Electrical Calculators
Power & Current

Amps to Watts Calculator

Amps to Watts Calculator. Calculate current, voltage and power from electrical operating values. Calculations run in your browser. Entered electrical values are not uploaded to our server.

Inputs
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Calculations run in your browser. Entered electrical values are not uploaded to our server.
ⓘMathematical estimate only. Verify equipment datasheets, manufacturer instructions, electrical codes and qualified design before real-world use. Do not work on energized electrical systems unless you are qualified and authorized to do so.

Formula & method

DC: P = V × I; 1φ AC: P = V × I × PF; balanced 3φ AC: P = √3 × VLL × I × PF

Worked example

230 V × 10 A × PF 1.0 = 2300 W

Assumptions & safety boundary

Mathematical estimate only. Verify equipment datasheets, manufacturer instructions, electrical codes and qualified design before real-world use. Do not work on energized electrical systems unless you are qualified and authorized to do so.