About the Units
yoctogram (yg)
A unit of mass equal to 10^-24 grams or 10^-27 kilograms.
grain (gr)
A unit of mass equal to 64.79891 milligrams, originally based on the weight of a grain of barley.
Common Conversions
- 1 yg = 1.543236e-23 gr
- 6.4798904e22 yg = 1 gr