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
Fine-Tune Power Calculations
These partner utilities help when you need broader conversions and performance checks.
- StatCalcPro — Professional Statistics Calculator for Students
- DataValidate Pro — Developer Data Validation & Conversion Suite
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