When 225 grams of flour is converted into cups, it equals about .95 cups of flour. One gram is equal to .00423 cups, and one cup is equal to 236.58824 grams.
Converting between grams and cups involves decimals because they are different types of units of measurement. A cup is a unit of measurement in volume; one cup is equal to eight fluid ounces, and liquids such as milk and cream are often measured in cups. A gram is a unit of measurement in mass or weight and is equal to one-thousandth of a kilogram. While cups are primarily used to measure liquid, grams are used to primarily measure dry, solid materials.