UPS current calculator

Quick UPS Input & Rectifier Current Calculator — Get Amps from kW, PF & Efficiency

Quickly convert kW, power factor and efficiency into the amps your UPS needs with our UPS input current calculator. Get instant, accurate input and rectifier current estimates to simplify sizing and troubleshooting.

Instant UPS/Inverter Output Current Calculator: kVA to Amps for 1-Phase & 3-Phase

Convert kVA to amps in seconds with our instant UPS/Inverter output current calculator. It handles both 1-phase and 3-phase systems and gives clear results to help you size equipment confidently.