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
kg× 1000g× 1000mg× 1000mcg1.5 g?

Practice exercise (made-up values, not clinical guidance). Convert 1.5 g to mg: find x.

1.5 g1 g = 1000 mg
x = mg
2.Easy
L× 1000mL1800 mL?

Practice exercise (made-up values, not clinical guidance). Convert 1800 mL to L: find x.

1800 mL1 L = 1000 mL
x = L
3.Medium
12345678910111203:05?3:05 PM5:05 AM3:05 AM2:05 AM

Practice exercise (made-up values, not clinical guidance). A dose is charted at 03:05 (24-hour clock). Which entry is the same time on the 12-hour clock? Click it.

03:05
  1. 13:05 PM
  2. 25:05 AM
  3. 33:05 AM
  4. 42:05 AM
4.Medium
12345678910111222:30?12:30 PM10:30 PM10:30 AM9:30 PM

Practice exercise (made-up values, not clinical guidance). A dose is charted at 22:30 (24-hour clock). Which entry is the same time on the 12-hour clock? Click it.

22:30
  1. 112:30 PM
  2. 210:30 PM
  3. 310:30 AM
  4. 49:30 PM
5.Hard
5 mg/h? mcg/min1 mg = 1000 mcg1 h = 60 min

Practice exercise (made-up values, not clinical guidance). An infusion delivers 5 mg/h. Express this dose rate D in mcg/min. Round to one decimal place.

5 mg/h1 mg = 1000 mcg1 h = 60 min
D = mcg/min
6.Hard
00:0020:3005:45t = ?

Practice exercise (made-up values, not clinical guidance). An infusion starts at 20:30 and finishes at 05:45 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.

20:3005:45
t = h

Answer key

  1. 1. x = 1500 mg
  2. 2. x = 1.8 L
  3. 3. 3:05 AM
  4. 4. 10:30 PM
  5. 5. D = 83.3 mcg/min
  6. 6. t = 9.25 h

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