About the Units
attometer (am)
An exceptionally small length unit at the subatomic scale.
femtometer (fm)
An ultra-small length unit used in nuclear and particle physics.
Common Conversions
- 1 am = 0.001 fm
- 999.99994 am = 1 fm
Convert from attometers to femtometers
Conversion Information
To convert from attometers to femtometers, multiply by 0.001
1 am = 0.001 fm