About the Units
zettagram (Zg)
A unit of mass equal to 10^21 grams or 10^18 kilograms.
assay ton (AT)
A unit of mass equal to 29.167 grams, used in precious metal assaying.
Common Conversions
- 1 Zg = 34285713000000000000.0 AT
- 2.916667e-20 Zg = 1 AT