# Electrical Power Factor

Calculate the power factor (PF) of an AC electrical circuit

This online calculator enables you to calculate the power factor (PF) of an AC electrical circuit. The power factor is the ratio of the real power (in KW) to the reactive power (in KVAr) in the circuit.

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2
Number of calculations

**where,**

- kW = Real Power
- kVAr = Reactive Power