Grains to Milligrams - Convert gr to mg

Grains (gr) Conversion

The grain is a traditional unit of mass in the troy weight system commonly used in the jewelry industry and for measuring precious metals and gemstones. It is equivalent to 64.79891 milligrams and a quarter of a carat. There are 7000 grains in a pound.

Milligrams (mg) Conversion

The milligram is a commonly used unit of mass in the metric system, which equals 0.001 gram or 1000 micrograms, and equivalent to 0.0154 grain.