Core Calculator
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.