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
? × 1 mg

The prescription is 500 micrograms (mcg) of a drug. The tablets contain 1 mg each. How many tablets n do you give? The tablets are scored, so they can be broken in half.

500 mcg1 mg/tablet
n = tablets
2.Easy
0123455 mL

The prescription is 80 mg. The stock solution contains 125 mg in 5 mL. Draw up the dose in the syringe: what volume V do you give?

80 mg125 mg/5 mL
V = mL
3.Medium
22 kg25 mg/kgD = ? mg

A patient weighs 22 kg and is prescribed 25 mg/kg as a single dose. Find the dose D in mg.

22 kg25 mg/kg
D = mg
4.Medium
10%2 mLm = ? mg

How many milligrams of drug m are in 2 mL of a 10% (w/v) solution?

10% w/v2 mL
m = mg
5.Hard
200 mg/5 mLV = ? mL

A child weighing 14 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?

14 kg20 mg/kg200 mg/5 mL
V = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 1800 micrograms. The ampoule contains 2 mg/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

1800 mcg2 mg/mL
V = mL

Answer key

  1. 1. n = 0.5 tablets
  2. 2. V = 3.2 mL
  3. 3. D = 550 mg
  4. 4. m = 200 mg
  5. 5. V = 7 mL
  6. 6. V = 0.9 mL

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