Electrical conversion

kW to amps calculator

Convert kilowatts to amps using the supply voltage. This is a quick reference page for load planning and cable selection.

Worked example

How many amps is 5 kW at 230V?

5 kW at 230V equals about 21.7A.

Calculator

Voltage (V)

Power (kW)

Phase

Current

0.0 A

Formula

I = P / V

Power

0.00 kW

Open the general amperage calculator.

Use the current to check cable losses.

Read the practical guide for load calculations.