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
120 mL? fl oz1 fl oz = 30 mL

Practice exercise (made-up values, not clinical guidance). Convert 120 mL to fl oz, using 1 fl oz = 30 mL: how many n? Real liquid doses are always measured in mL, with an oral syringe or a marked medicine cup.

120 mL1 fl oz = 30 mL
n = fl oz
2.Easy
88.6 kg1 kg = 2.2 lbm = ? lb

Practice exercise (made-up values, not clinical guidance). A patient weighs 88.6 kg. Using 1 kg = 2.2 lb, find the weight m in pounds. Round to one decimal place.

88.6 kg1 kg = 2.2 lb
m = lb
3.Medium
7.9609 mL? mLround to 0.1 mL

Practice exercise (made-up values, not clinical guidance). A dose calculation for an injection gives 7.9609 mL. The rule in this exercise is that volumes of 1 mL or more are rounded to the nearest tenth of a mL. What value x do you record?

7.9609 mL
x = mL
4.Medium
12345678910111200:30?12:30 AM11:30 AM2:30 AM12:30 PM

Practice exercise (made-up values, not clinical guidance). A dose is charted at 00:30 (24-hour clock). Which entry is the same time on the 12-hour clock? Click it.

00:30
  1. 112:30 AM
  2. 211:30 AM
  3. 32:30 AM
  4. 412:30 PM
5.Hard
00:0017:0503:55t = ?

Practice exercise (made-up values, not clinical guidance). An infusion starts at 17:05 and finishes at 03:55 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.

17:0503:55
t = h
6.Hard
00:0022:2506:40t = ?

Practice exercise (made-up values, not clinical guidance). An infusion starts at 22:25 and finishes at 06:40 the next morning (24-hour clock). How many minutes t did it run?

22:2506:40
t = min

Answer key

  1. 1. n = 4 fl oz
  2. 2. m = 194.9 lb
  3. 3. x = 8 mL
  4. 4. 12:30 AM
  5. 5. t = 10.83 h
  6. 6. t = 495 min

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