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

A patient is prescribed 200 mg of a drug 2 times a day for 10 days. The tablets contain 100 mg each. How many tablets N are needed for the whole course?

200 mg2× per day10 days100 mg/tablet
N = tablets
2.Easy
0123455 mL

The prescription is 32.5 mg. The stock solution contains 25 mg in 1 mL. Draw up the dose in the syringe: what volume V do you give?

32.5 mg25 mg/1 mL
V = mL
3.Medium
024681010 mL

A child weighing 30 kg is prescribed 10 mg/kg of a drug. The stock solution contains 50 mg/mL. Draw up the dose: what volume V do you give?

30 kg10 mg/kg50 mg/mL
V = mL
4.Medium
024681010 mL

A child weighing 34 kg is prescribed 4 mg/kg of a drug. The stock solution contains 20 mg/mL. Draw up the dose: what volume V do you give?

34 kg4 mg/kg20 mg/mL
V = mL
5.Hard
120 mg/5 mLV = ? mL

A child weighing 24 kg is prescribed 15 mg/kg per dose of an oral suspension that contains 120 mg in 5 mL. What volume V do you give?

24 kg15 mg/kg120 mg/5 mL
V = mL
6.Hard
00.10.20.30.40.50.60.70.80.911 mL

The prescription is 1.68 mg. The ampoule contains 2000 micrograms per mL. Draw up the dose in the 1 mL syringe: what volume V do you give?

1.68 mg2000 mcg/mL
V = mL

Answer key

  1. 1. N = 40 tablets
  2. 2. V = 1.3 mL
  3. 3. V = 6 mL
  4. 4. V = 6.8 mL
  5. 5. V = 15 mL
  6. 6. V = 0.84 mL

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