calculate kwh from electric meter reading

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

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