Nursing math & unit conversions worksheet with answers

Free printable Nursing math & unit conversions 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
240 mL? cups1 cup = 8 fl oz = 240 mL

Practice exercise (made-up values, not clinical guidance). Convert 240 mL to cups, using 1 cup = 8 fl oz = 240 mL: how many n? Real liquid doses are always measured in mL, with an oral syringe or a marked medicine cup.

240 mL1 cup = 8 fl oz = 240 mL
n = cup
2.Easy
320 lb1 kg = 2.2 lbm = ? kg

Practice exercise (made-up values, not clinical guidance). A patient weighs 320 lb. Using 1 kg = 2.2 lb, find the weight m in kilograms. Round to one decimal place.

320 lb1 kg = 2.2 lb
m = kg
3.Medium
12345678910111200:55?11:55 AM12:55 PM2:55 AM12:55 AM

Practice exercise (made-up values, not clinical guidance). A dose is charted at 00:55 (24-hour clock). Which entry is the same time on the 12-hour clock? Click it.

00:55
  1. 111:55 AM
  2. 212:55 PM
  3. 32:55 AM
  4. 412:55 AM
4.Medium
1234567891011129:40 AM?10:4008:4021:4009:40

Practice exercise (made-up values, not clinical guidance). A dose is charted at 9:40 AM. Which entry is the same time on the 24-hour clock? Click it.

9:40 AM
  1. 110:40
  2. 208:40
  3. 321:40
  4. 409:40
5.Hard
80 mL/h? L/day1 day = 24 h1 L = 1000 mL

Practice exercise (made-up values, not clinical guidance). A maintenance infusion runs at 80 mL/h without a break. How many litres V does it deliver in 24 hours?

80 mL/h24 h
V = L
6.Hard
00:0018:3001:10t = ?

Practice exercise (made-up values, not clinical guidance). An infusion starts at 18:30 and finishes at 01:10 the next morning (24-hour clock). How many hours t did it run? Give the answer in hours as a decimal, rounded to two decimal places.

18:3001:10
t = h

Answer key

  1. 1. n = 1 cup
  2. 2. m = 145.5 kg
  3. 3. 12:55 AM
  4. 4. 09:40
  5. 5. V = 1.92 L
  6. 6. t = 6.67 h

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