Register ton. For register tonnage or for measurement of the entire internal capacity of a vessel:

100 cubic feet equal 1 register ton This number is arbitrarily assumed to facilitate computation. Shipping ton. For the measurement of cargo :

40 cubic feet equal

1 U. S. shipping ton. 32.146 U. S. bushels. 31.16 Imperial bushels.

42 cubic feet equal

1 British shipping ton. 33.75 U. S. bushels. 32.749 Imperial bushels.

1 U.S. or Winchester bushel equals 2150.42 cubic inches 1 Imperial bushel equals 2218.192 cubic inches. 1 " " " 1.0315157 U. S. bushels.

1 English quarter equals

8 1/4 U. S. bushels (nearly). 8 Imperial bushels. 17,745.54 cubic inches. 10.2694 cubic feet.

350 cubic feet equal 1 keel