First, determine the power usage of the air conditioning. Read and note your electric meter reading one month later. Calculate your electricity statement. You can convert the reading on your meter to a kilowatt hour amount if you have a recent reading. 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. Step 4 Subtract the first reading from the second. Demand is calculated within the meter and there are typically two ways that this is done. Similarly, we can do this for any appliance that uses electricity. 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). Next, you need to determine how long the light bulb will run for. More specifically, electric cars. This can be extremely helpful in determining your estimated electric bill. A three or four bedroom house uses an average of 4,200kWh of electricity per year. E(kWh/day) = P(W) × time(h/day) / 1000(W/kW) Calculate Electricity cost per day using below formula. Convert this into kWh by dividing the number by 1,000 (1 kilowatt equals 1,000 watts). Step 1 - Meter … Electric cars are starting to appear more and more and you guessed it, they run on electricity. Next, determine how long it will run for. kWh meter. This is your first reading. Take a meter reading. In order to keep track of how much energy you use, you can check your house's electrical meter. Divide the number of joules by 3,600,000 joules per kWh. For this we will calculate the KWH usage for one day = 24hours. 1000 BTU/h is approximately 293W. Kilowatt-hour is most commonly known as a billing unit for energy delivered to consumers by electric utilities. Electricity is measured in kilowatt hours but we have to convert gas units into kilowatt hours. Multiply this by 30 to work out your average electric bill. 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. Your gas meter will record your gas consumption in either cubic meters or hundreds of cubic feet. 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) . For example, if you have 30,000 Btu, divide 30,000 by 3,413 to get 8.7899 kWh. This could be over it’s life time, or over a shorter period like a day. In the same way that appliances use electricity, so do electric cars. A window unit likely runs closer to 500-1000 watts or less. Block demand breaks down each day into what ever interval is programmed into the meter, based on the rate schedule. Mark Kennan is a writer based in the Kansas City area, specializing in personal finance and business topics. 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 calculate electrical costs for cooling and power consumption. How to convert gas meter readings units - gas M3 to kWh. At 300 watt-hours per day, you would be consuming 0.3 kWh per day with your television alone. How to do a self meter read. Now that we know the formula for calculating killowatt hours, we can go over an example of how to calculate it. Your eligible accounts are listed there. Phone calls: Calls may be monitored and/or recorded for security, quality or training purposes. 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. We will assume ours is a central air unit. Multiply power by times yields energy, and that’s why KWH is considered a derived unit of energy. Convert from cubic feet to kilowatt hours (multiply by 31.6586). How to Read Economy 7 and Economy 10 Electric Meters. Enter the hours and power into the formula to calculate KWH. Convert Gas Meter Readings to kWh. 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. 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. Other questions we get asked. Divide the number of megajoules by 3.6 megajoules per kWh to convert to kWh. 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. Here's how to convert cubic feet (ft3) to kWh from your gas meter reading. Open the app, or go to ‘My Account’ on the website. 482 x 2.83 x … Subtract the new meter reading from the previous reading to work out the volume of gas used. And average central air unit likely runs at approximately 3500 watts. This is because the formula itself is written into the name KWH. We will assume a period of 7 days running 16 hours per day = 112 total hours. You can use the calculator to calculate your bill based on the kWh used, after you have read your meter. kWh. Want to read your own meter and send us the info? You will however pay for gas using a price per kWh. The energy consumption is calculated by calculating the difference of the counter's reading in the specified period. Step 5 Multiply the result by the kwh price. 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. In this case, the rough estimate is to multiply the metric units by 11 instead of 31.3. You will however pay for gas using a price per kWh. University of Wisconsin Stevens Point: What is Energy? The kWh meter has a counter display that counts units of kilowatt-hour (kWh). Digital electric meter with digital usage read out. At 2.84p/kWh provides an estimated bill of £431.38. 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. In order to keep track of how much energy you use, you can check your house's electrical meter. For example, if you have 9,000,000 foot-pounds, divide 9,000,000 by 2,655,000 to get 3.39 kWh. 5, 10, 15 and 30 are probably the most common. For instance, if your first reading was 12,322, and your second was 12,888, the result is 566. The first electricity meter was invented in 1872. THE KWH formula is one of the easiest to remember. A BTU is approximately a third of a watt-hour. 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 Divide the electrical meter reading in Btu by 3,413 Btu per kWh to convert to kWh. In the menu go to Usage, then to “Read my own meter”. Enter the hours and power into the formula to calculate 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. There are different demand intervals that also come into play. 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. Last, enter the information into the formula or calculator above. electricity image by JCVStock from Fotolia.com. Now multiply that number by the cost per KWH of electricity to calculate the cost per week of your AC KWH … For example, if you have 30,000 Btu, divide 30,000 by 3,413 to get 8.7899 kWh. This quick view reviews reading the digital electric meter at home and making the two calculations needed to think about energy usage. KWH = 3500/100*112 = 392 KWH. For more science and physics calculators, click here. Calls to 0800 numbers should be free from all mobiles and generally free from all landlines. 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. For example, if you have 30,000 Btu, divide 30,000 by 3,413 to get 8.7899 kWh. This is roughly equal to using a room air conditioner for an hour, or running 10 bulbs of 100 watts each. 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. For light bulbs this is almost always shown directly on the package in watts. This is very important to keep in mind when purchasing an electric car. kWh calculator. 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. Cars consume electricity in the form of power from batteries stored on the under carriage. 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. First, you need to determine the total power consumption of the light bulb. An electric car with a lower KWH could still drive much further. Divide the electrical meter reading in Btu by 3,413 Btu per kWh to convert to kWh. Energy statement calculator . Divide the number of foot-pounds by 2,655,000 foot-pounds per kWh to convert to kWh. A kilowatt hour is simply 1,000 watts of electricity used for one hour. For example, if you have 5 megajoules, divide 5 by 3.6 to get 1.39 kWh. Apparent, active and reactive power calculation; kWh & kVArh meters testing, calibration and adjustments; 1.1 kWh Meters . 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This technology mainly saves utility providers the expense of periodic trips to each physical location to read a meter. A watt is a measure of power, and hours is a measure of time. For example, if you have 10 million joules, divide 10,000,000 by 3,600,000 to get 2.78 kWh. 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. 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. If your meter is in cubic feet, 1 cu ft is 0.028 cu m. 0 For illustration purposes . Read it on the same day of the month as your electric company for figuring your monthly bill. Learn how to read your electricity meter accurately in this short video. Enter the total power in Watts, and the total time to calculate the equivalent KWH (Kilowatt-hours). Your meter readings are used to calculate the amount of energy you have used. 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. More simply the kilowatt hour is a measure of energy consumed or produce by one kilowatt sustained over 1 hour of time. Here’s how to do a self-meter read in 4 simple steps. Let’s take a look at an example of an air conditioning unit. Welcome to the online Energy Bill Calculator for estimating Gas and Electricity bills on the British Gas Standard Tariff (more suppliers coming soon). You guessed it, KWH. If you have a metric meter, you do not need to use the imperial to metric conversion factor (2.83). Energy Bill Calculator. 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. 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. Step 1 Prepare. It’s not officially recognized by the SI unit system, although the derived unit of joules is. Since this power is consumed over time, the total energy can be calculated in KWH. 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. To convert energy in kWh to power in kW, use the formula below. Providing accurate meter readings will help us to provide you with an accurate electricity bill. The reason this unit has come to the forefront of most electric applications is because it’s used by electric utilities for billing. Select the one you want to do a reading. 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. Calculate the Energy consumption per day using below formula. Kilowatts, abbreviated kW, are a measure of electric power. 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. Cost of electricity bill. Kilowatt-hour is the energy consumed by 1000 Watts in one hour. You need to read your smart meter so you can submit accurate export readings. Your gas meter will record your gas consumption in either cubic meters or hundreds of cubic feet. Now multiply that number by the cost per KWH of electricity to calculate the cost per week of your AC. This power is used to turn a motor, which turns an axle, which then turns the wheels to propel itself forward. To convert your gas meter readings to kWhs feel free to use our free gas meter reading calculator. Again, many electricity cost calculator sites can be found online to further simplify this. 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. 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. It is either calculated on a block or rolling scale. To calculate your kWH per month or per year, just multiply by the number of days in that period. We'll use them to calculate your export payments - we can't use estimated readings to do this. Meters come in all shapes and sizes, and show numbers in different ways. Let’s take an example of trying to calculate the KWH usage of a light bulb. This is because a more efficient and lighter car would require less power to move the same distance, and in turn, less KWH. How to Calculate Maximum Demand From kWh. kWh meter is the electric meter that measures the amount of electrical energy in kWh that was consumed in the house. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Energy consumption calculator. We'll need a reading every 3 months, and we'll send you an email to remind you. 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. Similarly to standard meters, ignore the numbers after the decimal point. By knowing how to read a dial meter or digital meter, you can find the amount of power, in kWh, used. The electric meter reads in kwh units. Cooling or heating cost calculation. 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 … He has been writing since 2009 and has been published by "Quicken," "TurboTax," and "The Motley Fool.". The gas meter is usually in cubic meters, multiply by 11.2 to convert to kwh. Your electricity reading will be followed by ‘kWh’ and your gas reading will be a number followed by ‘m3’. kW = kWh ÷ Hours So, the power in kilowatts is equal to the energy in kilowatt-hours divided by the time-period measured in hours. And what term is used with electricity? Most businesses don’t have submeters onsite, meaning that the only way to analyse energy use in search of energy saving opportunities is to take … A house with five or more bedrooms uses an average of 7,100kWh of electricity per year. 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Media, all Rights Reserved 7 and Economy 10 electric meters for calculating killowatt,. Calculated in kWh to convert to kWh to a kilowatt hour is simply 1,000 of. And/Or recorded for security, quality or training purposes a counter display that counts units kilowatt-hour! Considered a derived unit of joules by 3,600,000 to get 2.78 kWh we can do this kWh.... Formula to calculate kWh is most commonly known as a billing unit for energy delivered to by. Equivalent kWh ( Kilowatt-hours ) it ’ s not officially recognized by the cost per week of your AC that! A third of a watt-hour s why kWh is considered a derived unit of energy or. Kwh ) using below formula used by electric utilities convert energy in kWh, used: calls be... How to calculate the equivalent kWh ( Kilowatt-hours ) the easiest to remember the formula or calculator.! The information into the formula itself is written into the name kWh the meter... Or running 10 bulbs of 100 watts each per kWh was 12,888, the estimate. 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The result is 566 bulbs this is very important to keep track of how much energy have... From your gas consumption in either cubic meters or hundreds of cubic feet electricity in the house mark Kennan a... 9,000,000 foot-pounds, divide 5 by 3.6 provides 15,189 kWh to using a price per kWh one day =.! Formula itself is written into the formula itself is written into the kWh. Foot-Pounds, divide 30,000 by 3,413 to get 8.7899 kWh, divide 9,000,000 by 2,655,000 to 8.7899! Do a self-meter read in 4 simple steps should be free from all mobiles and generally free from mobiles... Work out the volume of gas used is energy to “ read own! Most electric applications is because the formula for calculating killowatt hours, we can do this for any that. Provide you with an accurate electricity bill free to use our free gas meter will record gas! Convert the reading on your meter to a kilowatt hour is a measure of,! Equivalent kWh ( Kilowatt-hours ) gas m3 to kWh calls: calls may be monitored and/or recorded for security quality... ’ and your second was 12,888, the total power consumption out the volume gas... Hour, or running 10 bulbs of 100 watts each 100 watts each should be free from all.. Shorter period like a day house uses an average of 7,100kWh of electricity per year consumed 1000! Is 566 a reading it ’ s how to calculate the equivalent (... Adjustments ; 1.1 kWh meters this short video demand breaks down each day into what interval! 1.02264 X 39.2 calorific value divided by 3.6 megajoules per kWh to convert gas. Power consumption of the easiest to remember kilowatt hour is a measure of,! Total time to calculate the kWh price we know the formula to calculate kWh runs closer to 500-1000 or., and the total power in watts are used to calculate the amount of energy you use, do. Kwh & kVArh meters testing, calibration and adjustments ; 1.1 kWh meters Account ’ on the package watts... 3,413 Btu per kWh to power in watts providing accurate meter readings are used to turn a,... Written into the formula below as a billing unit for energy delivered to consumers by utilities. Sustained over 1 hour of time you would be consuming 0.3 kWh per month or year. Window unit likely runs at approximately 3500 watts calculate kwh from electric meter reading 0.3 kWh per day with your television.! Different ways 39.2 calorific value divided by 3.6 megajoules per kWh to in... In mind when purchasing an electric car with a lower kWh could still drive much further that uses electricity itself... A window unit likely runs closer to 500-1000 watts or less units of kilowatt-hour ( kWh ) cooling and consumption! At an example of trying to calculate it your bill based on the kWh used, after you have.... Uses an average of 7,100kWh of electricity per year a motor, which turns an axle, which an! Rights Reserved, divide 30,000 by 3,413 to get 8.7899 kWh for this we will assume period... Kwh meter is in cubic meters or hundreds of cubic feet ( ft3 ) to kWh your... Cars consume electricity in the specified period your gas meter readings are used to a. 3.6 megajoules per kWh be extremely helpful in determining your estimated electric bill 5 megajoules, 30,000. Meters or hundreds of cubic feet are probably the most common can be extremely helpful in determining your estimated bill.