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
40 mg/1 mLV = ? mL

The prescription is 24 mg. The stock solution contains 40 mg in 1 mL. What volume V do you draw up?

24 mg40 mg/1 mL
V = mL
2.Easy
? × 25 mg

A patient is prescribed 50 mg of a drug 4 times a day for 7 days. The tablets contain 25 mg each. How many tablets N are needed for the whole course?

50 mg4× per day7 days25 mg/tablet
N = tablets
3.Medium
12 kg30 mg/kg/day3× per dayD = ? mg

A patient weighs 12 kg. The prescribed dose is 30 mg/kg per day, given in 3 equal doses. How many milligrams D are given per dose?

12 kg30 mg/kg/day3× per day
D = mg
4.Medium
34 kgBSA = 1.11 m²250 mg/m²D = ? mg

A patient weighing 34 kg has a body surface area of 1.11 m². The prescription is 250 mg/m². Find the dose D in mg.

34 kgBSA = 1.11 m²250 mg/m²
D = mg
5.Hard
125 mg/5 mLV = ? mL

A patient weighs 28.6 lb. The prescription is 15 mg/kg as a single dose, and the stock contains 125 mg in 5 mL. Using 1 kg = 2.2 lb, what volume V do you give?

28.6 lb15 mg/kg125 mg/5 mL1 kg = 2.2 lb
V = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 230 micrograms. The ampoule contains 1 mg/mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

230 mcg1 mg/mL
V = mL

Answer key

  1. 1. V = 0.6 mL
  2. 2. N = 56 tablets
  3. 3. D = 120 mg
  4. 4. D = 277.5 mg
  5. 5. V = 7.8 mL
  6. 6. V = 0.23 mL

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