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
½ tbsp? mL1 tbsp = 15 mL

Practice exercise (made-up values, not clinical guidance). Convert ½ tbsp to millilitres, using 1 tbsp = 15 mL. Find V.

½ tbsp1 tbsp = 15 mL
V = mL
2.Easy
179 lb1 kg = 2.2 lbm = ? kg

Practice exercise (made-up values, not clinical guidance). A patient weighs 179 lb. Using 1 kg = 2.2 lb, find the weight m in kilograms. Round to one decimal place.

179 lb1 kg = 2.2 lb
m = kg
3.Medium
5.3422 mL? mLround to 0.1 mL

Practice exercise (made-up values, not clinical guidance). A dose calculation for an injection gives 5.3422 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?

5.3422 mL
x = mL
4.Medium
12345678910111203:25?3:25 AM3:25 PM5:25 AM2:25 AM

Practice exercise (made-up values, not clinical guidance). A dose is charted at 03:25 (24-hour clock). Which entry is the same time on the 12-hour clock? Click it.

03:25
  1. 13:25 AM
  2. 23:25 PM
  3. 35:25 AM
  4. 42:25 AM
5.Hard
½ tsp · 4/day · 7 d? × 150 mL1 tsp = 5 mL

Practice exercise (made-up values, not clinical guidance). A prescription reads ½ tsp of an oral suspension every 6 hours for 7 days. The suspension comes in 150 mL bottles. Using 1 tsp = 5 mL, how many whole bottles N must be supplied so the course is complete?

½ tspevery 6 hours7 days150 mL1 tsp = 5 mL
N =
6.Hard
10 mcg/min? mg/h1 h = 60 min1 mg = 1000 mcg

Practice exercise (made-up values, not clinical guidance). An infusion delivers 10 mcg/min. Express this dose rate D in mg/h.

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

Answer key

  1. 1. V = 7.5 mL
  2. 2. m = 81.4 kg
  3. 3. x = 5.3 mL
  4. 4. 3:25 AM
  5. 5. N = 1
  6. 6. D = 0.6 mg/h

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