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Watts to Amps

Current draw

Enter watts and voltage

How this calculator works

How to use the Watts to Amps

The Formula

For DC circuits: Amps = Watts ÷ Volts. Example: a 120 W load on a 12 V system draws 10 A.

Practical Example

Pair this with the Amps to Watts converter when sizing fuses, wire gauge, or battery discharge current.

About Watts to Amps

Watts to amps formula

For DC circuits: Amps = Watts ÷ Volts. Example: a 120 W load on a 12 V system draws 10 A.

Related calculators

Pair this with the Amps to Watts converter when sizing fuses, wire gauge, or battery discharge current.