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× 1000mL500 mL?

Practice exercise (made-up values, not clinical guidance). Convert 500 mL to L: find x.

500 mL1 L = 1000 mL
x = L
2.Easy
124 lb1 kg = 2.2 lbm = ? kg

Practice exercise (made-up values, not clinical guidance). A patient weighs 124 lb. Using 1 kg = 2.2 lb, find the weight m in kilograms. Round to one decimal place.

124 lb1 kg = 2.2 lb
m = kg
3.Medium
0.76923 mL? mLround to 0.01 mL

Practice exercise (made-up values, not clinical guidance). A dose calculation for a small injection gives 0.76923 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?

0.76923 mL
x = mL
4.Medium
4 ft 6 in1 ft = 12 in1 in = 2.54 cmh = ? cm

Practice exercise (made-up values, not clinical guidance). A patient is 4 ft 6 in tall. Using 1 ft = 12 in and 1 in = 2.54 cm, find the height h in centimetres, to the nearest whole centimetre.

4 ft 6 in1 ft = 12 in1 in = 2.54 cm
h = cm
5.Hard
202 µmol/L? mg/dL1 mg/dL = 88.4 µmol/L

Practice exercise (made-up values, not clinical guidance). A serum creatinine result is 202 µmol/L. Using 1 mg/dL = 88.4 µmol/L for creatinine, find c in mg/dL. Round to two decimal places.

202 µmol/L1 mg/dL = 88.4 µmol/L
c = mg/dL
6.Hard
1 tbsp · 2/day · 7 d? mL1 tbsp = 15 mL

Practice exercise (made-up values, not clinical guidance). A prescription reads 1 tbsp of an oral suspension every 12 hours for 7 days. Using 1 tbsp = 15 mL, how many mL V are needed for the whole course?

1 tbspevery 12 hours7 days1 tbsp = 15 mL
V = mL

Answer key

  1. 1. x = 0.5 L
  2. 2. m = 56.4 kg
  3. 3. x = 0.77 mL
  4. 4. h = 137 cm
  5. 5. c = 2.29 mg/dL
  6. 6. V = 210 mL

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