Power Factor Calculator
Free calculate power factor, real power, reactive power, and apparent power in ac circuits. Get instant, accurate results with our easy-to-use calculator.
Input Parameters
(0-1)
Typical: 0.7-0.95 for motors, 0.9-1.0 for resistive loads
Results
Enter real power and power factor to calculate
Power Factor Formulas
Power Factor
PF = P / S
Where:
- • P = real power (W)
- • S = apparent power (VA)
Apparent Power
S = P / PF
Reactive Power
Q = √(S² - P²)