About the Units
femtometer (fm)
An ultra-small length unit used in nuclear and particle physics.
fathom (fathom)
A maritime length unit used for measuring water depth.
Common Conversions
- 1 fm = 5.4680545e-16 fathom
- 1828804000000000.0 fm = 1 fathom
Convert from femtometers to fathoms
Conversion Information
To convert from femtometers to fathoms, multiply by 5.4680545e-16
1 fm = 5.4680545e-16 fathom