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
kg× 1000g× 1000mg× 1000mcg2.5 g?

Practice exercise (made-up values, not clinical guidance). Convert 2.5 g to mg: find x.

2.5 g1 g = 1000 mg
x = mg
3.Medium
0.42181 mL? mLround to 0.01 mL

Practice exercise (made-up values, not clinical guidance). A dose calculation for a small injection gives 0.42181 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?

0.42181 mL
x = mL
4.Medium
7 lb 9 oz? kg1 lb = 16 oz1 kg = 2.2 lb

Practice exercise (made-up values, not clinical guidance). A newborn weighs 7 lb 9 oz. Using 1 lb = 16 oz and 1 kg = 2.2 lb, find the weight m in kilograms. Round to two decimal places.

7 lb 9 oz1 lb = 16 oz1 kg = 2.2 lb
m = kg
5.Hard
50 mcg/min? mg/h1 h = 60 min1 mg = 1000 mcg

Practice exercise (made-up values, not clinical guidance). An infusion delivers 50 mcg/min. Express this dose rate D in mg/h.

50 mcg/min1 h = 60 min1 mg = 1000 mcg
D = mg/h
6.Hard
15.6 mmol/L? mg/dL1 mmol/L = 18 mg/dL

Practice exercise (made-up values, not clinical guidance). A blood glucose result is 15.6 mmol/L. Using 1 mmol/L = 18 mg/dL for glucose, find c in mg/dL to the nearest whole number.

15.6 mmol/L1 mmol/L = 18 mg/dL
c = mg/dL

Answer key

  1. 1. x = 0.25 L
  2. 2. x = 2500 mg
  3. 3. x = 0.42 mL
  4. 4. m = 3.44 kg
  5. 5. D = 3 mg/h
  6. 6. c = 281 mg/dL

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