Power Factor Calculator

Calculate kW, kVA, kVAR, and power factor for AC circuits.

Results

Real Power

-

kW

Apparent Power

-

kVA

Reactive Power

-

kVAR

Power Factor

-

(cos θ)

Phase Angle -

Current (if calculated) -

Power Triangle Formulas

Real Power (kW)

kW = kVA × PF

kW = √(kVA² - kVAR²)

Apparent Power (kVA)

kVA = kW / PF

kVA = √(kW² + kVAR²)

Reactive Power (kVAR)

kVAR = √(kVA² - kW²)

kVAR = kW × tan(θ)