unit:GRAIN

Type
Description

A grain is a unit of measurement of mass that is nominally based upon the mass of a single seed of a cereal. The grain is the only unit of mass measure common to the three traditional English mass and weight systems; the obsolete Tower grain was, by definition, exactly /64 of a troy grain. Since 1958, the grain or troy grain measure has been defined in terms of units of mass in the International System of Units as precisely 64.79891 milligrams. Thus, $$1 gram \approx 15.4323584 grains$$. There are precisely 7,000 grains per avoirdupois pound in the imperial and U.S. customary units, and 5,760 grains in the Troy pound.

Properties
0.00006479891
0112/2///62720#UAA523
[gr]
Annotations
A grain is a unit of measurement of mass that is nominally based upon the mass of a single seed of a cereal. The grain is the only unit of mass measure common to the three traditional English mass and weight systems; the obsolete Tower grain was, by definition, exactly /64 of a troy grain. Since 1958, the grain or troy grain measure has been defined in terms of units of mass in the International System of Units as precisely 64.79891 milligrams. Thus, $$1 gram \approx 15.4323584 grains$$. There are precisely 7,000 grains per avoirdupois pound in the imperial and U.S. customary units, and 5,760 grains in the Troy pound.
Grain(en)

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