Pevlika

Power Factor Calculator

Power factor, kvar and correction capacitor size.

Runs in your browser — nothing is uploaded

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

How to use Power Factor 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

PF = P / S

Qc = P × (tan φ₁ − tan φ₂)

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