Cable Cross Section Calculator

Find required and suggested standard cable cross section for a maximum allowed voltage drop.

Find required and suggested minimum cable size for a target voltage drop.

Phase TypeConductorCurrent (A)Line Length (m)Nominal Voltage (V)Max Drop (%)

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Where is it used?

Useful for feeder and motor circuit pre-sizing decisions.

Provides quick filtering in early electrical design.

Returns theoretical required section and nearest higher standard section.

Shows estimated drop (V and %) for the selected section.