The US liquid quart equals 946 millilitres — 2 pints or 1/4 US gallon. The UK imperial quart (1.137 L) is larger, like the other UK liquid units. Quarts are used in US cooking recipes and for motor-oil bottles.
Real-world: A US quart of motor oil is 946 ml. A "quart of milk" in the US ≈ 1 L. UK "quart" is rare today.
Read full quart reference →The cubic metre is the SI derived unit of volume, equal to 1000 litres. It is used for large quantities — water supply, natural gas, concrete, shipping containers and storage tanks. A 20-foot shipping container holds about 33 m³.
Real-world: A 20 ft shipping container holds ~33 m³. UK household water use is ~130 m³/year. Natural gas is billed per m³ in Europe.
Read full cubic meter reference →