Watts to Amps Converter

Convert between watts and amps for DC and AC circuits. Supports single-phase and three-phase calculations.

Formula:I = P / V

Disclaimer

This calculator is provided as-is for educational and informational purposes only. While we strive for accuracy, always verify calculations with professional standards and local electrical codes. Use at your own risk. For critical applications, consult a licensed professional electrician.

Conversion Formulas

DC Circuits:

I = P / V

P = V × I

AC Single Phase:

I = P / (V × PF)

P = V × I × PF

AC Three Phase:

I = P / (√3 × V × PF)

P = √3 × V × I × PF

Common Power Factors

• Incandescent: 1.0

• Resistive heaters: 1.0

• Fluorescent: 0.95

• LED: 0.90

• Motors (full load): 0.85

• Motors (no load): 0.35

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