Electrical Calculators

kW / kVA / Amps

Convert real power, apparent power, current, and power factor.

01

Inputs

02

Result & worksheet

74.82 kW · 83.14 kVA

Recorded summary

  • Power factor: 0.9
  • Apparent power: 83.14 kVA
  • Real power: 74.82 kW

Formula used

kVA = V × I × phase factor ÷ 1,000; kW = kVA × PF

Calculation steps

  1. 480 × 100 × √3 ÷ 1,000 = 83.14 kVA
  2. 83.14 × 0.9 = 74.82 kW

Assumptions

  • Balanced load
  • Sinusoidal steady-state RMS values
  • Phase factor is √3 for three-phase

Verify before use

  • Measurement method and instrument rating
  • Load balance and harmonic content
  • Whether line-to-line or line-to-neutral voltage is required