← Back to all tools

Electrical / AC power

AC Power / Power Factor Calculator

Calculate the single-phase apparent, real and reactive power triangle.

Single-phase load

AC power triangle

Real power1,840 W

2,300 VA apparent power

Apparent power
2,300 VA
Real power
1,840 W
Reactive power
1,380 var
Power factor
0.8

This is a balanced sinusoidal single-phase calculation using the magnitude of power factor. It does not distinguish leading from lagging reactive power or cover harmonics and three-phase systems.