About the Units
zeptogram (zg)
A unit of mass equal to 10^-21 grams or 10^-24 kilograms.
femtogram (fg)
A unit of mass equal to 10^-15 grams or 10^-18 kilograms.
Common Conversions
- 1 zg = 9.999999e-7 fg
- 1000000.1 zg = 1 fg
Convert from zeptograms to femtograms
Conversion Information
To convert from zeptograms to femtograms, multiply by 9.999999e-7
1 zg = 9.999999e-7 fg