A kilowatt-hour is a unit of energy. Now that we know the formula for calculating killowatt hours, we can go over an example of how to calculate it. Identifying the amps, volts, and watts for any piece of equipment is critical to confirming compatibility with your building's utilities. The formula can also be simplified to simply KW*hours. Watt is unit of power and power is work done per unit time Power=work /time Work = force *displacement Dimensional formula of Power = MLT^-2 *L/T =ML^2T^-3 watt is the SI unit of power. Basically 1 watt in electrical means power used to move 6.25 ×10 to the power 18 electrons through a potential difference of 1 volt in 1sec. It is the EQUAL power value of 1 watt but in the joules per second power unit alternative. KWH = Watts/1000*hours. An uplink power flux density (at the satellite) due to a 1 watt VSAT transmitter on the ground is typically around -119 dBW/m^2 or 0.0000000000012589 watts per square metre at the satellite height. power has many formulas and many units too but watt is the most basic unit. A volt is a derived unit for electric potential, electromotive force, and electric potential difference. The answer is: 1 W equals 1.00 J/s. For quick reference purposes, below is a conversion table that you can use to convert from microwatts to watts. For example, a current of 2A flowing through a bulb with a voltage of 12V across it generates 24W of power. The watt (symbol: W) is a unit of power.In the International System of Units (SI) it is defined as a derived unit of 1 joule per second, and is used to quantify the rate of energy transfer.In SI base units, the watt is described as kg⋅m 2 ⋅s −3. If you have information for two of those electrical ratings, you can ensure the unit's safe, efficient operation by calculating the missing data. The watt is named after James Watt, an 18th-century Scottish inventor. This is because the formula itself is written into the name KWH. For example, if you have a current of 2 A and a voltage of 5 V, the power is 2A * 5V = 10W. This comes from the equation P = I * V. Where P is the power in Watts, I is the current in Amps and V is the voltage in Volts. The relation between watt and volt is direct. Watts is the SI unit of power. A joule is a unit of energy. How to Calculate with Watts, Amps, Volts, and Ohms. The speed of an object is the magnitude of its velocity. Easily convert speed to watts using this online speed to watts conversion calculator W = V * I. 1.00 J/s is converted to 1 of what? 1 joule of energy is used in lifting a 1 kilogram brick (2.2 pounds) 10 centimeters (3.9 inches). Conversion Table. The joules per second unit number 1.00 J/s converts to 1 W, one watt. How to calculate KWH. Named after James Watt, Watt is the unit of power. In terms of electromagnetism, it is the current flow of one ampere with a voltage of 1 volt. The formula is (A)*(V) = (W). Task: Convert 45,000 microwatts to watts (show work) Formula: microwatts ÷ 1,000,000 = watts Calculations: 45,000 microwatts ÷ 1,000,000 = 0.045 watts Result: 45,000 microwatts is equal to 0.045 watts. Watt is defined as the rate of consumption of energy in an electric circuit where the potential difference is one volt and the current one ampere. Running a 1.2 kilowatt microwave for 1 hour uses 1.2 kW-h of energy. That’s 4.3 megajoules or 4,300,000 joules. How to Calculate Watts. So, to calculate watts, the following formula is used. 0.05 watt / 1 watt Energy is the ability to do work. THE KWH formula is one of the easiest to remember. 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