One gallon equals how many cups To calculate how many cups are in one gallon, a person must know that there are 2 cups in 1 pint, there are 2 pints in 1 quart and there are 4 quarts in 1 gallon. From this, a person can come to the conclusion that there are 4 cups in 1 quart. Restaurant Recipes. Since there are 4 quarts in 1 gallon, the person can then multiply 4 times 4 to determine that there are 1. Learn more about Food Measurements. There are 16 cups in 1 gallon. One easy way to calculate relationships between measurements of volume is to use an online. RkWFEW83oSE/hqdefault.jpg' alt='How Many Cuos In A Gallon' title='How Many Cuos In A Gallon' />Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. Easily share your publications and get.