# The Merchant Shipping (Tonnage) Regulations 1997, Regulation 6: Gross tonnage


The gross tonnage (GT) of a ship shall be determined by the following formula—
GT=K1V where—
V total volume of all enclosed spaces of the ship in cubic metres; and
K1 0.2 + 0.02 log10 V, as specified in Schedule 2;

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Source: https://www.legislation.gov.uk/uksi/1997/1510/regulation/6 (the official version)
Page: https://openlegislation.uk/merchant-shipping-tonnage-regulations-1997/regulation-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.