# One gallon equals how many cups?

There are 16 cups in 1 gallon. One easy way to calculate relationships between measurements of volume is to use an online calculator.

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. Since there are 4 quarts in 1 gallon, the person can then multiply 4 times 4 to determine that there are 16 cups in 1 gallon.

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