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
? × 62.5 mcg

The prescription is 0.125 mg of a drug. The tablets contain 62.5 micrograms (mcg) each. How many tablets n do you give?

0.125 mg62.5 mcg/tablet
n = tablets
2.Easy
? × 20 mg

A patient is prescribed 10 mg of a drug. The tablets on the ward contain 20 mg each. How many tablets n do you give? The tablets are scored, so they can be broken in half.

10 mg20 mg/tablet
n = tablets
3.Medium
024681010 mL

A child weighing 13 kg is prescribed 10 mg/kg of a drug. The stock solution contains 25 mg/mL. Draw up the dose: what volume V do you give?

13 kg10 mg/kg25 mg/mL
V = mL
4.Medium
2 g+ 7.4 mLV = ? mL

A vial contains 2 g of powder. The label says: add 7.4 mL of water for injection to give a total volume of 8 mL. The prescription is 500 mg. What volume V of the reconstituted solution do you give?

2 g+ 7.4 mL → 8 mL500 mg
V = mL
5.Hard
100 mg/5 mLV = ? mL

A child weighing 18 kg is prescribed 20 mg/kg per dose of an oral suspension that contains 100 mg in 5 mL. What volume V do you give?

18 kg20 mg/kg100 mg/5 mL
V = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 0.6 mg. The ampoule contains 2000 micrograms per mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

0.6 mg2000 mcg/mL
V = mL

Answer key

  1. 1. n = 2 tablets
  2. 2. n = 0.5 tablets
  3. 3. V = 5.2 mL
  4. 4. V = 2 mL
  5. 5. V = 18 mL
  6. 6. V = 0.3 mL

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