Kw calculator
Author: J | 2025-04-25
What is an Amps to kW Converter? The Amps to kW Calculator is a calculator that calculates kW to kWh Calculator kW to kWh Calculator Enter Power (kW): Enter Time: Select Time Unit: HoursMinutes Calculate
VA to kW Calculator - calculator
To use the calculator, select the current type, enter the power in kilowatts, voltage in volts, and power factor (if applicable). For AC three phase systems, choose between line to line or line to neutral voltage. Click “Calculate” to display the results in the output section. Click “Reset” to clear all fields and start a new calculation. Like this? Please share:Amps to kW calculator ►Calculation of Amperage from DC KilowattsI(A) = 1000 × P(kW)V(V), whereI(A) – electric current in amperes (A);P(kW) – electrical power in kilowatts (kW);V(V) – voltage in volts (V).How to Calculate Amps from AC Single-Phase KilowattsI(A) = 1000 × P(kW)PF × V(V), whereI(A) – electric current I in amps (A).P(kW) – power in kilowatts (kW);PF – power factor;V(V) – RMS voltage in volts (V);AC Three Phase Kilowatts to Amps CalculationLine-to-Line Voltage Calculation I(A) = 1000 × P(kW)√3× PF × VL-L(V), whereI(A) – phase current in amperes (A);P(kW) – electrical power in kilowatts (kW);PF – power factor;VL-L (V) – line to line RMS voltage in volts (V).Calculation with Line to Neutral Voltage I(A) = 1000 × P(kW)3 × PF × VL-N(V)I(A) – phase current in amps (A);P(kW) – power in kilowatts (kW);PF – power factor;VL-N (V) – line to neutral RMS voltage volts (V).Typical Power Factor ValuesHere are typical power factor values in table:Device/LoadPower FactorIncandescent lamps1.0Resistive loads1.0Synchronous motors0.8-0.95Induction motors (small)0.7-0.8Induction motors (large)0.85-0.95Transformers0.8-0.95Fluorescent lighting (magnetic ballast)0.7-0.9Fluorescent lighting (electronic ballast)0.9-0.99Computers and electronics0.6-0.8UPS0.7-0.9Welding Machine0.6-0.8Air Conditioner0.85-0.95Table 1 – typical power factor valueskW to Amps Conversion TablesDC Kilowatts to Amps (kW to Amps)Here
Volts to kW Calculator - calculator
Find More Calculator ☟ Historical BackgroundThe calculation of power from rotational speed and torque is a fundamental aspect of mechanical engineering, especially when dealing with engines and motors. The concept of torque and rotational power is critical in many industries, including automotive, manufacturing, and energy generation. Understanding how to convert these values into practical units like kilowatts (kW) is key to evaluating engine performance, motor efficiency, and machine output.Calculation FormulaThe formula to convert RPM (Revolutions Per Minute) and torque (in Newton meters) to power in kilowatts is:\[\text{Power (kW)} = \frac{\text{Torque (Nm)} \times \text{RPM} \times \pi}{30,000}\]Where:Torque (Nm) is the rotational force applied.RPM is the number of revolutions per minute.The constant \(\pi\) and factor 30,000 are used to convert the rotational measurements to power in kilowatts.Example CalculationIf the torque is 50 Nm and the RPM is 3000:\[\text{Power (kW)} = \frac{50 \times 3000 \times \pi}{30,000} \approx 15.71 \text{ kW}\]Importance and Usage ScenariosConverting RPM to kW is vital in a range of scenarios where determining the power output of a rotating system is necessary:Automotive Industry: To evaluate engine performance in cars or other vehicles.Industrial Machinery: To determine the efficiency of motors and generators.Renewable Energy: To calculate the power produced by wind turbines or other rotational energy systems.Common FAQsWhat is torque?Torque is the rotational force applied around an axis. It is measured in Newton meters (Nm).Why convert RPM to kW?Converting RPM to kW helps in understanding the power output of engines and motors in a standard power unit, which is crucial for comparing and optimizing performance.Is this calculator suitable for all engines?Yes, this calculation is applicable for any rotary engine or motor where you know the torque and rotational speed.This calculator makes it easy to determine the power output of rotating systems, providing a quick and reliable method to assess the efficiency and performance of engines and motors.Amps to kW – Ampere (A) to Kilowatts (kW) Calculator
Motor kW, Convert KW-Amp, Duct gauge/weight, Threaded rod hanger sizing, txt file Viewer, Hello! Condensation.- Duct converter module to convert duct sizes between round, rectangular and oval duct.- Irregular Shaped duct sizing module with built-in polygon shape builder.- rhoAIR module to find air density and other pyschrometric air properties at state point.- Louvre sizer module to size louvre opening required for structural opening.- Fan Motor kW module to calculate electrical power consumption.- Convert KW-Amp module to convert electrical KW - Amp, and calculate KVA.- Duct gauge/weight module to find duct weight, perimeter and surface area for rectangular, round and oval duct with built-in duct gauge selections (Galvanized steel, Stainless steel and Aluminium duct).- Threaded rod sizer module to size and select threaded hanger rod with built-in metric-english series of rod sizes, tensile stress calculator and maximum load calculator.- Hello! Condensation module to calculate surface condensation, U-value and heat gain with built-in building materials and airfilm selections.For details and examples, see changes:updates to Android API 34removed save function">Show more More data about Ductulator - HVAC duct sizing Price $6.99 Total downloads 770 Recent downloads 3 Rating No ratings Ranking Not ranked Version 12.0 APK size 5.90 MB Number of libraries 1 Designed for Android 2.2+ Suitable for Everyone Ads NO ads Related apps Downloads over time Ductulator - HVAC duct sizing has been downloaded 770 times. Over the past 30 days, it has been downloaded 3 times. Changelog Developer information for .TT pocketEngineer SD Are you the developer of this app? Join us for free to see more information about your app and learn how we can help you promote and earn money with your app. I'm the developer of this app Share and embed Embed Comments for Android ★★☆☆☆ Not useful for me dear sir I found. The program not. What is an Amps to kW Converter? The Amps to kW Calculator is a calculator that calculates kW to kWh Calculator kW to kWh Calculator Enter Power (kW): Enter Time: Select Time Unit: HoursMinutes CalculatePower Calculator for Generators: Convert kVA to kW, kW to kVA, kW
A compressor has a power of 84kW, how much power in Hp will the motor have?Answer: // To move from mechanical kW to Hp you simply have to divide the kW by the constant 0.745699, which will result in: 2.609kW.Common efficiencies for engines:Electric motors built according to NEMA Design B must meet the following efficiencies: HpMinimum Nominal Efficiency 1)1 – 478.8%5 – 984.0%10 – 1985.5%20 – 4988.5%50 – 9990.2%100 – 12491.7%> 12592.4%1) Design NEMA B, individual speed 1200, 1800, 3600 RPM. Open drip-proof (ODP) or fully enclosed fan-cooled (TEFC) 1 hp and larger motors that operate more than 500 hours per year.kW to Hp, table for conversion, equivalence, transformation:Equivalence of kW to Hp for three-phase motors:How many kW are:Equivalence in Hp:How many are 0.1 kW0.12 kW0.18 kW0.25 kW0.37 kW0.56 kW0.75 kW1.1 kW1.5 kW2.2 kW3.0 kW3.7 kW4.0 kW5.5 kW7.5 kW9.3 kW10 kW11 kW15 kW18 kW22 kW30 kW37 kW45 kW55 kW75 kW90 kW110 kW130 kW150 kWEquivalent to 1/81/61/41/31/23/411.523455.57.51012.513.51520253040506075100125150175200Equivalence of kW to Hp for single-phase motors:How many kW are:Equivalence in Hp:How many are 0.07 kW0.1 kW0.12 kW0.18 kW0.25 kW0.37 kW0.56 kW0.75 kWEquivalent to 1/121/81/61/41/31/23/411.1 kW1.5 kW2.2 kW3 kW3.7 kW4 kW5.5 kW7.5 kW1.523455.57.510The tables are based on engines of approximately 1450rpm efficiency and average power factor.Wide variations of these tables can arise, especially in single-phase motors, therefore engineers should, whenever possible, check the motor nameplate in each case.Qualify calculator from kW to HP: Calculadoras relacionadas:Volts to kilovolts - Calculator and conversion, table, examples and formulaVA to kW - How to calculate, conversion, formula, equationKva To Kw Calculator - Online Calculators
KW4 Amp.1,22 kW5 Amp.1.52 kW 6 Amp.1.83 kW7 Amp.2.13 kW8 Amp.2.44 kW9 Amp.2.74 kW10 Amp.3.05 kW20 Amp.6.10 kW30 Amp.9.15 kW40 Amp.12.19 kW 50 Amp.15.24 kW 60 Amp.18.29 kW70 Amp.21.34 kW80 Amp.24.39 kW90 Amp.27.44 kW100 Amp.30.48 kW200 Amp.60.97 kW300 Amp.91.45 kW400 Amp.121,94 kW500 Amp.152.42 kW600 Amp.182.90 kW 700 Amp.213.39 kW800 Amp.243.87 kW900 Amp.274.36 kW1000 Amp.304.84 kW1100 Amp.335.33 kW1200 Amp.365.81 kW1300 Amp.396.29 kW1400 Amp.426.78 kW 1500 Amp.457.26 kW1600 Amp.487.75 kWNote: The conversions of the previous table were made taking into account a power factor of 0.8, a voltage of 220V, with a three-phase AC power, for different variables the calculator that appears at the beginning must be used.Typical power factor for engines, constructions and appliances.Typical Un-improved Power Factor by Industry:IndustryPower FactorAuto Parts0.75-0.80Brewery0.75-0.80Cement0.80-0.85Chemical0.65-0.75Coal Mine0.65-0.80Clothing0.35-0.60Electroplating0.65-0.70Foundry0.75-0.80Forging0.70-0.80Hospital0.75-0.80Machine Manufacturing0.60-0.65Metalworking 0.65-0.70Office Building0.80-0.90Oil field Pumping0.40-0.60Paint Manufacturing0.65-0.70Plastic0.75-0.80Stamping0.60-0.70Steel Works0.65-0.80Tool, dies, jigs industry0.65-0.75Typical power factor of common household electronics:Electronics devicePower FactorMagnavox Projection TV – standby0,37Samsung 70″ 3D Bluray0,48Digital Picture Frame0,52ViewSonic Monitor0,5Dell Monitor0,55Magnavox Projection TV0,58Digital Picture Frame0,6Digital Picture Frame0,62Digital Picture Frame0,65Philips 52″ Projection TV0,65Wii0,7Digital Picture Frame0,73Xbox Kinect0,75Xbox 3600,78Microwave0,9Sharp Aquos 3D TV0,95PS3 Move0,98Playstation 30,99Element 41″ Plasma TV0,99Current large, flat-screen television0,96Windows-mount air conditioner0,9Legacy CRT-Based color television0,7Legacy flat panel computer monitor0,64While-LED lighting fixture0,61Legacy laptop power adapter0,55Laser Printer0,5Incandescent lamps1Fluorescent lamps (uncompensated)0,5Fluorescent lamps (compensated)0,93Discharge lamps0,4-0,6Typical Motor Power Factors:PowerSpeedPower Factor(hp)(rpm)1/2 load3/4 loadfull load0 – 518000.720.820.845 – 2018000.740.840.8620 – 10018000.790.860.89100 – 30018000.810.880.91Reference // Power Factor in Electrical Energy Management-A. Bhatia, B.E.-2012 Power Factor Requirements for Electronic Loads in California- Brian Fortenbery,2014 to use the Amp calculator to kW:It is very simple, first enter the amperage to convert, then choose the type of AC or DC current, according to the current chosen different parameters are requested so you must be aware of the boxes on the left in the calculator, then choose the number of phases 1, 2 or 3, this parameter only applies to when you choose AC current, then enter the power factor, if you do not know what power factor the load has you can see some here.Continue entering the voltage, this section is very important, you must enter the voltage indicated by the table to the left (line-line voltage or line-neutral voltage), otherwise the result may not be correct, finally you give “Calculate” and then if you want to perform another “restart” calculation.Rating Amp to kW calculator: Calculadoras relacionadas:Horsepower To Kw Calculator - Online Calculators
Amps = (kW × 1000) ÷ Volts. In three-phase AC systems, use Amps = (kW × 1000) ÷ (Volts × Power Factor × √3). Ensure voltage matches the system’s operational range (e.g., 120V residential or 480V industrial).How Does AC vs DC Affect kW to Amp Conversion?DC conversions ignore power factor and phase, using a linear formula. AC systems require power factor (typically 0.8-0.95) to account for reactive power. Three-phase AC adds √3 (≈1.732) to the denominator. Misapplying AC/DC rules causes errors—e.g., using DC math for motor-driven equipment undervalues ampacity by 20-30%.System TypeKey VariablesExample CalculationSingle-Phase ACVoltage, Power Factor7.5 kW ÷ (240V × 0.95) = 32.89AThree-Phase ACVoltage, PF, √315 kW ÷ (415V × 0.85 × 1.732) = 24.73ADCVoltage Only5 kW ÷ 48V = 104.17AHow to Convert kW to Amps in Three-Phase Systems?Multiply kW by 1000, then divide by (Volts × Power Factor × √3). Example: 10 kW at 400V with 0.9 PF equals 10,000 ÷ (400 × 0.9 × 1.732) ≈ 16.02A. Industrial calculators often preload √3, requiring only kW, voltage, and PF. Neutral line calculations may differ in unbalanced loads.What Are Common kW to Amps Calculation Examples?Example 1: 5 kW DC system at 48V → 5000 ÷ 48 = 104.17A.Example 2: 7.5 kW single-phase AC at 240V, 0.95 PF → 7500 ÷ (240 × 0.95) = 32.89A.Example 3: 15 kW three-phase AC at 415V, 0.85 PF → 15,000 ÷ (415 × 0.85 × 1.732) ≈ 24.73A.How to Use a kW to Amps Calculator Effectively?Select calculators that differentiate AC/DC and phases. Input. What is an Amps to kW Converter? The Amps to kW Calculator is a calculator that calculatesComments
To use the calculator, select the current type, enter the power in kilowatts, voltage in volts, and power factor (if applicable). For AC three phase systems, choose between line to line or line to neutral voltage. Click “Calculate” to display the results in the output section. Click “Reset” to clear all fields and start a new calculation. Like this? Please share:Amps to kW calculator ►Calculation of Amperage from DC KilowattsI(A) = 1000 × P(kW)V(V), whereI(A) – electric current in amperes (A);P(kW) – electrical power in kilowatts (kW);V(V) – voltage in volts (V).How to Calculate Amps from AC Single-Phase KilowattsI(A) = 1000 × P(kW)PF × V(V), whereI(A) – electric current I in amps (A).P(kW) – power in kilowatts (kW);PF – power factor;V(V) – RMS voltage in volts (V);AC Three Phase Kilowatts to Amps CalculationLine-to-Line Voltage Calculation I(A) = 1000 × P(kW)√3× PF × VL-L(V), whereI(A) – phase current in amperes (A);P(kW) – electrical power in kilowatts (kW);PF – power factor;VL-L (V) – line to line RMS voltage in volts (V).Calculation with Line to Neutral Voltage I(A) = 1000 × P(kW)3 × PF × VL-N(V)I(A) – phase current in amps (A);P(kW) – power in kilowatts (kW);PF – power factor;VL-N (V) – line to neutral RMS voltage volts (V).Typical Power Factor ValuesHere are typical power factor values in table:Device/LoadPower FactorIncandescent lamps1.0Resistive loads1.0Synchronous motors0.8-0.95Induction motors (small)0.7-0.8Induction motors (large)0.85-0.95Transformers0.8-0.95Fluorescent lighting (magnetic ballast)0.7-0.9Fluorescent lighting (electronic ballast)0.9-0.99Computers and electronics0.6-0.8UPS0.7-0.9Welding Machine0.6-0.8Air Conditioner0.85-0.95Table 1 – typical power factor valueskW to Amps Conversion TablesDC Kilowatts to Amps (kW to Amps)Here
2025-04-11Find More Calculator ☟ Historical BackgroundThe calculation of power from rotational speed and torque is a fundamental aspect of mechanical engineering, especially when dealing with engines and motors. The concept of torque and rotational power is critical in many industries, including automotive, manufacturing, and energy generation. Understanding how to convert these values into practical units like kilowatts (kW) is key to evaluating engine performance, motor efficiency, and machine output.Calculation FormulaThe formula to convert RPM (Revolutions Per Minute) and torque (in Newton meters) to power in kilowatts is:\[\text{Power (kW)} = \frac{\text{Torque (Nm)} \times \text{RPM} \times \pi}{30,000}\]Where:Torque (Nm) is the rotational force applied.RPM is the number of revolutions per minute.The constant \(\pi\) and factor 30,000 are used to convert the rotational measurements to power in kilowatts.Example CalculationIf the torque is 50 Nm and the RPM is 3000:\[\text{Power (kW)} = \frac{50 \times 3000 \times \pi}{30,000} \approx 15.71 \text{ kW}\]Importance and Usage ScenariosConverting RPM to kW is vital in a range of scenarios where determining the power output of a rotating system is necessary:Automotive Industry: To evaluate engine performance in cars or other vehicles.Industrial Machinery: To determine the efficiency of motors and generators.Renewable Energy: To calculate the power produced by wind turbines or other rotational energy systems.Common FAQsWhat is torque?Torque is the rotational force applied around an axis. It is measured in Newton meters (Nm).Why convert RPM to kW?Converting RPM to kW helps in understanding the power output of engines and motors in a standard power unit, which is crucial for comparing and optimizing performance.Is this calculator suitable for all engines?Yes, this calculation is applicable for any rotary engine or motor where you know the torque and rotational speed.This calculator makes it easy to determine the power output of rotating systems, providing a quick and reliable method to assess the efficiency and performance of engines and motors.
2025-04-12A compressor has a power of 84kW, how much power in Hp will the motor have?Answer: // To move from mechanical kW to Hp you simply have to divide the kW by the constant 0.745699, which will result in: 2.609kW.Common efficiencies for engines:Electric motors built according to NEMA Design B must meet the following efficiencies: HpMinimum Nominal Efficiency 1)1 – 478.8%5 – 984.0%10 – 1985.5%20 – 4988.5%50 – 9990.2%100 – 12491.7%> 12592.4%1) Design NEMA B, individual speed 1200, 1800, 3600 RPM. Open drip-proof (ODP) or fully enclosed fan-cooled (TEFC) 1 hp and larger motors that operate more than 500 hours per year.kW to Hp, table for conversion, equivalence, transformation:Equivalence of kW to Hp for three-phase motors:How many kW are:Equivalence in Hp:How many are 0.1 kW0.12 kW0.18 kW0.25 kW0.37 kW0.56 kW0.75 kW1.1 kW1.5 kW2.2 kW3.0 kW3.7 kW4.0 kW5.5 kW7.5 kW9.3 kW10 kW11 kW15 kW18 kW22 kW30 kW37 kW45 kW55 kW75 kW90 kW110 kW130 kW150 kWEquivalent to 1/81/61/41/31/23/411.523455.57.51012.513.51520253040506075100125150175200Equivalence of kW to Hp for single-phase motors:How many kW are:Equivalence in Hp:How many are 0.07 kW0.1 kW0.12 kW0.18 kW0.25 kW0.37 kW0.56 kW0.75 kWEquivalent to 1/121/81/61/41/31/23/411.1 kW1.5 kW2.2 kW3 kW3.7 kW4 kW5.5 kW7.5 kW1.523455.57.510The tables are based on engines of approximately 1450rpm efficiency and average power factor.Wide variations of these tables can arise, especially in single-phase motors, therefore engineers should, whenever possible, check the motor nameplate in each case.Qualify calculator from kW to HP: Calculadoras relacionadas:Volts to kilovolts - Calculator and conversion, table, examples and formulaVA to kW - How to calculate, conversion, formula, equation
2025-04-04