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A volt-ampere (VA) is the voltage times the current feeding an electrical load. A kilovolt-ampere (kVA) is 1000 volt-amperes. A volt-ampere (VA) is the unit used for the apparent power in an electrical circuit, equal to the product of root-mean-square (RMS) of one volt. It is an equivalent to watts for non-reactive circuits.

Table of Contents:

**I*V*1.732 for three phase**

**I*V for one phase**

This advanced online Kilovolt - amps Calculation tool is used to calculate and find the amount of apparent power in an alternating current circuit.

**Example:**

Calculate the kVA for the given details of a single phase.

Volts = 25

Amps = 15

**Solution:**

**Apply Formula:**

I*V for one phase

One Phase = 25*15

One Phase = 375 VA

**KVA Calculation = 375 VA**