Volume
Convert volumes between litres, millilitres, gallons, pints, cubic metres 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 litres; the British (imperial) gallon is 4.546 litres. Always check which type is intended.
A British (imperial) pint is 568 ml; a US pint is 473 ml. British pints are used for beer in pubs; US pints are the standard for liquids in America.
1 cubic metre (m³) is exactly 1,000 litres. Cubic metres are used for large quantities of gas, water and building materials.
A standard wine serving in the UK is 175 ml (17.5 cl) for a medium glass. A large glass is 250 ml (25 cl). Glasses are not filled to the brim — a typical wine glass holds 250–350 ml.