Power Requirement Calculator Phase Volts Required V Amperes I Power Factor = Power kW 1 3 .8 1.0 Converting kW to kVA kW = kVA Converting kVA to kW kVA = kW Converting kW to HP kW = HP What size genset is needed to start a 3 phase electric motor Direct on Line (DOL) start HP of Motor = Generator kVA Required Calculating Amperes (when you know kVA) Phase 1,2,3 Generator kVA Volts Required = Ampere I Other Links: Diesel Fuel Usage Chart Power Requirement Calculator Phase Volts Required V Amperes I Power Factor = Power kW 1 3 .8 1.0 Converting kW to kVA kW = kVA Converting kVA to kW kVA = kW Converting kW to HP kW = HP What size genset is needed to start a 3 phase electric motor Direct on Line (DOL) start HP of Motor = Generator kVA Required Calculating Amperes (when you know kVA) Phase 1,2,3 Generator kVA Volts Required = Ampere I