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
3 cups? mL1 cup = 8 fl oz = 240 mL

Practice exercise (made-up values, not clinical guidance). Convert 3 cups to millilitres, using 1 cup = 8 fl oz = 240 mL. Find V.

3 cups1 cup = 8 fl oz = 240 mL
V = mL
2.Easy
kg× 1000g× 1000mg× 1000mcg0.75 g?

Practice exercise (made-up values, not clinical guidance). Convert 0.75 g to mg: find x.

0.75 g1 g = 1000 mg
x = mg
3.Medium
0.23013 mL? mLround to 0.01 mL

Practice exercise (made-up values, not clinical guidance). A dose calculation for a small injection gives 0.23013 mL. The rule in this exercise is that volumes below 1 mL are rounded to the nearest hundredth of a mL. What value x do you record?

0.23013 mL
x = mL
4.Medium
12345678910111200:05?11:05 AM2:05 AM12:05 AM12:05 PM

Practice exercise (made-up values, not clinical guidance). A dose is charted at 00:05 (24-hour clock). Which entry is the same time on the 12-hour clock? Click it.

00:05
  1. 111:05 AM
  2. 22:05 AM
  3. 312:05 AM
  4. 412:05 PM
5.Hard
3 cups? mL4 tbsp? mL2½ tsp? mL1½ fl oz? mLΣ = ? mL

Practice exercise (made-up values, not clinical guidance). During a shift a patient takes 3 cups of tea, 4 tbsp of liquid supplement, 2½ tsp of cough syrup, 1½ fl oz of juice. Using the equivalents given, find the total oral intake V in mL.

1 cup = 8 fl oz = 240 mL1 tbsp = 15 mL1 tsp = 5 mL1 fl oz = 30 mL
V = mL
6.Hard
15 mcg/min? mg/h1 h = 60 min1 mg = 1000 mcg

Practice exercise (made-up values, not clinical guidance). An infusion delivers 15 mcg/min. Express this dose rate D in mg/h.

15 mcg/min1 h = 60 min1 mg = 1000 mcg
D = mg/h

Answer key

  1. 1. V = 720 mL
  2. 2. x = 750 mg
  3. 3. x = 0.23 mL
  4. 4. 12:05 AM
  5. 5. V = 837.5 mL
  6. 6. D = 0.9 mg/h

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