There are 8 pints in a gallon. This is because 1 gallon equals 4 quarts, and each quart has 2 pints: 1 gallon = 4 quarts × 2 pints = 8 pints.
This measurement is based on the U.S. customary system, commonly used in cooking and liquid measurements.
There are 8 pints in 1 US gallon. When working in the UK (Imperial) system, 1 gallon will also be 8imperial pints, but also there is a difference between the size of an imperial and US pint.
This means that if you divide a gallon of liquid into equal parts, you’ll get eight pints. In other words, 1 pint is equal to 1/8 of a gallon. This measurement is commonly used in the U.S. customary system for liquids like milk, water, or fuel.