Convert volts and amps into watts, kilowatts, horsepower and kVA for DC, single-phase or three-phase supplies.
loading toolHow to use the electrical power calculator
- Type your numbers in the boxes (pick your currency or units if asked).
- The answer updates as you type: no button to press.
- Copy the result, or share it on WhatsApp with one tap.
Questions
What is power factor?
For AC loads like motors, part of the current does no useful work. Power factor (0 to 1) is the useful share.
Is my data private?
Yes. Everything happens inside your own browser: nothing you type or choose is uploaded to us or anyone else.
Is it free?
Completely free, with no sign-up, no watermark and no limit on how many times you use it. Light ads keep the site running.
