About the Units
gigameter (Gm)
A length unit equal to 10^9 meters.
zettameter (Zm)
A massive length unit equal to 10^21 meters.
Common Conversions
- 1 Gm = 1e-12 Zm
- 1000000000000.0 Gm = 1 Zm
Convert from gigameters to zettameters
Conversion Information
To convert from gigameters to zettameters, multiply by 1e-12
1 Gm = 1e-12 Zm