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
15 mL? fl oz1 fl oz = 30 mL

Practice exercise (made-up values, not clinical guidance). Convert 15 mL to fl oz, using 1 fl oz = 30 mL: how many n? Real liquid doses are always measured in mL, with an oral syringe or a marked medicine cup.

15 mL1 fl oz = 30 mL
n = fl oz
2.Easy
180 mL? fl oz1 fl oz = 30 mL

Practice exercise (made-up values, not clinical guidance). Convert 180 mL to fl oz, using 1 fl oz = 30 mL: how many n? Real liquid doses are always measured in mL, with an oral syringe or a marked medicine cup.

180 mL1 fl oz = 30 mL
n = fl oz
3.Medium
6 lb 2 oz? kg1 lb = 16 oz1 kg = 2.2 lb

Practice exercise (made-up values, not clinical guidance). A newborn weighs 6 lb 2 oz. Using 1 lb = 16 oz and 1 kg = 2.2 lb, find the weight m in kilograms. Round to two decimal places.

6 lb 2 oz1 lb = 16 oz1 kg = 2.2 lb
m = kg
4.Medium
1.2936 mL? mLround to 0.1 mL

Practice exercise (made-up values, not clinical guidance). A dose calculation for an injection gives 1.2936 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?

1.2936 mL
x = mL
5.Hard
½ tbsp? mL1½ tsp? mL2 cups? mL6 fl oz? mLΣ = ? mL

Practice exercise (made-up values, not clinical guidance). During a shift a patient takes ½ tbsp of liquid supplement, 1½ tsp of cough syrup, 2 cups of tea, 6 fl oz of juice. Using the equivalents given, find the total oral intake V in mL.

1 tbsp = 15 mL1 tsp = 5 mL1 cup = 8 fl oz = 240 mL1 fl oz = 30 mL
V = mL
6.Hard
½ tsp · 2/day · 7 d? mL1 tsp = 5 mL

Practice exercise (made-up values, not clinical guidance). A prescription reads ½ tsp of an oral suspension every 12 hours for 7 days. Using 1 tsp = 5 mL, how many mL V are needed for the whole course?

½ tspevery 12 hours7 days1 tsp = 5 mL
V = mL

Answer key

  1. 1. n = 0.5 fl oz
  2. 2. n = 6 fl oz
  3. 3. m = 2.78 kg
  4. 4. x = 1.3 mL
  5. 5. V = 675 mL
  6. 6. V = 35 mL

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