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 0.4 g of a drug intravenously. The reconstituted vial contains 50 mg per mL. What volume V do you draw up?

0.4 g50 mg/mL
V = mL
2.Easy
0123455 mL

The prescription is 20 mg. The stock solution contains 25 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

20 mg25 mg/1 mL
V = mL
3.Medium
45 kg30 mg/kg/day2× per dayD = ? mg

A patient weighs 45 kg. The prescribed dose is 30 mg/kg per day, given in 2 equal doses. How many milligrams D are given per dose?

45 kg30 mg/kg/day2× per day
D = mg
4.Medium
40 kgBSA = 1.14 m²135 mg/m²D = ? mg

A patient weighing 40 kg has a body surface area of 1.14 m². The prescription is 135 mg/m². Find the dose D in mg.

40 kgBSA = 1.14 m²135 mg/m²
D = mg
5.Hard
25%stockwater = ? mL

You must prepare 100 mL of a 0.5% (w/v) solution from a 25% (w/v) stock solution. How much water W must be added to the stock?

C₁ = 25%C₂ = 0.5%V₂ = 100 mL
W = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 1.4 mg. The ampoule contains 2000 micrograms per mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

1.4 mg2000 mcg/mL
V = mL

Answer key

  1. 1. V = 8 mL
  2. 2. V = 0.8 mL
  3. 3. D = 675 mg
  4. 4. D = 153.9 mg
  5. 5. W = 98 mL
  6. 6. V = 0.7 mL

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