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
180 mL? cups1 cup = 8 fl oz = 240 mL

Practice exercise (made-up values, not clinical guidance). Convert 180 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.

180 mL1 cup = 8 fl oz = 240 mL
n = cup
2.Easy
kg× 1000g× 1000mg× 1000mcg88 mcg?

Practice exercise (made-up values, not clinical guidance). Convert 88 mcg to mg: find x.

88 mcg1 mg = 1000 mcg
x = mg
3.Medium
12345678910111221:55?9:55 PM9:55 AM11:55 PM8:55 PM

Practice exercise (made-up values, not clinical guidance). A dose is charted at 21:55 (24-hour clock). Which entry is the same time on the 12-hour clock? Click it.

21:55
  1. 19:55 PM
  2. 29:55 AM
  3. 311:55 PM
  4. 48:55 PM
4.Medium
6.6037 mL? mLround to 0.1 mL

Practice exercise (made-up values, not clinical guidance). A dose calculation for an injection gives 6.6037 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?

6.6037 mL
x = mL
5.Hard
1 mg/h? mcg/min1 mg = 1000 mcg1 h = 60 min

Practice exercise (made-up values, not clinical guidance). An infusion delivers 1 mg/h. Express this dose rate D in mcg/min. Round to one decimal place.

1 mg/h1 mg = 1000 mcg1 h = 60 min
D = mcg/min
6.Hard
3.5 mg/dL? µmol/L1 mg/dL = 88.4 µmol/L

Practice exercise (made-up values, not clinical guidance). A serum creatinine result is 3.5 mg/dL. Using 1 mg/dL = 88.4 µmol/L for creatinine, find c in µmol/L to the nearest whole number.

3.5 mg/dL1 mg/dL = 88.4 µmol/L
c = µmol/L

Answer key

  1. 1. n = 0.75 cup
  2. 2. x = 0.088 mg
  3. 3. 9:55 PM
  4. 4. x = 6.6 mL
  5. 5. D = 16.7 mcg/min
  6. 6. c = 309 µmol/L

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