Power / Ohm's Law

Core Calculator

Quick Power & Ohm's Law

Fast field math, with the formulas shown. Works offline after the app is loaded.

Current

20 A

Real power

14.134 kW

Apparent power

16.628 kVA

Reactive power

8.759 kVAR

Formula: kVA = √3 × V line-line × I ÷ 1000; kW = kVA × PF. Balanced sinusoidal AC assumptions; not a code-compliant circuit or conductor sizing tool.