Three Phase Calculator
P = √3 VL IL PF
How to Use This Calculator
Enter line-to-line voltage, line current, and power factor (0–1), then calculate.
Formula
P = √3 VL IL PF
S = √3 VL IL
Frequently Asked Questions
Delta or Wye?
Formulas shown use line values and apply for balanced three-phase systems.
What about reactive power?
Q = √(S² − P²). Enter PF to compute P from S.