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
100 mg/1 mLV = ? mL

The prescription is 1 g of a drug intravenously. The reconstituted vial contains 100 mg per mL. What volume V do you draw up?

1 g100 mg/mL
V = mL
2.Easy
? × 50 mcg

The prescription is 0.15 mg of a drug. The tablets contain 50 micrograms (mcg) each. How many tablets n do you give?

0.15 mg50 mcg/tablet
n = tablets
3.Medium
30 kg2 mg/kg/day4× per dayD = ? mg

A patient weighs 30 kg. The prescribed dose is 2 mg/kg per day, given in 4 equal doses. How many milligrams D are given per dose?

30 kg2 mg/kg/day4× per day
D = mg
4.Medium
15 kg30 mg/kgD = ? mg

A patient weighs 15 kg and is prescribed 30 mg/kg as a single dose. Find the dose D in mg.

15 kg30 mg/kg
D = mg
5.Hard
50 mg/1 mLV = ? mL

A patient weighs 173.8 lb. The prescription is 2 mg/kg as a single dose, and the stock contains 50 mg in 1 mL. Using 1 kg = 2.2 lb, what volume V do you give? Round to one decimal place.

173.8 lb2 mg/kg50 mg/1 mL1 kg = 2.2 lb
V = mL
6.Hard
50k units1000 mL? mL/h1250 units/h

An infusion contains 50000 units of a drug in 1000 mL. The prescription is 1250 units per hour. At what rate R do you set the pump, in mL/h?

50000 units/1000 mL1250 units/h
R = mL/h

Answer key

  1. 1. V = 10 mL
  2. 2. n = 3 tablets
  3. 3. D = 15 mg
  4. 4. D = 450 mg
  5. 5. V = 3.2 mL
  6. 6. R = 25 mL/h

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