S.L. 234.19 · Tonnage Regulations (S.L. 234.19)
S.L. 234.19 Art. 6Gross tonnage.
PART II
The gross tonnage (GT) of a ship shall be determined by the following formula: GT = K V 1 where: V = total volume of all enclosed spaces of the ship in cubic metres, K = 0.2 + 0.02 log V or as specified in the Second 1 10 Schedule.