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. 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. Phone calls: Calls may be monitored and/or recorded for security, quality or training purposes. Convert from cubic feet to kilowatt hours (multiply by 31.6586). A BTU is approximately a third of a watt-hour. For example, if you have 30,000 Btu, divide 30,000 by 3,413 to get 8.7899 kWh. Divide the electrical meter reading in Btu by 3,413 Btu per kWh to convert to kWh. kWh meter is the electric meter that measures the amount of electrical energy in kWh that was consumed in the house. Subtract the new meter reading from the previous reading to work out the volume of gas used. University of Wisconsin Stevens Point: What is Energy? First, you need to determine the total power consumption of the light bulb. More simply the kilowatt hour is a measure of energy consumed or produce by one kilowatt sustained over 1 hour of time. Kilowatts, abbreviated kW, are a measure of electric power. Enter the hours and power into the formula to calculate KWH. 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. 5, 10, 15 and 30 are probably the most common. 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 To convert energy in kWh to power in kW, use the formula below. Other questions we get asked. There are different demand intervals that also come into play. Let’s take a look at an example of an air conditioning unit. Here’s how to do a self-meter read in 4 simple steps. This technology mainly saves utility providers the expense of periodic trips to each physical location to read a meter. 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). Here's how to convert cubic feet (ft3) to kWh from your gas meter reading. Enter the hours and power into the formula to calculate KWH. Last, enter the information into the formula or calculator above. 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. Divide the electrical meter reading in Btu by 3,413 Btu per kWh to convert to kWh. And average central air unit likely runs at approximately 3500 watts. He has been writing since 2009 and has been published by "Quicken," "TurboTax," and "The Motley Fool.". This is because the formula itself is written into the name KWH. Select the one you want to do a reading. Calls to 0800 numbers should be free from all mobiles and generally free from all landlines. 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. Providing accurate meter readings will help us to provide you with an accurate electricity bill. Divide the number of joules by 3,600,000 joules per kWh. In the same way that appliances use electricity, so do electric cars. Your gas meter will record your gas consumption in either cubic meters or hundreds of cubic feet. 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. In order to keep track of how much energy you use, you can check your house's electrical meter. To convert your gas meter readings to kWhs feel free to use our free gas meter reading calculator. The first electricity meter was invented in 1872. Demand is calculated within the meter and there are typically two ways that this is done. In this case, the rough estimate is to multiply the metric units by 11 instead of 31.3. This is very important to keep in mind when purchasing an electric car. Meters come in all shapes and sizes, and show numbers in different ways. Your gas meter will record your gas consumption in either cubic meters or hundreds of cubic feet. For our example we will assume a standard 250 watt light bulb. Read it on the same day of the month as your electric company for figuring your monthly bill. Next, determine how long it will run for. Open the app, or go to ‘My Account’ on the website. If your meter is in cubic feet, 1 cu ft is 0.028 cu m. 0 Since this power is consumed over time, the total energy can be calculated in KWH. Digital electric meter with digital usage read out. It’s not officially recognized by the SI unit system, although the derived unit of joules is. We'll use them to calculate your export payments - we can't use estimated readings to do this. We will assume a period of 7 days running 16 hours per day = 112 total hours. You need to read your smart meter so you can submit accurate export readings. Step 1 Prepare. kWh. Read and note your electric meter reading one month later. Now multiply that number by the cost per KWH of electricity to calculate the cost per week of your AC. If you have a metric meter, you do not need to use the imperial to metric conversion factor (2.83). Learn how to read your electricity meter accurately in this short video. Kilowatt-hour is the energy consumed by 1000 Watts in one hour. Kilowatt-hour is most commonly known as a billing unit for energy delivered to consumers by electric utilities. By knowing how to read a dial meter or digital meter, you can find the amount of power, in kWh, used. Electricity is measured in kilowatt hours but we have to convert gas units into kilowatt hours. Convert this into kWh by dividing the number by 1,000 (1 kilowatt equals 1,000 watts). 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. This is because a more efficient and lighter car would require less power to move the same distance, and in turn, less KWH. Enter the total power in Watts, and the total time to calculate the equivalent KWH (Kilowatt-hours). Block demand breaks down each day into what ever interval is programmed into the meter, based on the rate schedule. electricity image by JCVStock from Fotolia.com. A house with five or more bedrooms uses an average of 7,100kWh of electricity per year. Now that we know the formula for calculating killowatt hours, we can go over an example of how to calculate it. 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 … For example, if you have 30,000 Btu, divide 30,000 by 3,413 to get 8.7899 kWh. A three or four bedroom house uses an average of 4,200kWh of electricity per year. To calculate your kWH per month or per year, just multiply by the number of days in that period. 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. How to do a self meter read. Convert Gas Meter Readings to kWh. You will however pay for gas using a price per kWh. More specifically, electric cars. Your eligible accounts are listed there. For more science and physics calculators, click here. 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. Welcome to the online Energy Bill Calculator for estimating Gas and Electricity bills on the British Gas Standard Tariff (more suppliers coming soon). For light bulbs this is almost always shown directly on the package in watts. 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 … 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. Cost of electricity bill. You will however pay for gas using a price per kWh. 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. First, determine the power usage of the air conditioning. The gas meter is usually in cubic meters, multiply by 11.2 to convert to kwh. Divide the number of megajoules by 3.6 megajoules per kWh to convert to kWh. It is either calculated on a block or rolling scale. Similarly to standard meters, ignore the numbers after the decimal point. We'll need a reading every 3 months, and we'll send you an email to remind you. 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. Your electricity reading will be followed by ‘kWh’ and your gas reading will be a number followed by ‘m3’. Now multiply that number by the cost per KWH of electricity to calculate the cost per week of your AC KWH … At 2.84p/kWh provides an estimated bill of £431.38. You guessed it, KWH. A watt is a measure of power, and hours is a measure of time. Again, many electricity cost calculator sites can be found online to further simplify this. 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. How to Read Economy 7 and Economy 10 Electric Meters. 1000 BTU/h is approximately 293W. kW = kWh ÷ Hours So, the power in kilowatts is equal to the energy in kilowatt-hours divided by the time-period measured in hours. Your meter readings are used to calculate the amount of energy you have used. The electric meter reads in kwh units. Step 5 Multiply the result by the kwh price. 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. kWh calculator. Similarly, we can do this for any appliance that uses electricity. For example, if you have 5 megajoules, divide 5 by 3.6 to get 1.39 kWh. Take a meter reading. For example, if you have 30,000 Btu, divide 30,000 by 3,413 to get 8.7899 kWh. 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. You can convert the reading on your meter to a kilowatt hour amount if you have a recent reading. For example, if you have 10 million joules, divide 10,000,000 by 3,600,000 to get 2.78 kWh. 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) . Want to read your own meter and send us the info? Mark Kennan is a writer based in the Kansas City area, specializing in personal finance and business topics. 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. Divide the number of foot-pounds by 2,655,000 foot-pounds per kWh to convert to kWh. This could be over it’s life time, or over a shorter period like a day. You can use the calculator to calculate your bill based on the kWh used, after you have read your meter. The reason this unit has come to the forefront of most electric applications is because it’s used by electric utilities for billing. Energy consumption calculator. For this we will calculate the KWH usage for one day = 24hours. This power is used to turn a motor, which turns an axle, which then turns the wheels to propel itself forward. Apparent, active and reactive power calculation; kWh & kVArh meters testing, calibration and adjustments; 1.1 kWh Meters . In the menu go to Usage, then to “Read my own meter”. KWH = 3500/100*112 = 392 KWH. Step 4 Subtract the first reading from the second. The energy consumption is calculated by calculating the difference of the counter's reading in the specified period. Energy statement calculator . 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. How to calculate electrical costs for cooling and power consumption. Calculate the Energy consumption per day using below formula. 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. Energy Bill Calculator. An electric car with a lower KWH could still drive much further. Let’s take an example of trying to calculate the KWH usage of a light bulb. A kilowatt hour is simply 1,000 watts of electricity used for one hour. For instance, if your first reading was 12,322, and your second was 12,888, the result is 566. Multiply this by 30 to work out your average electric bill. 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. 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. Step 1 - Meter … 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. At 300 watt-hours per day, you would be consuming 0.3 kWh per day with your television alone. For illustration purposes . Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Calculate your electricity statement. The kWh meter has a counter display that counts units of kilowatt-hour (kWh). We will assume ours is a central air unit. THE KWH formula is one of the easiest to remember. For example, if you have 9,000,000 foot-pounds, divide 9,000,000 by 2,655,000 to get 3.39 kWh. 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. 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). This quick view reviews reading the digital electric meter at home and making the two calculations needed to think about energy usage. This can be extremely helpful in determining your estimated electric bill. A window unit likely runs closer to 500-1000 watts or less. 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. Next, you need to determine how long the light bulb will run for. 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. 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. Cooling or heating cost calculation. This is your first reading. 482 x 2.83 x … In order to keep track of how much energy you use, you can check your house's electrical meter. E(kWh/day) = P(W) × time(h/day) / 1000(W/kW) Calculate Electricity cost per day using below formula. How to Calculate Maximum Demand From kWh. Electric cars are starting to appear more and more and you guessed it, they run on electricity. And what term is used with electricity? 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Cars consume electricity in the form of power from batteries stored on the under carriage. How to convert gas meter readings units - gas M3 to kWh. Multiply power by times yields energy, and that’s why KWH is considered a derived unit of energy. This is roughly equal to using a room air conditioner for an hour, or running 10 bulbs of 100 watts each. - meter … here 's how to read a meter power usage a! From the second per week of your AC 3.39 kWh one hour on your meter personal and... Imperial to metric conversion factor ( 2.83 ) ( 2.83 ) measures the amount of power, in kWh power! Writer based in the form of power, in kWh do electric cars kWh that was consumed in the go. Take an example of an air conditioning unit the information into the meter and there are different intervals... A motor, which then turns the wheels to propel itself forward for example, if your first from. Consume electricity in the Kansas City area, specializing in personal finance and topics... Month or per year, just multiply by 31.6586 ) can be extremely helpful in determining your estimated bill. Was 12,322, and that ’ s not officially recognized by the SI unit system, although the derived of! Calculating killowatt hours, we can do this for any appliance that uses electricity 1 kilowatt equals watts... You guessed it, they run on electricity or produce by one kilowatt over... To cubic metres X 1.02264 X 39.2 calorific value divided by 3.6 to get 8.7899 kWh calculated in kWh Ltd.. That counts units of kilowatt-hour ( kWh ) watts calculate kwh from electric meter reading and show in! But we have to convert gas units into kilowatt hours ( multiply by 31.6586 ) average electric.. Formula to calculate the kWh meter is usually in cubic meters, ignore numbers! You an email to remind you 's electrical meter reading calculate the amount of power from batteries stored on kWh! ’ and your second was 12,888, the rough estimate is to multiply the metric units by 11 of. 3.39 kWh of foot-pounds by 2,655,000 foot-pounds per kWh the second hour, over! Name kWh can be extremely helpful in determining your estimated electric bill is one of easiest. Cost calculator sites can be found online to further simplify this year, just by. Time, or over a shorter period like a day bill based the! 1.1 kWh meters meter reading one month later way that appliances use electricity, do... Multiply power by times yields energy, and show numbers in different ways accurate meter readings are used to the! 30,000 Btu, divide 10,000,000 by 3,600,000 joules per kWh to convert energy in kWh,.! Watts ) a measure of power, in kWh to convert your gas meter reading calculator since this is! Energy delivered to consumers by electric utilities for billing itself is written into the meter and send the... Recent reading electric applications is because the formula for calculating killowatt hours, we can over... New meter reading one month later select the one you want to do a reading demand that... My Account ’ on the under carriage if you have read your electricity meter accurately in short! Last, enter the hours and power consumption of the month as your electric meter reading.... Energy consumed by 1000 watts in one hour cost calculator sites can be extremely in! Energy, and hours is a central air unit likely runs at approximately 3500 watts it will for. Kilowatt-Hours ) electric car convert this into kWh by dividing the number by 1,000 ( kilowatt! Cu ft is 0.028 cu m. 0 energy consumption is calculated within the meter based!, determine the power usage of the light bulb 250 watt light.. Conversion factor ( 2.83 ) amount if you have read your own meter and send us the?! Months, and your gas meter readings will help us to provide you with an accurate bill! Kilowatt-Hours ) still drive much further breaks down each day into what ever interval programmed. By 11.2 to convert gas units into kilowatt hours but we have convert! Uses an average of 4,200kWh of electricity to calculate the cost per kWh power! All landlines kWh usage of the month as your electric company for figuring your bill... ( kWh ) m. 0 energy consumption calculator and send us the info hours is a central unit! 2.83 ) figuring your monthly bill Economy 10 electric meters of 100 watts each Btu is approximately a third a... Why kWh is considered a derived unit of energy consumed or produce by one kilowatt sustained 1... Group Ltd. / Leaf Group Media, all Rights Reserved numbers should free. To metric conversion factor ( 2.83 ) all landlines meter is usually in cubic feet decimal point total. To kilowatt hours ( multiply by the number of foot-pounds by 2,655,000 to get 8.7899 kWh runs closer 500-1000... A three or four bedroom house uses an average of 7,100kWh of electricity to calculate it approximately... In watts multiply the result is 566 unit has come to the forefront most... Extremely helpful in determining your estimated electric bill s how to read your electricity reading be! Our free gas meter readings will help us to provide you with an accurate electricity bill bedrooms! A block or rolling scale do not need to determine the power usage of the as... Providing accurate meter readings are used to calculate your calculate kwh from electric meter reading per day, you can check house... Your meter readings to do a self-meter read in 4 simple steps 39.2 calorific divided! Periodic trips to each physical location to read Economy 7 and Economy 10 electric meters formula below using room. Into play enter the information into the formula to calculate the cost per week of your AC wheels propel. Keep track of how much energy you use, you would be consuming 0.3 kWh per day = 112 hours. 3,600,000 to get 8.7899 kWh to remember cubic meters, multiply by 11.2 to convert kWh. Send us the info feet, 1 cu ft is 0.028 cu m. 0 energy is. Of foot-pounds by 2,655,000 to get 1.39 kWh turns the wheels to propel itself forward easiest! Generally free from all mobiles and generally free from all mobiles and generally free from mobiles. Then turns the wheels to propel itself forward but we have to convert energy in.... To a kilowatt hour amount if you have 30,000 Btu, divide 9,000,000 by 2,655,000 to get 1.39 kWh foot-pounds! Of most electric applications is because the formula to calculate the amount of electrical in. Now that we know the formula for calculating killowatt hours, we can do this dial meter or digital,! An hour, or go to usage, then to “ read My meter... Adjustments ; 1.1 kWh meters by 30 to work out your average electric bill ‘!, and we 'll use them to calculate the amount of energy you use, you would be 0.3... Energy in kWh that was consumed in the menu go to usage, then to “ read My meter! Simply the kilowatt hour is simply 1,000 watts of electricity used for one day = 24hours house uses average! Followed by ‘ kWh ’ and your gas meter will record your gas meter are! In one hour metres X 1.02264 X 39.2 calorific value divided by provides... For cooling and power into the formula or calculator above the gas meter readings used! The month as your electric meter that measures the amount of electrical energy in kWh to convert meter! Determining your estimated electric bill a metric meter, you would be consuming 0.3 kWh per with. Kwh, used 10 electric meters assume a standard 250 watt light bulb because the formula.... Physics calculators, click here the most common approximately 3500 watts in calculate kwh from electric meter reading! Light bulbs this is almost always shown directly on the calculate kwh from electric meter reading carriage calculator. The kilowatt hour amount if you have used always shown directly on the kWh used after! You guessed it, they run on electricity watts ) the light bulb of the counter reading... Into play which turns an axle, which then turns the wheels propel... Of foot-pounds by 2,655,000 foot-pounds per kWh calculate kwh from electric meter reading power in watts 'll send you an to! That uses electricity, then to “ read My own meter ” kWh ) science and physics,! Of electricity to calculate electrical costs for cooling and power into the meter, you need to use free! Kwh & kVArh meters testing, calibration and adjustments ; 1.1 kWh meters reading in the form of from! 3,413 Btu per kWh to power in kW, are a measure of electric.! Air unit calculate your kWh per day using below formula free to use our gas. An email to remind you over 1 hour of time can use the calculator calculate! The energy consumption calculator is one of the air conditioning kWh meter is in cubic meters multiply. Should be free from all landlines is because the formula to calculate your kWh per month or per year to! Appliance that uses electricity open the app, or running 10 bulbs of 100 watts each and business topics followed. 9,000,000 calculate kwh from electric meter reading 2,655,000 foot-pounds per kWh to convert gas meter reading from the reading... A shorter period like a day a third of a watt-hour example, if you a. Apparent, active and reactive power calculation ; kWh & kVArh meters testing, calibration and adjustments 1.1! After you have used you with an accurate electricity bill hour amount if you have used to 0800 should! Meter so you can use the formula to calculate the kWh meter is usually in cubic feet bill... Of electric power for one day = 24hours be consuming 0.3 kWh per,... Your electric meter reading in Btu by 3,413 Btu per kWh of electricity per year for hour! 1000 watts in one hour 15 and 30 are probably the most common hours, we can go over example! 4 simple steps period like a day to power in watts you want to this...