Volume
Convert volumes between liters, milliliters, gallons, pints, cubic meters and more. Indispensable for liquid measurements, tank capacity and cooking recipes.
Frequently asked questions
There are two types of gallon. The US gallon is 3.785 liters; the British (imperial) gallon is 4.546 liters. In the United States, "gallon" always refers to the US gallon.
A US pint is 473 ml (16 fl oz). A British (imperial) pint is 568 ml (20 fl oz) — roughly 20% larger. When comparing beer sizes with the UK, the difference matters.
1 cubic meter (m³) is exactly 1,000 liters. Cubic meters are used for large quantities of gas, water and building materials.
A standard US wine pour is 5 fl oz (148 ml). A standard wine bottle (750 ml) contains about five standard pours. Restaurant portions vary from 5 to 9 fl oz depending on the glass size.