About the Units
gigagram (Gg)
A unit of mass equal to 10^9 grams or 10^6 kilograms.
milligram (mg)
A unit of mass equal to 0.001 grams or 10^-6 kilograms.
Common Conversions
- 1 Gg = 1000000000000.0 mg
- 1e-12 Gg = 1 mg
Convert from gigagrams to milligrams
Conversion Information
To convert from gigagrams to milligrams, multiply by 1000000000000.0
1 Gg = 1000000000000.0 mg