Kw calculator

Author: o | 2025-04-25

What is an Amps to kW Converter? The Amps to kW Calculator is a calculator that calculates

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 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.

Volts to kW Calculator - calculator

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, equation. 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

Amps to kW – Ampere (A) to Kilowatts (kW) Calculator

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: Convert kilowatts (kW) to kilovolt-amps (kVA) by entering the power and power factor in the form below. Kilovolt-Amps Results: Learn how we calculated this below scroll down On this page: kW to kVA Calculator How to Convert KW to kVA kW to kVA Formula kW to kVA Conversion Chart How to Convert KW to kVAKilowatts and kilovolt-amps are both a measure of power, but they’re a little different. Kilowatts (kW) measure the real power in an electrical circuit, while kilovolt-amps (kVA) measure the apparent power.In electrical equipment with an inductive characteristic, such as a generator or transformer, the real power and apparent power are often not equal.Real power is the amount of power that does real work in the circuit and is always the same or less than the apparent power. Apparent power is determined by the magnitude of voltage and current that must be transmitted to the device.For reactive (inductive and/or capacitive) loads, electrical energy is stored in the device and pushed back to the power supply as opposed to doing real work. This phenomenon is called reactive power and is measured in kilovolt-amps-reactive (kVAR). Therefore, typically we try to maximize the real power and minimize reactive power.The ratio of real power to apparent power is called the power factor (PF) and is between 0 and 1, where 1 is a pure resistive load and both inductive and capacitive loads have a PF less than 1.To convert from kilowatts to kilovolt-amps considering all of this, you’ll need a simple formula.kW to kVA FormulaThe formula to convert kW to kVA accounting for the power factor is:S(kVA) = P(kW) ÷ PFThe apparent power S in kVA is equal to the real power P in kW divided by the power factor PF.To convert to kVA, substitute the power in kW and the equipment power factor in the formula above.For example, let’s find the apparent power in kVA for a 10 kW electric motor with a power factor of 0.8.S(kVA) = 10 kW ÷ 0.8S(kVA) = 12.5 kVAIn this example, 10 kilowatts with a power factor of 0.8 is equivalent to 12.5 kilovolt-amps.kW to kVA Conversion ChartThis chart shows kilovolt-amps (kVA) converted to kilowatt (kW) ratings for equipment with a power factor of 0.8.Equivalent kW and kVA ratings given a power factor of 0.8.kWkVA5 kW6.3 kVA7.5 kW9.4 kVA10 kW12.5 kVA15 kW18.7 kVA20 kW25 kVA25 kW31.3 kVA30 kW37.5 kVA40 kW50 kVA50 kW62.5 kVA60 kW75 kVA75 kW93.8 kVA80 kW100 kVA100 kW125 kVA125 kW156 kVA150 kW187 kVA175 kW219 kVA200 kW250 kVA250 kW312 kVA300 kW375 kVA350 kW438 kVA400 kW500 kVA500 kW625 kVA600 kW750 kVA700 kW875 kVA800 kW1,000 kVA900 kW1,125 kVA1,000 kW1,250 kVA1,250 kW1,563 kVA1,500 kW1,875 kVA1,750 kW2,188 kVA2,000 kW2,500 kVA2,250 kW2,812 kVAYou might also be interested in our kVA to kW calculator.

Power Calculator for Generators: Convert kVA to kW, kW to kVA, kW

By 25% accommodates irradiance fluctuations and prevents voltage drop losses in long runs.“Accurate kW-to-amp conversion isn’t just math—it’s safety. I’ve seen projects fail inspection due to ignored power factor in motor loads. Always cross-validate calculator results with manual formulas, especially for three-phase industrial setups.”— Senior Electrical Engineer, PowerGrid SolutionsConclusionMastering kW to amps conversion requires understanding system types, voltages, and power factors. Use calculators as aids, but validate critical loads manually. Prioritize safety margins in wire and breaker selection to handle real-world variances.FAQWhy Does Voltage Matter in kW to Amps Conversion?Voltage inversely affects current. Higher voltage reduces amps for the same power, impacting conductor sizing and circuit protection.Can I Use the Same Formula for AC and DC Systems?No. DC systems exclude power factor. AC requires PF, and three-phase AC adds √3 to the formula.How Accurate Are Online kW to Amps Calculators?Most are precise if inputs are correct. Verify against manual calculations for critical applications, like industrial machinery or solar installations.What Happens If I Ignore Power Factor in AC Conversions?Current is underestimated, leading to undersized wires and potential overheating. Assume 0.8-0.95 PF if unspecified.Is Manual Calculation Better Than Using a Calculator?Calculators save time but may lack context (e.g., continuous loads). Manual checks add reliability, especially for high-stakes projects.

Kva 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 calculates

Horsepower To Kw Calculator - Online Calculators

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