Full name: megametre
Plural form: megametres
Symbol: Mm
Alternate spelling: megameters
Category type: length
Scale factor: 1000000
The SI base unit for length is the metre.
1 metre is equal to 1.0E-6 megam.
Valid units must be of the length type.
You can use this form to select from known units:
The SI prefix "mega" represents a factor of 106, or in exponential notation, 1E6.
So 1 megametre = 106 metre.