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Electrical calculator

Electric Power Calculator

Calculate electric power from voltage and current for DC and AC systems.

DC / 1φ P = V × I
Three-phase P = √3 × V × I × PF
Electrical calculator

Electric Power Calculator

Instant result
Result
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Enter values to calculate.

Inputs—
Mode—
Formula—

How to use

Follow these steps for a clear answer.

1

Enter the known values

Fill in the fields for your circuit or equipment.

2

Choose the conversion direction

Use the tabs when both directions are available.

3

Read the result

The result updates instantly as you type.

Frequently asked questions

Key distinctions behind the calculation.

How does the Electric Power calculation work?

It uses the formula P = V × I.