Full name: femtoarcsecond
Plural form: femtoarcseconds
Symbol: fsec
Category type: angle
Scale factor: 4.8481368110954E-21
The SI derived unit for angle is the radian.
1 radian is equal to 2.062648062471E+20 femtoarcsecond.
Valid units must be of the angle 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 femtoarcsecond = 10-15 arcsecond.