Electrical calculator

Watts Volts Amps Calculator

Convert between watts, volts, and amps using the basic power relationships.

Power P = I × V

Voltage V = P ÷ I

Current I = P ÷ V

Electrical calculator

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How to use

Follow these steps for a clear answer.

Fill in the fields for your circuit or equipment.

Use the tabs when both directions are available.

The result updates instantly as you type.

Key distinctions behind the calculation.

How does the Watts Volts Amps calculation work?

It uses the formula P = I × V.