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