About the Units
femtogram (fg)
A unit of mass equal to 10^-15 grams or 10^-18 kilograms.
dalton (Da)
A unit of mass approximately equal to the mass of a hydrogen atom, used in atomic and molecular physics.
Common Conversions
- 1 fg = 602214100.0 Da
- 1.660539e-9 fg = 1 Da