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
50 mg/1 mLV = ? mL

The prescription is 60 mg. The stock solution contains 50 mg in 1 mL. What volume V do you draw up?

60 mg50 mg/1 mL
V = mL
2.Easy
100 mg/1 mLV = ? mL

The prescription is 0.4 g of a drug intravenously. The reconstituted vial contains 100 mg per mL. What volume V do you draw up?

0.4 g100 mg/mL
V = mL
3.Medium
024681010 mL

A child weighing 28 kg is prescribed 5 mg/kg of a drug. The stock solution contains 50 mg/mL. Draw up the dose: what volume V do you give?

28 kg5 mg/kg50 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 150 mg. What volume V of the reconstituted solution do you give?

2 g+ 7.4 mL → 8 mL150 mg
V = mL
5.Hard
40k units1000 mL? mL/h1000 units/h

An infusion contains 40000 units of a drug in 1000 mL. The prescription is 1000 units per hour. At what rate R do you set the pump, in mL/h?

40000 units/1000 mL1000 units/h
R = mL/h
6.Hard
40k units1000 mL? mL/h1500 units/h

An infusion contains 40000 units of a drug in 1000 mL. The prescription is 1500 units per hour. At what rate R do you set the pump, in mL/h?

40000 units/1000 mL1500 units/h
R = mL/h

Answer key

  1. 1. V = 1.2 mL
  2. 2. V = 4 mL
  3. 3. V = 2.8 mL
  4. 4. V = 0.6 mL
  5. 5. R = 25 mL/h
  6. 6. R = 37.5 mL/h

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