About the Units
grain (gr)
A unit of mass equal to 64.79891 milligrams, originally based on the weight of a grain of barley.
yottagram (Yg)
A unit of mass equal to 10^24 grams or 10^21 kilograms.
Common Conversions
- 1 gr = 6.479891e-26 Yg
- 1.5432359e25 gr = 1 Yg