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Since gross tonnage is a bijective function of ship volume, it has an inverse function, namely ship volume from gross tonnage, but the inverse cannot be expressed in terms of elementary functions. A root-finding algorithm may be used for obtaining an approximation to a ship's volume given its gross tonnage. The formula for exact conversion of ...
Gross tonnage is a monotonic and 1-to-1 function of the ship's internal structural volume. It does not include removable objects placed outside the deck or superstructure, like the shipping containers of a container ship.
The numerical value for a ship's GT is always smaller than the numerical values of gross register tonnage (GRT). Gross tonnage is therefore a kind of capacity-derived index that is used to rank a ship for purposes of determining manning, safety, and other statutory requirements and is expressed simply as GT, which is a unitless entity, even ...
The largest may carry thousands of passengers in a single trip, and are some of the largest ships in the world by gross tonnage (GT), bigger than many large cargo ships. Cruise ships started to exceed ocean liners in size and capacity in the mid-1990s; [ 2 ] before then, few were more than 50,000 GT. [ 3 ]
Tonnage and displacement Gross tonnage and displacement are not equivalent and vary depending on the type of ton (e.g. metric or imperial) and how they are calculated. How gross tonnage is calculated has changed somewhat over time, but has always been a measure of cargo space (i.e., it is a measure of the volume of the cargo space), and figures ...
List of merchant navy capacity by flag is a list of the world foremost fleets of registered trading vessels ranked in both gross tonnage (GT) and deadweight tonnage (DWT) sorted by flag state. The table is based on the annual maritime shipping statistics provided by the British Government and the Department for Transport.
This is a timeline of the world's largest passenger ships based upon internal volume, initially measured by gross register tonnage and later by gross tonnage. This timeline reflects the largest extant passenger ship in the world at any given time. If a given ship was superseded by another, scrapped, or lost at sea, it is then succeeded.
Furthermore, some of the world's main waterways such as the Suez Canal and Singapore Strait restrict the maximum dimensions of a ship that can pass through them. In 2016, Prokopowicz and Berg-Andreassen defined a container ship with a capacity of 10,000 to 20,000 TEU as a Very Large Container Ship (VLCS), and one with a capacity greater than ...