About Watts & Volts to Amps
Calculate amps from watts and volts for DC, single-phase, or three-phase circuits.
Conversions run locally in your browser, so you can change inputs and units instantly without uploading values to a server.
Frequently Asked Questions
Current depends on voltage. For AC, power factor accounts for the difference between real power (watts) and apparent power.
For balanced three-phase AC, current is power divided by the product of √3, line voltage, and power factor.