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Depth is the depth of the hold, in feet below the main deck. The numerator yields the ship's volume expressed in cubic feet. If a "tun" is deemed to be equivalent to 100 cubic feet, then the tonnage is simply the number of such 100 cubic feet 'tun' units of volume. 100 the divisor is unitless, so tonnage would be expressed in 'ft 3 of tun'. [1]
Stone, 16 cubic feet (0.453 m 3) Salt, 42 US bushels (1.480 m 3) Lime, 40 US bushels (1.410 m 3) Coke, 28 US bushels (0.99 m 3) Wheat, 20 US bushels (0.705 m 3) The nearest thing to a standard cubic ton seems to be the "timber" cubic ton (40 cubic feet or 1.133 cubic metres) which is used by freight transport operators in the US. [1] [2]
Therefore the volume of hold space required for several tuns was greater than the total of the capacity of those tuns. 252 imperial gallons is just over 40 cubic feet (1.1 m 3). British practice by the 19th century was for a ton of cargo volume to be 50 cubic feet (1.4 m 3).
A shipping ton, freight ton, measurement ton or ocean ton is a measure of volume used for shipments of freight in large vehicles, trains or ships. In the USA, it is equivalent to 40 cubic feet (1.1 m 3) while in the UK it is 42 cubic feet (1.2 m 3). [1] [2] It should not be confused with other types of ton which also measure
Defined in The International Convention on Tonnage Measurement of Ships that was adopted by the International Maritime Organization in 1969, the net tonnage replaced the earlier net register tonnage (NRT) which denoted the volume of the ship's revenue-earning spaces in "register tons", units of volume equal to 100 cubic feet (2.83 m 3). [1]
V, the ship's total volume in cubic metres (m 3), and; K, a multiplier based on the ship volume. The value of the multiplier K increases logarithmically with the ship's total volume (in cubic metres) and is applied as an amplification factor in determining the gross tonnage value. K is calculated with a formula which uses the common or base-10 ...
In shipping, the stowage factor indicates how many cubic metres of space one tonne (or cubic feet of space one long ton) of a particular type of cargo occupies in a hold of a cargo ship. [1] It is calculated as the ratio of the stowage space required under normal conditions, including the stowage losses caused by the means of transportation and ...
cubic centimetre of atmosphere; standard cubic centimetre: cc atm; scc ≡ 1 atm × 1 cm 3 = 0.101 325 J: cubic foot of atmosphere; standard cubic foot: cu ft atm; scf ≡ 1 atm × 1 ft 3 = 2.869 204 480 9344 × 10 3 J: cubic foot of natural gas: ≡ 1000 BTU IT = 1.055 055 852 62 × 10 6 J: cubic yard of atmosphere; standard cubic yard: cu yd ...