Gallons to Quarts Converter Type a value in the Gallons field to convert the value to Quarts: Gallons Quarts: How many Quarts are there in a Gallon? There are 4 quarts in a gallon. Gallon to Quarts Conversion Formula Quarts = Gallons * 4 I.e the volume in quarts is equal to the gallons value multiplied by 4. Gallons to Quarts Conversion Table Gallons Quarts 0 0 1/64 1/16 1/32 1/8 1/16 1/4 1/8 1/2 1/4 1 1/2 2 1 4 2 8 3 12 4 16 5 20 6 24 7 28 8 32 9 36 10 40 Volume Measurements in the US Customary System US Customary Units of Volume Volume measures capacity occupied by liquid, solid, or gas. Gallons, quarts, pints, cups,...