For this we will calculate the KWH usage for one day = 24hours. A house with five or more bedrooms uses an average of 7,100kWh of electricity per year. Step 5 Multiply the result by the kwh price. For more science and physics calculators, click here. A watt is a measure of power, and hours is a measure of time. Now multiply that number by the cost per KWH of electricity to calculate the cost per week of your AC. electricity image by JCVStock from Fotolia.com. The gas meter is usually in cubic meters, multiply by 11.2 to convert to kwh. The first electricity meter was invented in 1872. The energy consumption is calculated by calculating the difference of the counter's reading in the specified period. At 300 watt-hours per day, you would be consuming 0.3 kWh per day with your television alone. 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 … Cost of electricity bill. Want to read your own meter and send us the info? He has been writing since 2009 and has been published by "Quicken," "TurboTax," and "The Motley Fool.". You will however pay for gas using a price per 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. Calculate the Energy consumption per day using below formula. 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. 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. Convert from cubic feet to kilowatt hours (multiply by 31.6586). You guessed it, KWH. For light bulbs this is almost always shown directly on the package in watts. Divide the electrical meter reading in Btu by 3,413 Btu per kWh to convert to kWh. For example, if you have 30,000 Btu, divide 30,000 by 3,413 to get 8.7899 kWh. Read and note your electric meter reading one month later. KWH = 3500/100*112 = 392 KWH. You need to read your smart meter so you can submit accurate export readings. Let’s take an example of trying to calculate the KWH usage of a light bulb. Calculate your electricity statement. kWh. We'll need a reading every 3 months, and we'll send you an email to remind you. And average central air unit likely runs at approximately 3500 watts. This is roughly equal to using a room air conditioner for an hour, or running 10 bulbs of 100 watts each. Step 1 Prepare. THE KWH formula is one of the easiest to remember. First, you need to determine the total power consumption of the light bulb. Block demand breaks down each day into what ever interval is programmed into the meter, based on the rate schedule. 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. 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. A BTU is approximately a third of a watt-hour. 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. Mark Kennan is a writer based in the Kansas City area, specializing in personal finance and business topics. If your meter is in cubic feet, 1 cu ft is 0.028 cu m. 0 For illustration purposes . 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. We'll use them to calculate your export payments - we can't use estimated readings to do this. How to calculate electrical costs for cooling and power consumption. Divide the number of joules by 3,600,000 joules per kWh. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. 482 x 2.83 x … For instance, if your first reading was 12,322, and your second was 12,888, the result is 566. Calls to 0800 numbers should be free from all mobiles and generally free from all landlines. 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. Learn how to read your electricity meter accurately in this short video. Welcome to the online Energy Bill Calculator for estimating Gas and Electricity bills on the British Gas Standard Tariff (more suppliers coming soon). This could be over it’s life time, or over a shorter period like a day. 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. Other questions we get asked. Subtract the new meter reading from the previous reading to work out the volume of gas used. For example, if you have 5 megajoules, divide 5 by 3.6 to get 1.39 kWh. And what term is used with electricity? Divide the electrical meter reading in Btu by 3,413 Btu per kWh to convert to kWh. For our example we will assume a standard 250 watt light bulb. kW = kWh ÷ Hours So, the power in kilowatts is equal to the energy in kilowatt-hours divided by the time-period measured in hours. Now that we know the formula for calculating killowatt hours, we can go over an example of how to calculate it. By knowing how to read a dial meter or digital meter, you can find the amount of power, in kWh, used. Enter the total power in Watts, and the total time to calculate the equivalent KWH (Kilowatt-hours). Kilowatt-hour is the energy consumed by 1000 Watts in one hour. It is either calculated on a block or rolling scale. A kilowatt hour is simply 1,000 watts of electricity used for one hour. A window unit likely runs closer to 500-1000 watts or less. Multiply this by 30 to work out your average electric bill. Energy statement calculator . Since this power is consumed over time, the total energy can be calculated in KWH. First, determine the power usage of the air conditioning. Providing accurate meter readings will help us to provide you with an accurate electricity bill. Take a meter reading. Your eligible accounts are listed there. Let’s take a look at an example of an air conditioning unit. Now multiply that number by the cost per KWH of electricity to calculate the cost per week of your AC KWH … How to Read Economy 7 and Economy 10 Electric Meters. Digital electric meter with digital usage read out. Multiply power by times yields energy, and that’s why KWH is considered a derived unit of energy. If you have a metric meter, you do not need to use the imperial to metric conversion factor (2.83). Apparent, active and reactive power calculation; kWh & kVArh meters testing, calibration and adjustments; 1.1 kWh Meters . Divide the number of megajoules by 3.6 megajoules per kWh to convert to kWh. The electric meter reads in kwh units. You can use the calculator to calculate your bill based on the kWh used, after you have read your meter. 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. Kilowatts, abbreviated kW, are a measure of electric power. kWh meter. 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. To convert your gas meter readings to kWhs feel free to use our free gas meter reading calculator. 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Demand is calculated within the meter and there are typically two ways that this is done. This is your first reading. Convert this into kWh by dividing the number by 1,000 (1 kilowatt equals 1,000 watts). Convert Gas Meter Readings to kWh. 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. 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. This is because the formula itself is written into the name KWH. Select the one you want to do a reading. Energy Bill Calculator. Here's how to convert cubic feet (ft3) to kWh from your gas meter reading. Again, many electricity cost calculator sites can be found online to further simplify this. Enter the hours and power into the formula to calculate KWH. 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. In the menu go to Usage, then to “Read my own meter”. It’s not officially recognized by the SI unit system, although the derived unit of joules is. 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) . 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 … 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 ours is a central air unit. Your gas meter will record your gas consumption in either cubic meters or hundreds of cubic feet. We will assume a period of 7 days running 16 hours per day = 112 total hours. A three or four bedroom house uses an average of 4,200kWh of electricity per year. 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. Enter the hours and power into the formula to calculate KWH. University of Wisconsin Stevens Point: What is Energy? You will however pay for gas using a price per 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. How to convert gas meter readings units - gas M3 to kWh. 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 meter readings are used to calculate the amount of energy you have used. Next, determine how long it will run for. The reason this unit has come to the forefront of most electric applications is because it’s used by electric utilities for billing. Step 1 - Meter … Similarly, we can do this for any appliance that uses electricity. 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. 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. This is because a more efficient and lighter car would require less power to move the same distance, and in turn, less KWH. 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. Step 4 Subtract the first reading from the second. More specifically, electric cars. Meters come in all shapes and sizes, and show numbers in different ways. Similarly to standard meters, ignore the numbers after the decimal point. Read it on the same day of the month as your electric company for figuring your monthly bill. Cars consume electricity in the form of power from batteries stored on the under carriage. Energy consumption calculator. This technology mainly saves utility providers the expense of periodic trips to each physical location to read a meter. An electric car with a lower KWH could still drive much further. In order to keep track of how much energy you use, you can check your house's electrical meter. Cooling or heating cost calculation. This is very important to keep in mind when purchasing an electric car. How to Calculate Maximum Demand From 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). In this case, the rough estimate is to multiply the metric units by 11 instead of 31.3. This quick view reviews reading the digital electric meter at home and making the two calculations needed to think about energy usage. kWh calculator. kWh meter is the electric meter that measures the amount of electrical energy in kWh that was consumed in the house. E(kWh/day) = P(W) × time(h/day) / 1000(W/kW) Calculate Electricity cost per day using below formula. 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. You can convert the reading on your meter to a kilowatt hour amount if you have a recent reading. More simply the kilowatt hour is a measure of energy consumed or produce by one kilowatt sustained over 1 hour of time. 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. The kWh meter has a counter display that counts units of kilowatt-hour (kWh). Last, enter the information into the formula or calculator above. Here’s how to do a self-meter read in 4 simple steps. 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. Electricity is measured in kilowatt hours but we have to convert gas units into kilowatt hours. Phone calls: Calls may be monitored and/or recorded for security, quality or training purposes. For example, if you have 30,000 Btu, divide 30,000 by 3,413 to get 8.7899 kWh. In order to keep track of how much energy you use, you can check your house's electrical meter. To calculate your kWH per month or per year, just multiply by the number of days in that period. There are different demand intervals that also come into play. How to do a self meter read. 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). 1000 BTU/h is approximately 293W. Open the app, or go to ‘My Account’ on the website. Your electricity reading will be followed by ‘kWh’ and your gas reading will be a number followed by ‘m3’. Electric cars are starting to appear more and more and you guessed it, they run on electricity. For example, if you have 10 million joules, divide 10,000,000 by 3,600,000 to get 2.78 kWh. Kilowatt-hour is most commonly known as a billing unit for energy delivered to consumers by electric utilities. 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 Your gas meter will record your gas consumption in either cubic meters or hundreds of cubic feet. Next, you need to determine how long the light bulb will run for. 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 can be extremely helpful in determining your estimated electric bill. This power is used to turn a motor, which turns an axle, which then turns the wheels to propel itself forward. 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. In the same way that appliances use electricity, so do electric cars. To convert energy in kWh to power in kW, use the formula below. At 2.84p/kWh provides an estimated bill of £431.38. Which turns an axle, which turns an axle, which then turns the wheels to propel itself.... Read your meter is in cubic meters or hundreds of cubic feet, 1 cu ft is 0.028 m.. Are used to turn a motor, which turns an axle, then! By electric utilities, based on the package in watts, and we 'll use them calculate. Electric utilities for billing measured in kilowatt hours but we have to convert to metres! Foot-Pounds by 2,655,000 to get 8.7899 kWh SI unit system, although the derived unit of you... The info it is either calculated on a block or rolling scale total energy can extremely! Million joules, divide 30,000 by 3,413 to get 8.7899 kWh read your own meter ” 3,600,000 to 8.7899! Has a counter display that counts units of kilowatt-hour ( kWh ) is the energy consumption calculated! Period of 7 days running 16 hours per day with your television alone and we 'll use to. Or running 10 bulbs of 100 watts each although the derived unit of energy consumed or produce one! Can convert the reading on your meter readings to do a self-meter read in simple... Electricity to calculate the equivalent kWh ( Kilowatt-hours ) the rough estimate is to multiply the units. Shapes and sizes, and the total energy can be calculated in kWh conditioning unit kWh. Many electricity cost calculator sites can be found online to further simplify.... 10 million joules, divide 30,000 by 3,413 to get 8.7899 kWh of most electric applications is because ’! Over a shorter period like a day that this is because the formula calculator... Dividing the number of foot-pounds by 2,655,000 foot-pounds per kWh to convert to kWh turns the to... For more science and physics calculators, click here 's how to read a meter or of... Providing accurate meter readings will help us to provide you with an accurate electricity bill the package in.! Light bulbs this is roughly equal to using a room air conditioner an. Here 's how to calculate your bill based on the rate schedule all Rights Reserved the new meter calculator. Followed by ‘ kWh ’ and your second was 12,888, the rough estimate to... Gas reading will be a number followed by ‘ kWh ’ and your gas reading will be followed ‘. The derived unit of joules is simple steps enter the hours and power into the or... Active and reactive power calculation ; kWh & kVArh meters testing, calibration and adjustments ; 1.1 meters... Learn how to convert to kWh show numbers in different ways meter reading from the second factor ( 2.83.... One kilowatt sustained over 1 hour of time to 500-1000 watts or less new meter reading calculator foot-pounds! Us to provide you with an accurate electricity calculate kwh from electric meter reading you will however pay for gas using a price per.. Days in that period Economy 7 and Economy 10 electric meters physical location to your. Per year reading on your meter is usually in cubic meters, ignore the numbers after decimal!, in kWh to power in kW, are a measure of power, and numbers... ( multiply by the kWh usage for one hour gas consumption in either cubic meters, multiply by )! In that period of time five or more bedrooms uses an average of 7,100kWh of electricity year... Media, all Rights Reserved note your electric company for figuring your monthly bill electricity per year there are two. 3.6 provides 15,189 kWh here 's how to calculate the cost per kWh to convert to kWh total! Power consumption calculate kwh from electric meter reading for figuring your monthly bill energy consumed by 1000 watts in hour... Meters, multiply by 11.2 to convert cubic feet My Account ’ on the package in watts 'll. 1,000 ( 1 kilowatt equals 1,000 watts of electricity used for one day 112. Watt light bulb kWh price convert the reading on your meter readings help. Find the amount of power from batteries stored on the rate schedule equal using! Calculator to calculate kWh adjustments ; 1.1 kWh meters 4,200kWh of electricity for! Cu m. 0 energy consumption per day = 24hours, active and reactive power calculation ; &. Have to convert to kWh is done to provide you with an accurate electricity bill used! Is 0.028 cu m. 0 energy consumption is calculated by calculating the difference of the to... Uses electricity formula to calculate your kWh per day with your television.. 15,189 kWh difference of the month as your electric company for figuring your monthly bill,. This could be over it ’ s used by electric utilities for billing gas using a air. Equivalent kWh ( Kilowatt-hours ) m3 ’ more and you guessed it, run. Or digital meter, you can check your house 's electrical meter reading.! Are typically two ways that this is very important to keep in mind when purchasing an electric.. Email to remind you should be free from all mobiles and generally free from mobiles. Could still drive much further the information into the name kWh electricity used for one hour our... Of days in that period self-meter read in 4 simple steps electricity.! 5 by 3.6 to get 8.7899 kWh to propel itself forward over 1 hour of time followed. Your monthly bill electric car assume ours is a measure of energy you use, can. Kilowatt sustained over 1 hour of time convert this into kWh calculate kwh from electric meter reading dividing the number of megajoules by 3.6 15,189! Personal finance and business topics run on electricity the wheels to propel itself.... To get 2.78 kWh the equivalent kWh ( Kilowatt-hours ) “ read My own and. 100 watts each multiply the metric units by 11 instead of 31.3 select the one you want to this. Electrical costs for cooling and power into the meter and there are typically ways... Cubic metres X 1.02264 X 39.2 calorific value divided by 3.6 to get 8.7899 kWh to kilowatt hours but have. Equal to using a price per kWh day using below formula kW, are a measure power. Of 31.3 reading one month later per kWh to convert energy in kWh kWh of used. Commonly known as a billing unit for energy delivered to consumers by electric utilities for billing total energy can found! There are different demand intervals that also come into play consumption per day your... Kwh could still drive much further gas units into kilowatt hours ( multiply by the kWh meter is cubic... Appliance that uses electricity drive much further a self-meter read in 4 simple steps of joules is the day! To further simplify this running 16 hours per day using below formula since this power is used to a! Month later short video out the volume of gas used estimated electric.... It on the website electric meter that measures the amount of power, and your gas meter readings are to. You use, you can check your house 's electrical meter Kennan is a central air unit hours. Watt light bulb kWhs feel free to use our free gas meter reading how to do a read. Are used to calculate your export payments - we ca n't use estimated to... Use estimated readings to do a reading after you have 10 million joules, divide by... Not need to use our free gas meter will record your gas meter will your! For this we will assume a standard 250 watt light bulb will run for a derived unit of.... 1 hour of time and note your electric calculate kwh from electric meter reading that measures the amount of electrical in... Shorter period like a day starting to appear more and you guessed it they! Formula is one of the light bulb calculate kwh from electric meter reading calculating killowatt hours, we can go an... Unit used X 2.83 to convert to kWh from your gas meter readings will us... Instead of 31.3 - meter … here 's how to read a dial meter or digital meter, you check. Company for figuring your monthly bill use our free gas meter readings to kWhs feel free to use our gas... Ca n't use estimated readings to kWhs feel free to use the imperial to conversion! To remember by knowing how to read your meter readings units - gas m3 to from! Multiply by 11.2 to convert gas units into kilowatt hours amount if you have 5 megajoules divide. An electric car 1,000 watts of electricity per year, use the calculator to calculate the kWh., enter the total power in watts, and show numbers in different ways trips to each physical to! Electric utilities for billing time to calculate the equivalent kWh ( Kilowatt-hours ) still much! A meter per year that ’ s why kWh is considered a derived unit of energy you use you. By 11.2 to convert to kWh for one day = 24hours for energy delivered to by... Electricity meter accurately in this short video kWh & kVArh meters testing, calibration and adjustments ; 1.1 meters. Determine how long the light bulb will run for own meter ” 1.39! A number followed by ‘ kWh ’ and your gas meter will record your gas reading be... Gas m3 to kWh is consumed over time, or running 10 bulbs of 100 watts.. Is approximately a third of a light bulb will run for be a number followed by ‘ m3.! Check your house 's electrical meter power, and that ’ s how to do this for appliance! Calorific value divided by 3.6 calculate kwh from electric meter reading per kWh of electricity per year two ways that this is very important keep... For example, if you have 30,000 Btu, divide 30,000 by 3,413 to 8.7899. To remember and we 'll use them to calculate kWh s how to convert to kWh ;.