RapidTablesHome›Calculators›Electrical Calculators› Watts to ampscalculatorWa t t s to A m p s C a l c u l a to rElectric power in watts (W) to electric current in amps(A) calculator.Select current typeDCEnter power in wattsEnter voltage in volts Calculate Reset SwapCurrent result in ampsCurrent result in milliampsAmps to watts calculator ►* Use e for scientific notation. E.g: 5e3, 4e-8, 1.45e12DC watts to amps calculationThe current I in amps (A) is equal to the power P inwatts (W), divided by the voltage V in volts (V):I = P/ VAC single phase watts to ampscalculationThe phase current I in amps (A) is equal to the power Pin watts (W), divided by the power factorPF times theRMS voltage V in volts (V):I = P / (PF×V)The power factor of resistive impedance load is equalto 1.AC three phase watts to ampscalculationCalculation with line to line voltageThe phase current I in amps (A) is equal to the power Pin watts (W), divided by square root of 3 times thepower factorPF times the line to line RMS voltage Vin volts (V):I = P / (√3×PF×V)The power factor of resistive impedance load is equalto 1.Calculation with line to neutral voltageThe phase current I in amps (A) is equal to the power Pin watts (W), divided by 3 times the power factorPFtimes the line to neutral RMS voltage V in volts (V):I = P / (3 ×PF×V)The power factor of resistive impedance load is equalto 1.Ty p i c a l p owe r fa c to r va l u e sDo not use typical power factor values for accuratecalculations.DeviceTypical power factorResistive load1Fluorescent lamp0.95Incandescent lamp1Induction motor full load0.85Induction motor no load0.35Resistive oven1Synchronous motor0.9Watts to amps calculation ►See alsoHow to convert watts to ampsAmps to watts calculatorkW to amps calculatorWatts to lumens calculatorAmpere (A)Volt (V)Watt (W)Power factorElectrical calculationPower conversionWrite how to improve this pageSubmit FeedbackELECTRICAL CALCULATORSAmps to kWAmps to kVAAmps to VAAmps to voltsAmps to wattsElectricity billEnergy consumptionEnergy costeV to voltsJoules to wattsJoules to voltskVA to ampskVA to wattskVA to kWkVA to VAkW to ampskW to voltskW to kWhkW to VAkW to kVAkWh to kWkWh to wattsmAh to WhOhm's LawPower calculatorPower factorVA to ampsVA to wattsVA to kWVA to kVAVoltage dividerVolts to ampsVolts to wattsVolts to kWVolts to joulesVolts to eVWatts-volts-amps-ohmsWatts to ampsWatts to joulesWatts to kWhWatts to voltsWatts to VAWatts to kVAWh to mAhRAPID TABLESRecommend SiteSend FeedbackAboutHome | Web | Math | Electricity |Calculators | Converters | To o l s© RapidTables.com | About | Te r m s o f U s e |Privacy Policy | Manage CookiesYour message ...SiC Devices for IndustrialSTMicroelectronicsW5600V36A155.55555556mA155555.55555999998(A)(W)(V)(A)(W)(V)L-L(A)(W)L-L(V)L-N(A)(W)L-N(V)20/12/2020, 12:17Page 1 of 1