About the Units
zettagram (Zg)
A unit of mass equal to 10^21 grams or 10^18 kilograms.
megagram (Mg)
A unit of mass equal to 10^6 grams or 1000 kilograms, equivalent to a metric ton.
Common Conversions
- 1 Zg = 1000000050000000.0 Mg
- 9.999999e-16 Zg = 1 Mg