Full name: exafathom [ancient]
Plural form: exafathoms
Symbol: Efath
Category type: length
Scale factor: 1.829E+18
The SI base unit for length is the metre.
1 metre is equal to 5.4674685620558E-19 exafathom [ancient].
Valid units must be of the length type.
You can use this form to select from known units: