One kilowatt hour is the amount of energy that would be converted by a one thousand watt appliance when used for one hour example. Electric companies charge by the kilowatt hour, which is a measure of electrical consumption over time. Put simply, it refers to the use of power over a period of time for example a 1 kw drill used for an hour will use 1 kwh. Green power equivalency calculator calculations and references. A 100watt light bulb left on for 10 hours consumes watthours, or 1 kilowatt hour. Enter the horsepower and the appropriate amount of time, and the number of kilowatt hours will be displayed. Department of energy, energy efficiency and renewable energy division.
It has two text fields and two buttons which perform different functions in the calculator. In this video, the cost of operating a 6 mw electrical motor for a week will be calculated. Megawatthours to kilowatthours conversion mwh to kwh. Convert kilowatt hours to watt hours energy converter. The ohio department of taxation has extended filing and payment deadlines for ohios income tax. Kilowatthour tax ohio department of taxation excise. Green power equivalency calculator calculations and. In order to convert amps to kilowatt hours, you must also know the voltage and time. One kilowatt hour is the amount of energy that would be converted by a one thousand watt appliance when used for one hour example a consumer uses a 6 kw immersion heater, a 4 kw electric stove and three 100 watt lamps for 10 hours. Watts to kilowatthours kwh electrical conversion calculator. The kilowatthour tax was created by the ohio general assembly in 2001 as part of a broader legislative effort to deregulate electric utilities. The difference between kwh and kw and mwh and mw 5 replies.
The greatest mistake tends to be that most people will use the kilowatt hour together with a kilowatt. The easiest way to illustrate a kilowatthour is to use the example of a 100watt light bulb. Specific kilowatt hour to gigawatt hour conversion results. An adjustment, applied to each kilowatthour, to recover the costs incurred by comed for providing energy efficiency and demand response activities, programs, and measures. Total wattage is known in cell d8 wattage is used 24 hours per day. Oct 23, 2017 in this video we learn what a kwh is, the kilowatt hour is used for energy bills and related to the amount of electricity consumed by electrical items. A simple online calculator to convert kilowatthourskwh to kilobtuskbtu and vice versa. By implementing the watthour meter, we can know how much amount of electrical energy is used by a consumer or a residence or an electrically powered. If the current type was ac single phase, you can enter 100 amps and 80 volts in the required cells.
This page describes the calculations used to convert green power electricity kilowatthours into various types of equivalencies. Due to rounding, performing the calculations given in the equation below may not return the exact results shown. A watt measures the rate at which electrical power is used or generated. A kilowatthour, expressed as kwh, is a measure of energy that is equivalent to 1,000 watts of power for a 1 hour time period. The kilowatt hour kwh is a derived unit of energy which is equivalent to 3. Kilowatt hours are a measurement of energy and are used to calculate how much work can be done in an hour with one kilowatt 1,000 wattsof power. Determining the cost of electricity at a natural gas generator calculate the cost of power. The kilowatt hour tax was created by the ohio general assembly in 2001 as part of a broader legislative effort to deregulate electric utilities. The kilowatt hour kwh because the joule is so small, electrical energy supplied to consumers is bought by the unit. Kilowatt hours are a measurement of energy and are used to calculate how much work can be done in an hour with one kilowatt1,000 wattsof power.
This tool converts tons to kilowatts ton to kw and vice versa. Average time in defrost per day hrs number of days used. Thus, if a 1,000 watt 1 kw microwave is left running for 41. You can then enter the time in hours in the next cell before clicking. Multiply this number by the kwh to find the amount you can expect to pay. It is a conversion calculator which converts the power in kilowatts and time in hours to the energy in kilowatthours. The tax applies to electric distribution companies with end users in ohio, as well as certain selfassessing commercial or. This label lists the maximum amount of power the appliance can draw.
Rider eepp pdf rider epa pdf current energy efficiency adjustments pdf rider fca. How to convert kilowatt hours to megawatt hours kwh to mwh. If you are one of them, fear not, this article should set you straight. The next text field gives you an option of entering the current in amps while the other. And the kilowatt kw is a measure of power too one kw being watts. To determine how much energy an electronic device uses over a period of time, you must convert watts into kilowatt hours. A lot of people, energy professionals included, dont fully understand the difference between kw and kwh. In comparison, a kilowatthour is a unit of energy equivalent to one kilowatt of power expended for one hour of time. A simple online calculator to convert kilowatt hourskwh to kilobtuskbtu and vice versa. Which appliances use the most electricity to calculate just how much electricity your home uses, select the number of appliances, and the number of hours it is used. Jan 02, 2019 watts and kilowatts refer to different quantities of the same thing energy. Use our free kilowatt hour cost calculator to quickly perform your calculations. Our appliance and electronic energy use calculator allows you to estimate your annual energy use and cost to operate specific products. It is a conversion calculator which changes the current in amps a and the voltage in volts v to power results in kilowatts kw.
The first cell requires you to fill in the power in kilowatts. If you run that drill for one hour, youll have used up one kilowatt of energy for that hour, or one kwh. In comparison, a kilowatt hour is a unit of energy equivalent to one kilowatt of power expended for one hour of time. A 100watt light bulb left on for 10 hours consumes watthours, or 1 kilowatthour. How many units kwh of electrical energy have been converted. In this video we learn what a kwh is, the kilowatt hour is used for energy bills and related to the amount of electricity consumed by electrical items. So, if you have a 1,000 watt drill, it takes 1,000 watts or one kw to make it work.
If you want to know how many kilowatt hours kwh of electricity the devices uses in an hour, or a day, or longer, just leave everything set up and read the display later. Enter a wattage value for your own product for the most accurate estimate. Convert kilowatt hours to gigawatt hours energy conversion. Kilowatt hour abbreviated as kwh is a derived unit of electrical power equal to 3. How to convert watts into kilowatt hours sciencing. The ohio department of taxation provides the collection and administration of most state taxes, several local taxes and the oversight of real property taxation in ohio. A kilowatt hour is a measure of electrical energy equal to one kilowatt, or 1,000 watts, of power over a one hour period. Watts to kwh converter energy in kilowatt hour calculator. If the energy is being transmitted at a constant power over a period of time, the total energy in kilowatt hours is the product of the power in kilowatts and the time in hours. Ampere hours abbreviated as ah or amphour is the amount of electrical energy present in the battery that allows one unit of current to flow for one hour. We also have a kilowatt hour to kbtu conversion table for quick reference. Ampere is a unit of electrical current and hour is the unit of time. Nov 20, 2018 after a onehour stroll through quiviras gardens, the bolt was supplied with another 7.
Online kilowatt hours to gigawatt hours conversion calculator. The enzo went nearly 1,000 miles on its journey, versus the golfs 420 miles. The power p in kilowatts kw is equal to the current i in amps a, times the voltage v in volts v divided by. Energy measurements and conversion iowa state university. Jul 17, 2017 electric companies charge by the kilowatt hour, which is a measure of electrical consumption over time. Most household appliances have a wattage label on the back or bottom. Energy calculations, and energy saving, become much easier when you understand the difference between a kw and a kwh. Easily convert kilowatt hours to watt hours, convert kwh to wh. Electricity providers use kilowatt hours when billing their customers each. You can view more details on each measurement unit. The kilowatthour is commonly used as a billing unit for energy delivered to consumers by electric utilities. The unit will also project, in real time, the cost of continued use of the appliance in time periods of hour, day, week, month, and year. Estimating appliance and home electronic energy use. If you have noticed that your electric utility bills have been steadily increasing, you can easily figure out how much each of your appliances and other gadgets costs to run.
Joules to kilowatthours conversion j to kwh inch calculator. Peco has certified to the pennsylvania public utility commission that this is an accurate electronic representation of the tariffs, which are officially filed at the commission. Apr 03, 2017 a kilowatthour is a measure of the amount of energy a certain machine needs to run for one hour. A kilowatthour or kwh is the unit of energy utility companies use to measure how much gas and electricity youre using. Average time in defrost per day hrs 40% savings with icube. For example, if you have 100 amps and 80 volt with a direct current, then your power result in kilowatts will be 8 kw. Watthour meter is in fact a measuring device which can evaluate and records the electrical power passing through a circuit in a certain time. The kilowatthour is a buildings consumption, or how much energy its using over a given period of time. It can either be direct current denoted as dc or alternating current ac. The energy e in kilowatthours kwh is equal to the power p in watts w, times the time period t in hours hr divided by. We assume you are converting between kilowatt and kilogramforce meterhour. The power p in kilowatts kw is equal to the power factor pf times the phase current i in amps a, times the rms voltage v in. The greatest mistake tends to be that most people will use the kilowatthour together with a kilowatt.
Convert joules to kilowatthours j to kwh with the energy conversion calculator, and learn the joule to kilowatthour calculation formula. Determine the power generated by the generator in kilowatt hours per hour kwh hour. A kilowatt is a metric that equals 1,000 watts of power. How to convert kilowatt hours to megawatt hours kwh to mwh e mwh 0. Enter the horsepower and the appropriate amount of time, and the number of kilowatthours will be displayed. To link to this energy kilowatt hour to gigawatt hours units converter, only cut and paste the following code into your html. Things that generate power items of equipment like boilers, electricity generators, and wind turbines, take energy in one form e. Exercise extreme caution when working around all agricultural electrical circuits. How would one write an ms excel formula for total kilowatt hours kwh, given that. For those looking for a ballpark estimate as to what a solar installation would cost for their home, try our solar calculator for some instant insight. The filing and payment extension is available to those filing the ohio individual income tax, school district income tax, pass through entity and fiduciary income tax, and muni net profit taxpayers that have opted in to the states centralized filing system. A kwh equals the amount of energy you would use by keeping a 1,000 watt appliance running for one hour.
Use this online ah to kwh conversion calculator to convert ampere hour to kilowatt hour. The energy e in kilowatt hours kwh per day is equal to the power p in watts w times number of usage hours per day t divided by watts per kilowatt. Convert kilowatthours to kilobtus kilowatt hour to kbtu. This calculator is useful both for those whos working in these fields of activity but also for students who study energies as kwh kilowatthour and joules at school. One kilowatthour kwh is the amount of electricity used in one hour at a rate of watts, and is the unit commonly used to measure electrical power.
A kilowatthour, otherwise known as a kwh, is a way to measure how much energy youre using. You can then enter the power factor which should range from 0 to 1. Kilowatt hours to megawatt hours kwh to mwh energy heat. Wattage, in turn, indicates how much power a device can provide a relative amount of time. Dec 31, 2014 the kilowatthour kwh distance travelled mi even though both cars were driving for the same number of hours the h in kwh, the amount of distance they covered was drastically different. One kilowatt hour kwh is the amount of electricity used in one hour at a rate of watts, and is the unit commonly used to measure electrical power. The user must fill one of the two fields and the conversion will become automatically. Determining the cost of electricity of a natural gas generator. For example, if you ran a 100watt bulb for ten hours, you would use one kilowatt hour of electricity. The p4460 kill a watt ez is an easy to use consumer power meter allowing the user to accurately measure power consumption of household appliances and to determine the actual cost of power consumed. Current electric rate information peco an exelon company.
The easiest way to illustrate a kilowatt hour is to use the example of a 100watt light bulb. Determining the difference between kw and kwh is essential, but so is understanding how theyre treated differently on your electricity bill. Its not the number of kilowatts youre using in an hour, even though that seems to make sense. Convert kilowatt to kilogramforce meterhour conversion of. If energy costs 17 centskwh, running the fan will cost 0. It is a conversion calculator which converts the power in kilowatts and time in hours to the energy in kilowatt hours. To estimate total energy use, youll want to convert this to. Thus, to convert watts to kilowatthours, multiply the power in watts by the number of hours, then divide by 1,000. Kilowatt hours are a measure of electrical work performed over a period of time, and are often used as a way of measuring energy usage by electric companies. You are currently converting energy units from kilowatt hour to watt hour 1 kwh wh.