Pevlika Browser Apps

Voltage Drop Calculator

Voltage drop along copper or aluminium cable.

Runs in your browser — nothing is uploaded
Conductor
Circuit

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For learning, hobby and prototyping use. Not professional electrical design advice — follow applicable codes and standards.

How to use Voltage Drop Calculator

  1. Enter your values — the unit for each field is shown next to it.
  2. The result updates instantly as you type.
  3. Copy the results, or change inputs to compare scenarios.

Formula & assumptions

Single-phase/DC: Vd = 2 × I × ρL/A

Three-phase: Vd = √3 × I × ρL/A

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