About the Units
yoctometer (ym)
The smallest theoretically conceived length unit.
femtometer (fm)
An ultra-small length unit used in nuclear and particle physics.
Common Conversions
- 1 ym = 1e-9 fm
- 1000000000.0 ym = 1 fm
Convert from yoctometers to femtometers
Conversion Information
To convert from yoctometers to femtometers, multiply by 1e-9
1 ym = 1e-9 fm