About the Units
cubic femtometer (fm³)
An extremely tiny volume unit used in particle physics.
cubic yoctometer (ym³)
The smallest theoretically conceived volume unit.
Common Conversions
- 1 fm³ = 3.4028237e38 ym³
- 0.0 fm³ = 1 ym³
To convert from cubic femtometers to cubic yoctometers, multiply by 3.4028237e38
1 fm³ = 3.4028237e38 ym³
An extremely tiny volume unit used in particle physics.
The smallest theoretically conceived volume unit.