Equivalencies used
- 1 g = 1,000 mg
- 1 mg = 1,000 mcg
- 1 g = 1,000,000 mcg
- 1 L = 1,000 mL
- 1 kg = 2.2 lb
- 1 hr = 60 min
Which way to move
Going to a smaller unit gives a larger number, so multiply. Going to a larger unit gives a smaller number, so divide.
110 lb ÷ 2.2 = 50 kg
These exercises use 2.2 lb per kg, the value commonly taught in nursing courses.