How To Convert 15 Amps To Watts (W)

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How to convert 15 amps to watts

How to convert electric current of 15 amps (A) to electric power in watts (W).

You can calculate (but not convert) the watts from amps and volts:

For DC power supply, watts are equal to amps times volts.

watts = amps × volts

watts = 15A × 12V = 180W

For AC power supply, watts are equal to the power factor times amps times volts.

watts = PF × amps × volts

For resistive load without inductors or capacitors, the power factor is equal to 1:

watts = 1 × 15A × 120V = 1800W

For inductive load (like induction motor), the power factor can be approximately equal to 0.8:

watts = 0.8 × 15A × 120V = 1440W

For AC power supply, watts are equal to the power factor times amps times volts.

watts = PF × amps × volts

For resistive load without inductors or capacitors, the power factor is equal to 1:

watts = 1 × 15A × 230V = 3450W

For inductive load (like induction motor), the power factor can be approximately equal to 0.8:

watts = 0.8 × 15A × 230V = 2760W

How to convert amps to watts ►

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