# DC Power

DC Current Calculator is completely free and requires you to simply input the voltage in volts and current in amps, then submit to obtain the power output in watts.

Electric power is the amount of electrical energy transferred by an electric circuit per unit of time. The SI unit of power is the watt, equivalent to one joule per second. With our easy-to-use online DC power calculator, you can determine the power output of your circuit using the given values of voltage and current. This DC Current Calculator is completely free and requires you to simply input the voltage in volts and current in amps, then submit to obtain the power output in watts.

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- P = V × I
- V = P / I
- I = P / V

**where,**

- P = Power
- V = Voltage
- I = Current