About the Units
femtometer (fm)
An ultra-small length unit used in nuclear and particle physics.
chain (ch)
A traditional length unit used in land surveying and agriculture.
Common Conversions
- 1 fm = 4.9709594e-17 ch
- 20116840000000000.0 fm = 1 ch
Convert from femtometers to chains
Conversion Information
To convert from femtometers to chains, multiply by 4.9709594e-17
1 fm = 4.9709594e-17 ch