Convert from grains to milligrams

Conversion Information

To convert from grains to milligrams, multiply by 64.798904

1 gr = 64.798904 mg

Converter

About the Units

grain (gr)

A unit of mass equal to 64.79891 milligrams, originally based on the weight of a grain of barley.

Learn more about grains

milligram (mg)

A unit of mass equal to 0.001 grams or 10^-6 kilograms.

Learn more about milligrams

Common Conversions

  • 1 gr = 64.798904 mg
  • 0.015432359 gr = 1 mg