gr to kg | Grain to Kilogram Converter

Grain

The grain or troy grain (symbol: gr) is a unit of mass and it is exactly equal to 64.79891 milligrams. One gram is thus approximately equivalent to 15.43236 grains. The unit formerly used by jewellers to measure pearls, diamonds, and other precious stones, called the jeweller's grain or pearl grain, is equal to 1⁄4 carat (50 mg; 0.77 gr). The grain was also the name of a traditional French unit equal to 53.115 mg. In both British Imperial units and United States customary units, there are precisely 7,000 grains per avoirdupois pound, and 5,760 grains per troy pound or apothecaries' pound.

Kilogram

The kilogram (symbol: kg) is the base unit of mass in the International System of Units (SI). It is a widely used measure in science, engineering and commerce worldwide. Colloquially, kilogram is often called a kilo. One kilogram contains 1000 grams

Definition of Kilogram: The kilogram is defined by taking the fixed numerical value of the Planck constant h to be 6.62607015×10⁻³⁴ when expressed in the unit J.s, which is equal to kg.m².s⁻¹, where the meter and the second are defined in terms of c and Δν_Cs

gr to kg | Grains to Kilograms Table