Full name: petametre
Plural form: petameters
Alternate spelling: petametres
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 petametre.
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A petametre (American spelling: petameter, symbol: Pm) is a unit of length equal to 10^15 metres.