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

70 mg125 mg/5 mL
V = mL
2.Easy
125 mg/5 mLV = ? mL

The prescription is 62.5 mg. The stock solution contains 125 mg in 5 mL. What volume V do you draw up?

62.5 mg125 mg/5 mL
V = mL
3.Medium
2%w/vV = ? mL

A dose of 50 mg is needed from a 2% (w/v) solution. What volume V contains this dose?

50 mg2% w/v
V = mL
4.Medium
18 kgBSA = 0.83 m²375 mg/m²D = ? mg

A patient weighing 18 kg has a body surface area of 0.83 m². The prescription is 375 mg/m². Find the dose D in mg.

18 kgBSA = 0.83 m²375 mg/m²
D = mg
5.Hard
20k units250 mL? mL/h1500 units/h

An infusion contains 20000 units of a drug in 250 mL. The prescription is 1500 units per hour. At what rate R do you set the pump, in mL/h?

20000 units/250 mL1500 units/h
R = mL/h
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 0.77 mg. The ampoule contains 1000 micrograms per mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

0.77 mg1000 mcg/mL
V = mL

Answer key

  1. 1. V = 2.8 mL
  2. 2. V = 2.5 mL
  3. 3. V = 2.5 mL
  4. 4. D = 311.3 mg
  5. 5. R = 18.75 mL/h
  6. 6. V = 0.77 mL

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