Capacitor kVAR for Power Factor ImprovementBy electricalsphere.com / September 22, 2025 Capacitor kVAR Calculator — Power Factor Improvement Capacitor kVAR Calculator — Power Factor Improvement Enter the load and power factor values. Tool returns required kVAR to correct from initial PF to target PF. Input by Active power (kW) Current (A) Active power P (kW) Line voltage (V) Current (A) If you provide current, enter nominal line voltage. For single-phase, use phase voltage (eg. 230 V). System Single-phase Three-phase Target Power Factor (cos φ_target) Initial Power Factor (cos φ_initial) (Optional) System / phase voltage for reference (V) Calculate Clear Formulas used Where φ = arccos(PF), tanφ = tan(arccos(PF)).