UPS Power Calculator
Size your UPS in seconds.
Calculate required kVA from current, real power or an equipment list, then estimate battery runtime. We'll match your result to the right UPS range — no obligation.
kVA = V × A ÷ 1000, kW = kVA × PF.
— Calculated load
Apparent Power
2.30kVA
Real Power
2.07kW
Recommended UPS
Sized with 20% headroom. Click a model for full specs & downloads.
Sentinel Pro2 (SP2)Riello
700-3000 VA
Sentinel Dual2 (SD2)Riello
1000-3000 VA
Delta Amplon MXDelta
1.1-3 kVA
Not sure which figure to use?
Our engineers will size the right UPS for your load, runtime and redundancy — and recommend the correct model from the Riello or Legrand ranges.
Get an engineer recommendation