About the Units
grain (gr)
A unit of mass equal to 64.79891 milligrams, originally based on the weight of a grain of barley.
exagram (Eg)
A unit of mass equal to 10^18 grams or 10^15 kilograms.
Common Conversions
- 1 gr = 6.4798906e-20 Eg
- 15432359000000000000.0 gr = 1 Eg