About the Units
femtogram (fg)
A unit of mass equal to 10^-15 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 fg = 1.0000001e-21 Mg
- 999999950000000000000.0 fg = 1 Mg