Also known as: gr.t.
GRT has various meanings in the Tonnage category. Discover the full forms, definitions, and usage contexts of GRT in Tonnage.
A common measurement of the internal volume of a ship with certain spaces excluded. One ton equals 100 cubic feet; the total of all the enclosed spaces within a ship expressed in tons each of which is equivalent to 100 cubic feet. A common measurement equivalent to 2,240 pounds.
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