Gross Register Tonnage

GLOSSARY

GRT (Gross Register Tonnage)

Gross register tonnage or gross registered tonnage, is a ship's total internal volume expressed in "register tons", each of which is equal to 100 cubic feet. Replaced by Gross Tonnage, gross register tonnage uses the total permanently enclosed capacity of the vessel as its basis for volume.

What is GRT(Gross Register Tonnage)?

A ship's total internal volume expressed in "register tons", each of which is equal to 100 cubic feet (2.83 m3). Gross register tonnage uses the total permanently enclosed capacity of the vessel as its basis for volume, it is not a measure of the ship's weight or displacement and should not be confused with terms such as deadweight tonnage or displacement. Typically this is used for dockage fees, canal transit fees, and similar purposes where it is appropriate to charge based on the size of the entire vessel.

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