Free UPS Runtime Calculator: Predict Run Time from Load (kW), Battery Voltage, Ah & Efficiency

Use our free UPS runtime calculator to quickly predict backup run time from load (kW), battery voltage, Ah and efficiency—no guesswork required.

Avoid Overbuying: Exact UPS Size (kVA/kW) for IT/Servers – PF & Headroom Calculator

Stop guessing and stop overpaying—our UPS size calculator finds the exact kVA/kW you need for your IT and server loads. It factors power factor and headroom so you buy just the right capacity and avoid costly overspend.