Full name: femtometre
Plural form: femtometers
Symbol: fm
Alternate spelling: femtometres
Category type: length
Scale factor: 1.0E-15
The SI base unit for length is the metre.
1 metre is equal to 1.0E+15 femtometer.
Valid units must be of the length type.
You can use this form to select from known units:
The SI prefix "femto" represents a factor of 10-15, or in exponential notation, 1E-15.
So 1 femtometre = 10-15 metre.
femtometer to fingerbreadth
femtometer to kilometre
femtometer to lap [old]
femtometer to chain [Ramsden, engineer]
femtometer to mil [Sweden]
femtometer to foot [pre-1963 Canada]
femtometer to pe [Portuguese]
femtometer to rod [survey]
femtometer to yard
femtometer to light minute