Liquid Volume Converter
Convert between US gallons, quarts, pints, cups, fluid ounces, litres and imperial gallons for canning, milk, feed and water.
How this converter works
All volumes convert through millilitres. A US gallon is 3,785.41 mL, which divides into 4 quarts, 8 pints, 16 cups or 128 fluid ounces. Enter a value, choose your units and read the result, with the table below showing all the other units at once.
Common values
| US unit | Equals |
|---|---|
| 1 gallon | 4 quarts, 8 pints, 16 cups, 128 fl oz, 3.785 L |
| 1 quart | 2 pints, 4 cups, 32 fl oz, 946 mL |
| 1 pint | 2 cups, 16 fl oz, 473 mL |
| 1 cup | 8 fl oz, 16 tablespoons, 237 mL |
| 1 tablespoon | 3 teaspoons, 14.8 mL |
A worked example
A recipe calls for 7 quarts of crushed tomatoes in a canner load. That is 1.75 gallons, or 6.6 litres. If a milk goat gives 2.5 quarts a day, that is 0.625 gallons, or about 2.4 litres.
Common mix-ups
- Fluid ounces measure volume and ounces measure weight. A cup of honey weighs about 12 ounces, even though it is 8 fluid ounces.
- An imperial pint is 20 imperial fluid ounces, while a US pint is 16 US fluid ounces.
- Water weighs about 8.34 pounds per US gallon, but other liquids differ. Use the Brix and density converter for sugar solutions.
Where these numbers come from
US customary volumes are defined from the US gallon of 231 cubic inches, which is 3.785411784 litres exactly. The imperial gallon is 4.54609 litres.
Frequently asked questions
How many quarts are in a gallon?
Four US quarts.
How many litres are in a US gallon?
3.785 litres.
How many cups in a quart?
Four cups.
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