Power Factor Correction Calculator, for Lagging Power Factor

kVAR of PF Correction Capacitor = kW X [(tan(cos^-1(OLD PF))) - (tan(cos^-1(NEW PF)))]

Kilowatts, "kW"
Original Power Factor, "OLD PF"

HP to kW formula:

kW = (HP X 0.746) / Eff.

Horse Power "HP"
Efficiency, "Eff."