Use the Watts Calculator to determine your power in watts based on your average pace per 500 meters. The higher the wattage is, the more power and output from the appliance. The most essential of the equations the Speed&Power Calculator is based on: The following equations take into account all of the relevant resistance components: Rolling friction including the dynamic (speed-dependent) rolling friction, air drag including the influence of wind speed, mechanical losses, and uphill/downhill forces. Calculate Power, Current, Voltage or Resistance. Use this power converter to convert instantly between horsepower, kilowatts, megawatts, volt amperes, watts and other metric and imperial power units. Power = Voltage 2 / resistance. The rated power of laptop varies from 30 watts to 120 watts. For instance, if your portable electric heater's label says it draws 8.35 amps when operating, multiply 8.35 amps by 120 V to get about 1,000 watts of demand. This calculator has led to easier conversions from Amps to Watts. Power: Wavelength Photons: per: Add . Given below are the various formulas for calculating Power Factor. A version for US units is here. The SI unit of power is watt, one joule per second. Just enter 2 known values and the calculator will solve for the others. Free Online Solar Panel Calculator & Solar Power Calculator for Designing Off-Grid Solar Power Systems and On-Grid Solar Panel Systems. Watts, VAR , VA (Active, Reactive, Apparent) Power Calculator Apparent power in an AC circuit is the resultant of the active and reactive powers. ... VA Watts … One of cycling performance measures is Functional Threshold Power (FTP). The highest power to weight ratio measured in competition was produced by the former Italian cycling-sport pro Marco Pantani who conquered the legendary ascent of L’Alpe d’Huez in 1997 with 7.2 watts/kg in 37:35 minutes. Watts. com Amplifier power: 80 watts continuous average power @ 4 ohms (2 channels driven, THD 0. It will even offer you … The standards for racing cyclists are also divided into different categories. The formula is. Power calculation from Resistance and Voltage: Power (P) in Watts is equal to Voltage square divided by the resistance. How much wattage do you need for your PC build? Figure out how much power you are consuming. On the home page. Formulas Used. You calculate watts by multiplying the amps by the line voltage, typically 120 V in the United States. How does it work? Welcome to the oldest and most popular bicycle performance prediction calculator on the web - since 1997. … This is a high-end calculator used for calculating power factor.The general formula used in this calculation is PF=P/S, where P - watts, S=V×I - volt-amperes. AC Power is an alternating current electrical energy consumed by the load connected in an electrical circuit, generally measured in horsepower, watts, kilo-watts or kilo-watts-hour. Print this page. Alternatively, enter your watts to determine your average pace per 500 meters. It is possible the information provided by us may not be accurate for non EVGA power supplies of the same wattage. Call Sales : +27 11 397 7373 Whatsapp Sales Online SWR Calculator From Forward and Reflected Power All our transmitters above 30W feature a simple Forward and Reflected power meter on the front panel. Estimate your Power from Speed. Bike Calculator. P (W) = 3 x PF x I (A) x V L-N (V), which means that the power in watts is calculated by three multiplied by the power factor times the phase current in amps by the line to neutral voltage of RMS in Volts (V). Try our Uninterruptible Power Supply Calculator and Selector Tool . You can take the readings from this meter, place the readings measured in watts in the boxes below. A typical PSU calculator works by calculating the power requirements from the Thermal Design Power (TDP) values from some main parts on … ... 0 Watts. AC and DC power systems It is easy to check the existing level of FTP, using a power meter, but It was interesting to know, what is maximum hour power output. Power = Energy / time And this is 488.36 Kilo Watts of power (since 1J/s = 1W) 1758120 kilojoule/hour = 488.36666667 kilowatt hour 488 kwh for 1 hour For 4 hours 488/4 = 122kw For 8 hours 488/8 = 61kw Cooler Master Power Supply Calculator will help you to select a suitable power supply unit for your system. Generator Size Calculator - Your Home Wattage Needs. Electric power is defined as the rate, per unit time, at which an electric circuit transfers its electrical energy. Also, here you can calculate DC Power, AC Power and Energy & power calculator. Effortlessly compute speed or power for all important parameters, such as weight, grade, position and tire type. Our power calculator calculates power in watts, current in Amps, the voltage in volts, and resistance in Ohms. During an emergency is not the time to discover your home's wattage needs. In complex number, S = P + j Q. See the links at right for other calculators. We created this generator size calculator to help you consider your needs and to help you think about what you would like to power during an outage at your home. UPS Selector. Power (P) in Watts is the resistance in ohms times of the current square. The formulas used are: Laptop rated power and power consumption depends on the following factors: Size Of The Screen: The smaller the size of the laptop, less is the wattage and hence less power consumption. A simple online DC power calculator to find out the power from the given values of voltage and current. 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