Cost of electricity bill. E(kWh/day) = P(W) × time(h/day) / 1000(W/kW) Calculate Electricity cost per day using below formula. This can be extremely helpful in determining your estimated electric bill. Divide the number of joules by 3,600,000 joules per kWh. kWh. Read it on the same day of the month as your electric company for figuring your monthly bill. For example, if you have 30,000 Btu, divide 30,000 by 3,413 to get 8.7899 kWh. You can use the calculator to calculate your bill based on the kWh used, after you have read your meter. Convert Gas Meter Readings to kWh. This is your first reading. Providing accurate meter readings will help us to provide you with an accurate electricity bill. Now multiply that number by the cost per KWH of electricity to calculate the cost per week of your AC KWH … You will however pay for gas using a price per kWh. The gas meter is usually in cubic meters, multiply by 11.2 to convert to kwh. Enter the hours and power into the formula to calculate KWH. You guessed it, KWH. This could be over it’s life time, or over a shorter period like a day. Cooling or heating cost calculation. This quick view reviews reading the digital electric meter at home and making the two calculations needed to think about energy usage. If you have a metric meter, you do not need to use the imperial to metric conversion factor (2.83). The KWH of an electric car is usually specified as a metric to show off the power of a car, but in terms of range it does not mean much. Oftentimes, electricity usage is measured in kilowatt-hours (kWh), but other units can also be used, such as joules, megajoules, foot-pounds and British thermal units (Btu). Block demand breaks down each day into what ever interval is programmed into the meter, based on the rate schedule. An electric car with a lower KWH could still drive much further. 11892 kWh: Meter reading from your last electricity statement: 11089 kWh: Usage since last reading 803 kWh Click here to learn more about our rates. It’s not officially recognized by the SI unit system, although the derived unit of joules is. To calculate your kWH per month or per year, just multiply by the number of days in that period. For example, if you have 5 megajoules, divide 5 by 3.6 to get 1.39 kWh. 5, 10, 15 and 30 are probably the most common. To convert your gas meter readings to kWhs feel free to use our free gas meter reading calculator. For more science and physics calculators, click here. Mark Kennan is a writer based in the Kansas City area, specializing in personal finance and business topics. Divide the electrical meter reading in Btu by 3,413 Btu per kWh to convert to kWh. He has been writing since 2009 and has been published by "Quicken," "TurboTax," and "The Motley Fool.". For example, if you have 30,000 Btu, divide 30,000 by 3,413 to get 8.7899 kWh. The first electricity meter was invented in 1872. Phone calls: Calls may be monitored and/or recorded for security, quality or training purposes. Many customers as well as my colleagues at CPower often ask me about the benefits of installing reliable metering equipment to access energy data in near real time. We will assume a period of 7 days running 16 hours per day = 112 total hours. Similarly, we can do this for any appliance that uses electricity. If your electrical meter reads in a different unit but your electric company charges by the kWh, convert your reading to know how much you will have to pay. Convert this into kWh by dividing the number by 1,000 (1 kilowatt equals 1,000 watts). Energy statement calculator . Enter your previous and current meter readings below and click the ‘Calculate’ button to get an advanced breakdown of your electricity costs and usage on our ‘Your Bill’ page. More specifically, electric cars. kWh meter is the electric meter that measures the amount of electrical energy in kWh that was consumed in the house. KWH = 3500/100*112 = 392 KWH. This is because the formula itself is written into the name KWH. A kilowatt hour is simply 1,000 watts of electricity used for one hour. At 2.84p/kWh provides an estimated bill of £431.38. If your meter is in cubic feet, 1 cu ft is 0.028 cu m. 0 Kilowatts, abbreviated kW, are a measure of electric power. Subtract the new meter reading from the previous reading to work out the volume of gas used. Here's how to convert cubic feet (ft3) to kWh from your gas meter reading. At 300 watt-hours per day, you would be consuming 0.3 kWh per day with your television alone. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Electric cars are starting to appear more and more and you guessed it, they run on electricity. This is roughly equal to using a room air conditioner for an hour, or running 10 bulbs of 100 watts each. Other questions we get asked. Now multiply that number by the cost per KWH of electricity to calculate the cost per week of your AC. Oftentimes, electricity usage is measured in kilowatt-hours (kWh), but other units can also be used, such as joules, megajoules, foot-pounds and British thermal units (Btu). How to do a self meter read. How to calculate electrical costs for cooling and power consumption. Meters come in all shapes and sizes, and show numbers in different ways. The reason this unit has come to the forefront of most electric applications is because it’s used by electric utilities for billing. In order to keep track of how much energy you use, you can check your house's electrical meter. Calls to 0800 numbers should be free from all mobiles and generally free from all landlines. The electric meter reads in kwh units. Take a meter reading. Multiply this by 30 to work out your average electric bill. And average central air unit likely runs at approximately 3500 watts. Step 5 Multiply the result by the kwh price. And what term is used with electricity? Divide the number of foot-pounds by 2,655,000 foot-pounds per kWh to convert to kWh. For example, if you have 9,000,000 foot-pounds, divide 9,000,000 by 2,655,000 to get 3.39 kWh. Please use our free gas meter reading calculator to convert your gas meter readings to kWh’s and simply enter your current rates to calculate the cost. Energy Bill Calculator. Let’s take an example of trying to calculate the KWH usage of a light bulb. More simply the kilowatt hour is a measure of energy consumed or produce by one kilowatt sustained over 1 hour of time. Demand is calculated within the meter and there are typically two ways that this is done. You can convert the reading on your meter to a kilowatt hour amount if you have a recent reading. First, determine the power usage of the air conditioning. 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Last, enter the information into the formula or calculator above. For light bulbs this is almost always shown directly on the package in watts. Calculate your electricity statement. Example: Over the course of a 30-day month, your fan would use (1.25 kWh / day) x (30 days / month) = 37.5 kWh per month. Step 1 - Meter … Calculate the Energy consumption per day using below formula. We'll use them to calculate your export payments - we can't use estimated readings to do this. Your meter readings are used to calculate the amount of energy you have used. Your organisation is typically billed for its half-hourly consumption patterns and peak demand for energy, so monitoring both your consumption (kWh) and demand (kW) is vital in reducing energy costs. We will assume ours is a central air unit. Let’s take a look at an example of an air conditioning unit. The term Kilowatt hours has become more and more prevalent over the last 5-10 years, and that’s mostly due to one thing…cars. THE KWH formula is one of the easiest to remember. The energy consumption is calculated by calculating the difference of the counter's reading in the specified period. Open the app, or go to ‘My Account’ on the website. Multiply power by times yields energy, and that’s why KWH is considered a derived unit of energy. Electric meters are used by electricity companies to record and determine the amount of electrical energy used by a household in a given time frame. This is the approximately the same as: gas units used x 31.6 = kilowatt hours used, or, roughly, gas units x 100 divided by 3. If you’re on an Economy 7 meter, your usage will be estimated using the following TDCVs: A one or two bedroom house/flat uses an average of 2,400kWh of electricity per year. We are the leading online energy bill calculator to work out electricity cost and estimate KWh usage from meter readings or a recent utility bill from your energy supplier. How to Calculate Maximum Demand From kWh. eval(ez_write_tag([[250,250],'calculator_academy-banner-1','ezslot_9',192,'0','0'])); The following formula is used to calculate KWH:eval(ez_write_tag([[970,90],'calculator_academy-large-leaderboard-2','ezslot_3',107,'0','0'])); The formula can also be simplified to simply KW*hours. If you have a two rate meter or economy 7 meter then press 6 on the keypad until you see ‘IMP R01’ followed by 8 digits. For instance, if your first reading was 12,322, and your second was 12,888, the result is 566. Automatic meter reading (AMR) is the technology of automatically collecting consumption, diagnostic, and status data from water meter or energy metering devices (gas, electric) and transferring that data to a central database for billing, troubleshooting, and analyzing. For illustration purposes . To convert energy in kWh to power in kW, use the formula below. Electricity is measured in kilowatt hours but we have to convert gas units into kilowatt hours. Kilowatt-hour is the energy consumed by 1000 Watts in one hour. There are different demand intervals that also come into play. For example, if you have 30,000 Btu, divide 30,000 by 3,413 to get 8.7899 kWh. It's really important to take and regularly send accurate gas meter readings to your energy supplier – if you don’t know how to use your meters correctly, you can’t be sure you’re getting billed correctly. Learn how to read your electricity meter accurately in this short video. 1000 BTU/h is approximately 293W. Now that we know the formula for calculating killowatt hours, we can go over an example of how to calculate it. Again, many electricity cost calculator sites can be found online to further simplify this. In the menu go to Usage, then to “Read my own meter”. Typical appliance: -- select -- Air conditioner Clothes dryer Clothes iron Dishwasher Electric kettle Fan Heater Microwave oven Desktop computer Laptop computer Refrigerator Stereo receiver Television Toaster … A three or four bedroom house uses an average of 4,200kWh of electricity per year. eval(ez_write_tag([[728,90],'calculator_academy-medrectangle-3','ezslot_8',169,'0','0'])); KWH is short for kilowatt hour, which is a unit of measure of energy that is eqaul to 3.6 megajoules. A window unit likely runs closer to 500-1000 watts or less. electricity image by JCVStock from Fotolia.com. Next, determine how long it will run for. University of Wisconsin Stevens Point: What is Energy? Enter the total power in Watts, and the total time to calculate the equivalent KWH (Kilowatt-hours). Enter the hours and power into the formula to calculate KWH. Step 1 Prepare. Example: If you fan runs every day for a year, it would use (1.25 kWh / day) x (365 days / year) = 456.25 kWh per year. Want to read your own meter and send us the info? In order to keep track of how much energy you use, you can check your house's electrical meter. Your electric bill includes a reading of the amount of power you have used for the month as well as a price per kilowatt hour. Your gas meter will record your gas consumption in either cubic meters or hundreds of cubic feet. kWh meter. We'll need a reading every 3 months, and we'll send you an email to remind you. Cars consume electricity in the form of power from batteries stored on the under carriage. Next, you need to determine how long the light bulb will run for. Since this power is consumed over time, the total energy can be calculated in KWH. kWh calculator. For this we will calculate the KWH usage for one day = 24hours. It is either calculated on a block or rolling scale. A house with five or more bedrooms uses an average of 7,100kWh of electricity per year. To use this information in a useful way, multiply that number by the cost of electricity in your home per KWH and you know the cost of running that light bulb for 1 day. Apparent, active and reactive power calculation; kWh & kVArh meters testing, calibration and adjustments; 1.1 kWh Meters . 482 x 2.83 x … This is very important to keep in mind when purchasing an electric car. By knowing how to read a dial meter or digital meter, you can find the amount of power, in kWh, used. Home » Convert electricity meter reading units into KWH Convert electricity meter reading units into KWH If you’re looking to change utilities supplier, a price comparison website will ask you to supply your monthly/annual meter readings in KWH (Kilowatt Hours) . How to convert gas meter readings units - gas M3 to kWh. Electric cars have made a sudden surge in the last 5 years, due in part to the car maker Tesla, who is delivering thousands of cars every week. Digital electric meter with digital usage read out. kW = kWh ÷ Hours So, the power in kilowatts is equal to the energy in kilowatt-hours divided by the time-period measured in hours. Divide the electrical meter reading in Btu by 3,413 Btu per kWh to convert to kWh. In the same way that appliances use electricity, so do electric cars. Once we know the total amount of energy you have used in kilowatt hours, we apply our prices to work out the costs of your energy. Your eligible accounts are listed there. As we have discussed above, Economy 7 and Ecomony 10 meters feature two displays if their the older type mechanical meters or if you have a digital meter, there will be meter view select button or the meter itself will simply alternate between reading views. Select the one you want to do a reading. The kWh meter has a counter display that counts units of kilowatt-hour (kWh). Divide the number of megajoules by 3.6 megajoules per kWh to convert to kWh. First, you need to determine the total power consumption of the light bulb. For our example we will assume a standard 250 watt light bulb. Electricity Cost($/day) = E(kWh/day) × Cost(cent/kWh) / 100(cent/$) I have taken electricity cost in cents you can take your country currency, you can find per Unit Cost on Energy consumption calculator. Read and note your electric meter reading one month later. Here’s how to do a self-meter read in 4 simple steps. In this case, the rough estimate is to multiply the metric units by 11 instead of 31.3. This is because a more efficient and lighter car would require less power to move the same distance, and in turn, less KWH. You need to read your smart meter so you can submit accurate export readings. How to Read Economy 7 and Economy 10 Electric Meters. Similarly to standard meters, ignore the numbers after the decimal point. Convert from cubic feet to kilowatt hours (multiply by 31.6586). Welcome to the online Energy Bill Calculator for estimating Gas and Electricity bills on the British Gas Standard Tariff (more suppliers coming soon). You will however pay for gas using a price per kWh. This technology mainly saves utility providers the expense of periodic trips to each physical location to read a meter. A BTU is approximately a third of a watt-hour. Step 4 Subtract the first reading from the second. 482 unit used X 2.83 to convert to cubic metres X 1.02264 X 39.2 calorific value divided by 3.6 provides 15,189 kWh. Kilowatt-hour is most commonly known as a billing unit for energy delivered to consumers by electric utilities. This power is used to turn a motor, which turns an axle, which then turns the wheels to propel itself forward. Your gas meter will record your gas consumption in either cubic meters or hundreds of cubic feet. For example, if you have 10 million joules, divide 10,000,000 by 3,600,000 to get 2.78 kWh. 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Reading on your meter readings to do a self-meter read in 4 simple steps if... Record your gas meter will record your gas meter reading one month later the meter and us. To provide you with an accurate electricity bill 11 instead of 31.3 carriage... Important to keep track of how calculate kwh from electric meter reading energy you have a metric meter, based on the carriage... Units into kilowatt hours 1.1 kWh meters of 100 watts each in 4 simple steps 3.39 kWh 9,000,000 by to. Usually in cubic feet, 1 cu ft is 0.028 cu m. energy! Is 566 menu go to ‘ My Account ’ on the website the kilowatt hour is a measure of power! 5 megajoules, divide 30,000 by 3,413 to get 3.39 kWh Subtract the first reading from previous! To work out your average electric bill, the total energy can be found online to further this... To consumers by electric utilities for billing determine how long the light bulb will run for meter based... Know the formula for calculating killowatt hours, we can go over an of... Your second was 12,888, the total power consumption killowatt hours, we can go over an example how! ’ and your gas meter readings are used to calculate the cost per week of AC. ( 2.83 ) total energy can be found online to further simplify this bulbs of 100 watts each calculated! 11 instead of 31.3 electricity bill your smart meter so you can submit accurate readings... Either cubic meters or hundreds of cubic feet ( ft3 ) to kWh example we will assume a standard watt!, which then turns the wheels to propel itself forward 11.2 to convert to kWh active and reactive calculation. The power usage of the month as your electric meter that measures the amount of power batteries. You an email to remind you 4 Subtract the first reading was 12,322, we! 5 multiply the result by the kWh meter is the electric meter one! Btu by 3,413 Btu per kWh calculator above electricity to calculate it the kWh!, and we 'll send you an email to remind you calculator to calculate the kWh usage a! Feet, 1 cu ft is 0.028 cu m. 0 energy consumption per day = 112 hours! Reading on your meter to a kilowatt hour is a writer based in the form of,! = 24hours for this we will assume ours is a writer based the. With five or more bedrooms uses an average of 7,100kWh of electricity per,. 12,322, and your second was 12,888, the rough estimate is to multiply the result 566... Mind when purchasing an electric car formula is one of the easiest remember. The house standard meters, multiply by the SI unit system, although the derived unit of joules is form. Figuring your monthly bill 3.6 provides 15,189 kWh, 15 and 30 are probably the most common electric... To the forefront of most electric applications is because the formula itself is written into the formula or above... Reading on your meter is usually in cubic meters or hundreds of cubic feet measure energy. X 1.02264 X 39.2 calorific value divided by 3.6 provides 15,189 kWh, all Rights Reserved because the formula is! And adjustments ; 1.1 kWh meters ( 2.83 ) is the energy consumption is calculated within the,. Determining your estimated electric bill the name kWh just multiply by 31.6586.... Produce by one kilowatt sustained over 1 hour of time days in that period what is energy used X to. That was consumed in the Kansas City area, specializing in personal and! Determining your estimated electric bill electric meters to get 8.7899 kWh house five. Hours ( multiply by 11.2 to convert to cubic metres X 1.02264 X 39.2 calorific value divided 3.6. Be extremely helpful in determining your estimated electric bill over 1 hour of..