kVA to Amps Calculator

Convert kVA to amps accurately with our easy-to-use calculator. Perfect for electrical engineers and professionals in power management.

Enter phase:
Enter kilovolt-amps:
Enter volts:
Result in amps:

KVA, or kilovolt-ampere, is a unit of apparent power in an electrical system, representing the combination of both real power (kW) and reactive power (kVAR).

It's a crucial measure for assessing the total power demand in a system, considering both real and reactive components. Power factor, the ratio of real power to apparent power, is vital for evaluating system efficiency.

kVA to Amps Conversion Formula

The formula to convert kVA to amps involves the power factor (PF) and voltage (V). For both single-phase and three-phase systems, the formula can be expressed as:

I(Amps)=S(kVA) V(Volts)×PF

Voltage Difference - Line to Line and Line to Neutral

In three-phase systems, it's important to consider both line-to-line (LL) and line-to-neutral (L-N) voltage differences. The voltage across a phase and the neutral is different from the voltage between two phases.

For line-to-line (LL) voltage


For line-to-neutral (L-N) voltage


Single-Phase kVA to Amps Formula

For a single-phase system, the formula simplifies to


Three-Phase kVA to Amps Formula

For a three-phase system, considering line-to-line voltage



And for line-to-neutral voltage


Frequently Asked Questions

50 kVA transformer can handle approximately 120.28 amperes in a 240-volt, three-phase system, considering the kVA to amperes conversion and the line-to-line voltage.

For single-phase systems, use the formula S=(I×V)/1000 where I is in amperes, V is in volts, and S is in kilovolt-amperes (kVA). For three-phase systems, use S=(I×V×3)/1000 for line-to-line voltage and S=(I×V×3)/1000 for line-to-neutral voltage.

An electrical system drawing 30 amps at 220 volts results in 11.43 kVA of apparent power, accounting for line-to-neutral voltage and considering the square root of 3 for three-phase systems.

The power factor is crucial in assessing the efficiency of electrical systems. It represents the ratio of real power (usable power) to apparent power (total power).

A low power factor can result in increased energy consumption, leading to inefficiencies and higher costs. Understanding and optimizing the power factor is vital for maintaining a balanced and efficient electrical infrastructure.