Reference boundary

Unit conversion only. Confirm whether a tool expects one-way route length or total conductor length.

Reference table

Convert common length units before using voltage-drop formulas or calculators.

Formula basis uses exact SI-to-imperial length conversion constants.
FromToMultiply byExample
FeetMetres0.3048100 ft = 30.48 m
MetresFeet3.2808430 m = 98.43 ft
KilometresMetres10000.2 km = 200 m
MetresKilometres0.001750 m = 0.75 km
Use notes
  • Use this table for preliminary reference and arithmetic checks only.
  • Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.