# How to convert kVA to kW

How to convert apparent power in kilovolt-amps (kVA) to real power in kilowatts (kW).

### kVA to kW calculation formula

The real power P in kilowatts (kW) is equal to the apparent power S in kilovolt-amps (kVA), times the power factor PF:

P(kW) =  S(kVA) × PF

So kilowatts are equal to kilovolt-amps times the power factor.

kilowatts = kilovolt-amps × PF

or

kW = kVA × PF

#### Example

What is the real power in kilowatts when the apparent power is 3 kVA and the power factor is 0.8?

Solution:

P = 3kVA × 0.8 = 2.4kW

### Kilowatt (kW) definition

A kilowatt is equal to one thousand (103) watts. This unit is typically used to express the output power of engines and the power consumption of electric motors, tools, machines, and heaters. It is also a common unit used to express the electromagnetic power output of broadcast radio and television transmitters.

### Voltampere (VA) definition

A volt-ampere (SI symbol: V⋅A or V A; also VA) is the unit used for the apparent power in an electrical circuit. The apparent power equals the product of root mean square voltage and root mean square current. In direct current (DC) circuits, this product is equal to the real power in watts. Volt-amperes are usually used for analyzing alternating current (AC) circuits. The volt-ampere is dimensionally equivalent to the watt (in SI units, 1 V⋅A = 1 W). VA rating is most useful in rating wires and switches (and other power handling equipment) for inductive loads.

How to convert kW to kVA »

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