Unit Conversion & Dimensional Analysis
Converting between units by multiplying by conversion factors written as fractions equal to 1, arranged so unwanted units cancel — the method behind dosage calculations.
High-yield equivalences: 12 in = 1 ft, 3 ft = 1 yd, 5280 ft = 1 mi, 16 oz = 1 lb, 8 fl oz = 1 cup, 2 cups = 1 pint, 2 pints = 1 quart, 4 quarts = 1 gallon, 2.54 cm = 1 in, 2.2 lb = 1 kg, and 1 L is about 1.06 qt.