Full name: exametre
Plural form: exameters
Alternate spelling: exametres
Category type: length
Scale factor: 1.0E+18
The SI base unit for length is the metre.
1 metre is equal to 1.0E-18 exametre.
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The SI prefix "exa" represents a factor of 1018, or in exponential notation, 1E18.
So 1 exametre = 1018 metre.