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