Electrical Power Calculator

Electrical power in a DC (or purely resistive) circuit is voltage times current.

P = V × I
  • P = power (W)
  • V = voltage (V)
  • I = current (A)

Inputs

Result

Enter values and press Calculate.
P = V × I

For educational and general reference only. Results depend on the accuracy of the values entered and are rounded to the selected precision. Verify critical designs with a qualified engineer and applicable codes. Full disclaimer

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