Electrical load

Amperage calculator

Calculate current from power and voltage, or convert a known current into a quick check for the circuit.

Worked example

How many amps does a 2 kW load draw at 230V?

A 2 kW load at 230V draws about 8.7A before any efficiency or power-factor corrections.

Calculator
Current
0.0 A
Equivalent kW
0.00 kW
Formula
P = V × I
Related pages

kW to amps calculator

Open the dedicated kilowatt conversion page.

Open page

Voltage drop calculator

Use the current result to check cable sizing.

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Amperage guide

Read the practical guide for load calculations.

Open guide