Resistor power dissipation calculator

Use this online calculator to calculate the power dissipation in a purely resistive load.

[to-calculator-info][/to-calculator-info]

[calculator]

[calculator-input name=“resistance” label=“resistance” unit=“Ω”][/calculator-input][calculator-input name=“current” label=“current” unit=“A”][/calculator-input]

[calculator-expression name=“power” formula=“resistance*current^2” unit=“W”]

[calculator-output name=“power” unit=“W”] Power disspated in resistor: <%= format(power, “W”) %> [/calculator-output]

[/calculator]

Formula:

$$P=I^2R$$