About the Units
gigagram (Gg)
A unit of mass equal to 10^9 grams or 10^6 kilograms.
zeptogram (zg)
A unit of mass equal to 10^-21 grams or 10^-24 kilograms.
Common Conversions
- 1 Gg = 1.0000001e30 zg
- 9.999999e-31 Gg = 1 zg
Convert from gigagrams to zeptograms
Conversion Information
To convert from gigagrams to zeptograms, multiply by 1.0000001e30
1 Gg = 1.0000001e30 zg