Free Tool | AS/NZS 3000 | No Signup

Voltage Drop
Calculator

Calculate voltage drop for any cable run. Supports copper and aluminium, single and three phase, with power factor correction.

Calculate Voltage Drop

Load Current (A)

Cable Length (m)

Cable Size

Material

Voltage

Phase

Power Factor

Max Voltage Drop (%)

Free — no signup required

Copper and aluminium support

Single and three phase

Power factor correction

Compliance check built in

Works on mobile

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