Pevlika Browser Apps

Electrical Power Calculator

Convert watts ↔ amps for DC, single-phase and three-phase AC.

Runs in your browser — nothing is uploaded
Calculate

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

How to use Electrical Power 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

DC: P = V × I

AC 1φ: P = V × I × PF

AC 3φ: P = √3 × V_LL × I × PF

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