 kg20 mg/kg200 mg/5 mL
V = mL
6.Hard
200 mg/5 mLV = ? mL

A child weighing 28 kg is prescribed 20 mg/kg per dose of an oral suspension that contains 200 mg in 5 mL. What volume V do you give?

28 kg20 mg/kg200 mg/5 mL
V = mL

Answer key

  1. 1. V = 4.2 mL
  2. 2. n = 0.5 tablets
  3. 3. D = 150 mg
  4. 4. D = 27.5 mg
  5. 5. V = 9 mL
  6. 6. V = 14 mL

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