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
L× 1000mL250 mL?

Practice exercise (made-up values, not clinical guidance). Convert 250 mL to L: find x.

250 mL1 L = 1000 mL
x = L
2.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
3.Medium
1234567891011124:25 PM?16:2517:2504:2515:25

Practice exercise (made-up values, not clinical guidance). A dose is charted at 4:25 PM. Which entry is the same time on the 24-hour clock? Click it.

4:25 PM
  1. 116:25
  2. 217:25
  3. 304:25
  4. 415:25
4.Medium
1234567891011129:40 AM?08:4009:4021:4010:40

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. 108:40
  2. 209:40
  3. 321:40
  4. 410:40
5.Hard
10 mg/h? mcg/min1 mg = 1000 mcg1 h = 60 min

Practice exercise (made-up values, not clinical guidance). An infusion delivers 10 mg/h. Express this dose rate D in mcg/min. Round to one decimal place.

10 mg/h1 mg = 1000 mcg1 h = 60 min
D = mcg/min
6.Hard
00:0020:3505:40t = ?

Practice exercise (made-up values, not clinical guidance). An infusion starts at 20:35 and finishes at 05:40 the next morning (24-hour clock). How many minutes t did it run?

20:3505:40
t = min

Answer key

  1. 1. x = 0.25 L
  2. 2. n = 1 cup
  3. 3. 16:25
  4. 4. 09:40
  5. 5. D = 166.7 mcg/min
  6. 6. t = 545 min

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