Grain - Definition - Law Dictionary Home Dictionary Definition grain

Definition :

Grain, the twenty-fourth part of a penny-weight according to Troy weight.

A grain is 1/252326th of the weight of a cubic inch of distilled water at a temperature of 62' F. A grain is 1/5760th of the pound Troy and 1/7000th of the pound avoirdupois. A metric gram equals 15.432356 grains. A milligram is .015 grains. A carat is 200 milligram or 3 grains. (B.T. Standard.)