For ton as a unit of mass, see ton The word ton or tonne is derived from the Old English tunne, and ultimately from the Old French tonne, and referred originally to a large cask with a capacity of 252 wine gallons, which holds approximately 2100 pounds of water. ...

The freight ton or measurement ton is a unit of volume used for describing ship capacities (tonnage) or cargo. One measurement ton is equal to: Italian barque Amerigo Vespucci in New York harbor, 1976. ... Tonnage refers to several methods of calculating the carrying capacity, or the weight, of ships. ...

• 40 cubic feet
• 1.48148 cubic yards
• 1,132.67 litres
• 1.13267 cubic metres

The amount of water displaced by one measurement ton has a mass similar to the ton masses listed above: 1,132.7 kg, or 2497.1 lb. The measurement ton is abbreviated as M/T, MT, or MTON, which can cause it to be confused with the metric ton. The cubic foot (symbols ft³, cu. ... The cubic yard (symbols yd³, cu. ... The litre (or liter in US) is a metric unit of volume. ... The cubic metre (symbol m³) is the SI derived unit of volume. ... A tonne (also called metric ton) is a non-SI unit of mass, accepted for use with SI, defined as: 1 tonne = 103 kg (= 106 g). ...

The register ton is also a unit of volume, defined as 100 cubic feet. It is often abbreviated GRT for gross registered ton.

See 1 E-1 m³ and orders of magnitude (volume) for a comparison with other volumes. To help compare different orders of magnitudes this page lists volumes from at 10-1 m3 to 1 m3. ... The pages linked in the right-hand column contain lists of volumes that are of the same order of magnitude (power of ten). ...