Kalkulix
EN
UK

Electrical calculation guides

A generator or UPS rated in kVA doesn't tell you how many kW you'll actually get – that depends on one number most spec sheets don't explain. Here's what it means.

Convert your own figureskVA to kW converterEnter the apparent power in kVA and the power factor to get the real power in kW, or the other way round.Go to the kVA ↔ kW converter

Conversion

undefined = undefined + undefinedundefined (S, kVA) je prepona pravouhlého trojuholníka, undefined (P, kW) a undefined (Q, var) sú odvesny. undefined (P) (Q) (S)cos φ
ConversionkVA to kW: what the difference actually meansA generator rated 100 kVA doesn't give you 100 kW. The gap between the two numbers is the power factor, and getting it wrong is the single most common reason people undersize or oversize a generator, UPS or transformer.6 min read