About the Units
megagram (Mg)
A unit of mass equal to 10^6 grams or 1000 kilograms, equivalent to a metric ton.
femtogram (fg)
A unit of mass equal to 10^-15 grams or 10^-18 kilograms.
Common Conversions
- 1 Mg = 999999950000000000000.0 fg
- 1.0000001e-21 Mg = 1 fg