A unit of volume is a unit of measurement for measuring volume or capacity, the extent of an object or space in three dimensions. Units of capacity may be used to specify the volume of fluids or bulk goods, for example water, rice, sugar, grain or flour.
According to the SI system, the base unit for measuring length is the metre. The SI unit of volume is thus the cubic metre, which is a derived unit, where:[1]
1 m3 = 1 m • 1 m • 1 m.
| Unit of measure | cubic metre | litre | Reference size | Usage |
|---|---|---|---|---|
| 1 cubic metre | = 1 | = 1000 | base unit in SI | |
| 1 barrel | = 0.158 987 294 928 | = 158.987294928 | = 42 US gallons = 9,702 cubic inches | e. g. for oil |
| 1 cubic foot | = 0.028 316 846 592 | = 28.316864592 | = 1,728 cubic inches | |
| 1 cubic decimetre | = 0.001 | = 1 | ||
| 1 litre | = 0.001 | = 1 | ||
| 1 gallon (US) | = 0.003 785 411 784 | = 3.785411784 | = 8 pints (US) = 231 cubic inches | |
| 1 pint (US) | = 0.000 473 176 473 | = 0.473176473 | ||
| 1 cubic inch | = 0.000 016 387 064 | = 0.016387064 | ||
| 1 cubic centimetre | = 0.000 001 | = 0.001 |
