E = P t E = P t. Where: E = Energy dissipated in a resistive element in joules. P = Power dissipated in a resistive element in watts. t = The duration of time the energy was dissipated in seconds. By definition 1 watt = 1 joule per second (1 W = 1 J/s). Similarly, you can flip that equation around and it becomes 1 joule = 1 watt for 1 second (1 ... Click on the appropriate electrical engineering calculator tool below to perform basic electrical engineering calculations like: short circuits, transformer fault currents, substation physical electrical clearances, cable voltage drop, power factor corrections, full motor load , conductor ampacity, grounding, lighting design, solar power systems, and more.The microstrip calculator determines the width and length of a microstrip line for a given characteristic impedance (Zo) and electrical length or vice versa. The substrate parameters (ε r and h) and the frequency of interest are required. Synthesize. Enter values for Zo and Electrical Length to determine the physical width and length of the ...The amount of electricity or electric charge is the product of the current strength by the time the current flows. Use our Electrical Work Calculator to easily calculate the work done by an electric current, taking into account voltage, resistance, power, and energy. Perfect for students and professionals in physics and electrical engineering. The amount of electricity or electric charge is the product of the current strength by the time the current flows. Use our Electrical Work Calculator to easily calculate the work done by an electric current, taking into account voltage, resistance, power, and energy. Perfect for students and professionals in physics and electrical engineering. An electronic pocket calculator with a seven-segment liquid-crystal display (LCD) that can perform arithmetic operations A modern scientific calculator with an LCD. An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics.. The first solid-state electronic calculator …Mar 6, 2024 · Multiply the appliance’s wattage and estimated monthly use to find watt-hours consumed. Divide watt-hours consumed by 1,000 to find the appliance’s total kilowatt-hours consumed. Add the monthly electricity consumption of all your appliances together to find your total electricity usage. Calculating your electricity bill by hand takes more ... MacRumors reports that a built-in Calculator app for iPadOS 18 is on the way. By Emma Roth , a news writer who covers the streaming wars, consumer tech, crypto, …Room Cooler 250W. 0. Total load (W) *. Average running load (%) *. Our Power Consumption Calculator is easy to use & helps you know exact total load reqs for your property! Three steps & you're done. Try it now! Unlock the Power of Electrical Calculations with Our Free Online Tools. Welcome to x-calculator.com, where we bring you a toolbox that’s as easy as flipping a switch for your electrical needs! Our collection of electrical calculators is designed to make your calculations a breeze without costing you a dime. Voltage, Current, Resistance ... Voltage Drop Calculator. This is a calculator for the estimation of the voltage drop of an electrical circuit. The "NEC data" tab calculates based on the resistance and reactance data from the National Electrical Code (NEC). The "Estimated resistance" tab calculates based on the resistance data estimated from the wire size.This package was selected based on your energy needs. Please Complete Step 1. Step 3: Order Your Custom Power Station On The Next Page! Plug in your power requirements and the power calculator will help you estimate how much battery capacity you need for van life. Use this calculator to estimate your needs for a DIY campervan electrical system.Meralco Appliance CalculatorIt is the calculation of the combined volume occupied by conducting wires, grounding wires, and other components in an electrical utility box. The main objective of this box fill calculation is to prevent overcrowding in electrical boxes because an overloaded box can result in faults, arcing, or even pose a risk of fire. How To Calculate Box Fill?The flow of electric charge Q is referred to as an electric current I. The amount of charge per unit time is the change in electric current. A current flows at a constant value I. during the time t, it transports the charge Q = I × t. For a temporally constant power, the relationship between the charge and current: I = Q / t or Q = I × t.According to Ohm's Law, power can also be calculated using P = I 2R P = I 2 R or P = V 2 R P = V 2 R. This is why electrical power transmission lines use higher voltages because it will result in less power loss due to heating. Another application is found in a common kitchen appliance: the toaster. Toasters heat bread by passing current to a ... Energy Cost Calculation. The energy cost per day in dollars is equal to the energy consumption E in kWh per day times the energy cost of 1 kWh in cents/kWh divided by 100 cents per dollar: Cost ($/day) = E(kWh/day) × Cost (cent/kWh) / 100 (cent/$) Calculate and estimate your energy costs effortlessly with RapidTables.info's Energy Cost Calculator. Common electrical units used in formulas and equations are: Volt - unit of electrical potential or motive force - potential is required to send one ampere of current through one ohm of resistance; Ohm - unit of resistance - one ohm is the resistance offered to the passage of one ampere when impelled by one volt; Ampere - units of current - one …The App Electrical Calculator - lite consists of 62 Calculators related to Electrical Engineering with formulas and multiple Units.supports both USCS and SI Units of measure. 1.Voltage Calculator 2.Current Calculator 3.Resistance Calculator 4.Power Calculator 5.kVA to amps (Single Phase) with Formu… How to Use the Energy Bill Calculator. Enter your energy usage in kWh. You can find this information on your electricity bill, or estimate your monthly usage based on your appliances and daily activities. Input your current electricity tariff rate. This is usually expressed in pence per kWh and can also be found on your energy bill. Cost per month = (Power consumed) (Energy price) Cost per month = (0.043) (9) Cost per month =$0.36 per month. It is quite convenient to use the kWh calculator cost for various values of different appliances by the electric cost calculator.Welcome to CALCULATOR EDGE, an online FREE Engineering Calculators for Engineers and Students worldwide, Our website features more than few hundred calculators for … Wattage in Watts / 1,000 × Hours Used × Electricity Price per kWh = Cost of Electricity. So, for example, if we have a 40 W lightbulb left on for 12 hours a day and electricity costs $.15 per kilowatt-hour, the calculation is: 40 watts / 1,000 × 12 hours × $.15/kWh = $.072. This electricity cost calculator works out how much electricity a ... To calculate the electrical load in Kwh, we need to know the total number of watts used and the number of hours that those watts are used per day as obtained in previous steps. The formula for calculating Kwh is as follows: Kwh = (Wattage * Usage Hours) / 1000. In this case the electrical load estimate is 65.7 Kwh. Online electrical design calculators for cables, arc flash, maximum demand, motors, tranformers, generators, etc. This calculator determines minimum cable size using the method described by the British Standard BS7671 – 18th Edition – IET Wiring Regulations which is the national standard in the United Kingdom for electrical installation and the safety of electrical wiring.. This is a simple calculator which ignores cable operating temperature and short-circuit rating.Energy Cost Calculation. The energy cost per day in dollars is equal to the energy consumption E in kWh per day times the energy cost of 1 kWh in cents/kWh divided by 100 cents per dollar: Cost ($/day) = E(kWh/day) × Cost (cent/kWh) / 100 (cent/$) Calculate and estimate your energy costs effortlessly with RapidTables.info's Energy Cost Calculator.Mar 20, 2024 · While Electrical Energy (Wh) is accumulative and represents the quantity, if you will, of electricity that has been consumed, generated, or transferred in general, Electrical Power (W) is instantaneous and represents the rate at which that Energy is being transferred. Read more about this here: The difference between kW and kWh Find Electrical Engineering Calculator at CalcTown. Use our free online app Electrical Engineering Calculator to determine all important calculations with parameters and constants.Electrical Calculations is the best app in the electrical sector, it has many calculations that can help you in your work. It can not miss in your smartphone! Wire size, voltage drop, current, voltage, active / apparent / reactive power, power factor, resistance, Maximum wire length, Current carrying capacity of insulated conductors / bare ...ah to kwh calculator. Amp hours to Watt Hours. Amps to KVA Calculator. Amps to Kilowatts Calculator. Free online electrical and electronic calculator and electrical conversion calculator.The Ohm's law calculator is based on the power formula together with the Ohm's Law formula. All you need to do to get the value of power is to type: Voltage …Cost of electricity: £0.25 per 60 minutes. £0.245 per 60 minutes. Electricity costs are calculated using the UK: Price Cap (Apr 2024) electricity rate of £0.24 per kWh (incl. VAT). Calculations exclude the …Voltage drop calculations DC / single phase calculation. The voltage drop V in volts (V) is equal to the wire current I in amps (A) times 2 times one way wire length L in feet (ft) times the wire resistance per 1000 feet R in ohms (Ω/kft) divided by 1000: Electricity Bill Calculator UK. Welcome to Electricity Bill Calculator UK. 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. Enter your previous and current meter readings below and click the ‘Calculate’ button to get ... Dec 22, 2023 · To manually calculate your power consumption, use this formula: Calculate the watts your devices and appliances use per day. Add up the total amount of watts. Convert the watts to kilowatts. There are 1,000 watts in one kilowatt. Estimate the cost by multiplying monthly kilowatts by your electric rate. The formula used for this calculation is as simple as it is effective: Electrical Load (in watts) = Quantity of Devices × Power Rating of Each Device. "Quantity of Devices" refers to the total number of electrical devices in the building, and "Power Rating of Each Device" is the amount of electrical power each device consumes when operating at ...Room Cooler 250W. 0. Total load (W) *. Average running load (%) *. Our Power Consumption Calculator is easy to use & helps you know exact total load reqs for your property! Three steps & you're done. Try it now! The Electrical Consumption Calculator calculates the amount of energy used on a list of appliances, and the cost of electricity used per appliance (if the price per kWh (kiloWatt-hours) is entered), additional information and tips on reducing your energy consumption are available below the calculator. Please provide a rating, it takes seconds ... The Kilowatt-Hour (KWH) is a unit of energy equal to one kilowatt of power consumed for one hour. To calculate it, use the following formula: kWh = (Power Rating in Watts * Hours of Usage) / 1000. Where: Power (in watts) is the rate at which electrical energy is consumed, often represented by the symbol “P.”. Time (in hours) is the duration ...Electricity Bill Calculator UK. Welcome to Electricity Bill Calculator UK. 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. Enter your previous and current meter readings below and click the ‘Calculate’ button to get an advanced …This wire gauge calculator also supports the British Standard Wire Gauge (SWG), also known as the Imperial Wire Gauge or the British Standard Gauge.SWG is not so popular these days, but it is still used to define the thickness of guitar strings, as well as some types of electrical wiring.. SWG is built on the base unit of the mil, which is 0.001 … Online Calculators - RapidTables.info. Online Calculators. Access a versatile and convenient online calculator for quick and accurate calculations. Perform a wide range of mathematical tasks with ease using our user-friendly and efficient online calculator tool. Dec 22, 2023 · To manually calculate your power consumption, use this formula: Calculate the watts your devices and appliances use per day. Add up the total amount of watts. Convert the watts to kilowatts. There are 1,000 watts in one kilowatt. Estimate the cost by multiplying monthly kilowatts by your electric rate. Using the formula, the electrical load can be calculated as: P = 230 V × 10 A. = 2300 W. Understanding how to calculate electrical load is crucial for anyone working with electrical systems. Armed with this knowledge and this calculator, you can now assess the electrical load of various appliances and circuits with greater accuracy and confidence.Electrical Calculations is the best app in the electrical sector, it has many calculations that can help you in your work. It can not miss in your smartphone! Wire size, voltage drop, current, voltage, active / apparent / reactive power, power factor, resistance, Maximum wire length, Current carrying capacity of insulated conductors / bare ...Mar 20, 2024 · While Electrical Energy (Wh) is accumulative and represents the quantity, if you will, of electricity that has been consumed, generated, or transferred in general, Electrical Power (W) is instantaneous and represents the rate at which that Energy is being transferred. Read more about this here: The difference between kW and kWh Electrical Calculations is the best app in the electrical sector, it has many calculations that can help you in your work. It can not miss in your smartphone! Wire size, voltage drop, current, voltage, active / apparent / reactive power, power factor, resistance, Maximum wire length, Current carrying capacity of insulated conductors / bare ...It is the calculation of the combined volume occupied by conducting wires, grounding wires, and other components in an electrical utility box. The main objective of this box fill calculation is to prevent overcrowding in electrical boxes because an overloaded box can result in faults, arcing, or even pose a risk of fire. How To Calculate Box Fill?1-16 of 160 results for "electric calculator" Did you mean electronic calculator. Results. Casio HR-170RC Plus, Min-Desktop Printing Calculator (New Version of The HR-100TM) 4.6 out of 5 stars 3,771. 1K+ bought in past month. $30.94 $ 30. 94. List: $54.99 $54.99. FREE delivery Sun, Dec 24 on $35 of items shipped by Amazon. How to Use the Energy Bill Calculator. Enter your energy usage in kWh. You can find this information on your electricity bill, or estimate your monthly usage based on your appliances and daily activities. Input your current electricity tariff rate. This is usually expressed in pence per kWh and can also be found on your energy bill. Calculate Electricity Usage. Energy Use Calculator offers electricity usage calculators for various devices. Allowing you to calculate the electrical cost of your home appliances, and helping you save power consumption costs. To find the energy cost of your appliance, select a device from the list below. LED Light Bulb. CFL Light Bulb.The Watt calculator finds the electrical power of a circuit using the given values. Electrical power is given by. P = V ⋅ I P = Electrical power V = Voltage I = Current. Step 2: Click the blue arrow to submit. Choose "Find the Power" from the topic selector and click to see the result in our Physics Calculator! Examples: Find the PowerMacRumors reports that a built-in Calculator app for iPadOS 18 is on the way. By Emma Roth , a news writer who covers the streaming wars, consumer tech, crypto, …Electrical Formulas helps us to calculate the parameters related to electricals in any electrical components. Solved Examples. Example 1: A wire carrying a current of 4 Amperes is having a resistance of 5 \(\begin{array}{l}\omega\end{array} \). Calculate the potential difference across its ends.This could cause the plug in the wall socket to overheat and possibly cause a fire. Use our overload calculator (below) to check if you’re exceeding the maximum load. The Socket Calculator has been brought to you by Electrical Safety First. For more safety information visit https://www.electricalsafetyfirst.org.uk.American wire gauge size calculator and chart. Wire gauge calculations Wire diameter calculations. The n gauge wire diameter d n in inches (in) is equal to 0.005in times 92 raised to the power of 36 minus gauge number n, divided by 39:. d n (in) = 0.005 in × 92 (36-n)/39. The n gauge wire diameter d n in millimeters (mm) is equal to 0.127mm times 92 …Cost of electricity: £0.25 per 60 minutes. £0.245 per 60 minutes. Electricity costs are calculated using the UK: Price Cap (Apr 2024) electricity rate of £0.24 per kWh (incl. VAT). Calculations exclude the …This calculator determines minimum cable size using the method described by the British Standard BS7671 – 18th Edition – IET Wiring Regulations which is the national standard in the United Kingdom for electrical installation and the safety of electrical wiring.. This is a simple calculator which ignores cable operating temperature and short-circuit rating.Jan 18, 2024 · To use the calculator for appliance electricity cost: Add an appliance from the list using the add button. Enter the power rating for the added appliance. Insert the quantity of the said appliance. Fill in the runtime per day of the appliance. Repeat the steps from 1 to 4 for different appliances. Enter the unit cost (per kWh) for the ... The amount of electricity or electric charge is the product of the current strength by the time the current flows. Use our Electrical Work Calculator to easily calculate the work done by an electric current, taking into account voltage, resistance, power, and energy. Perfect for students and professionals in physics and electrical engineering. Use our Electrical Work Calculator to easily calculate the work done by an electric current, taking into account voltage, resistance, power, and energy. Perfect for students …The calculator will give you the next AWG size up, as it is always better to have a thicker wire to be safe, if possible. Calculating wire sizes for three-phase AC. For a three-phase AC electrical, three cables are used instead of one. The calculator is designed to accept the total line voltage and current of the combined three cables.2. Commercial: Avg. electricity bill is Rs. 10 to 20 per units including all charges. Note: The accuracy rate of this calculator is up to 95%, we are working on it to improve it's accuracy rate. If you have any specific query, you can contact with support team via email: [email protected] or call: 8750 77 88 00.The new Calculator app should be more than just a straightforward port of the current iOS or macOS app. Apple is apparently planning a small overhaul of the …The radius of the atomic nucleus. Einstein's equation E = mc². Photon mass. Planck's Relation. Photoelectric Effect. Fermi–Dirac statistics. Use our Electric Power Calculator to quickly and easily calculate power consumption, voltage, current, and resistance in electrical circuits for improved energy efficiency and performance.Circuit simulation and schematics. Build and simulate circuits. right in your browser. Design with our easy-to-use schematic editor. Analog & digital circuit simulations in seconds. Professional schematic PDFs, wiring diagrams, and plots. No installation required! Homes these days are equipped with many electrical appliances, and we use dozens, if not hundreds, of other devices, making it difficult to predict overall energy usage. The easiest way to estimate energy consumption in kilowatt-hours (kWh) and how much each appliance and device costs on your electric bill is to use the calculator above. Estimate of time used: The shredder is used for about 15 minutes per day (0.25 hour). 2. Wattage: The wattage is not listed on the label, but the electrical current draw is listed at 3 amperes. 120V × 3A = 360W. 3. Daily energy consumption: 360 W …Find and use various calculators for electrical engineering and electronics, such as resistor color code, ideal diode, instrumentation amplifier, and more. Learn how to calculate resistance, current, voltage, …Current is the rate of electric charges moving through a conductor. Electrical power is the product of voltage and current. DC Circuit Power Calculator - Power Electronics Calculators and ToolsOnce you know all these values, the foot-candle calculator will determine how many lumens you need. We use the following equation: \text {lumens} = \text {lux} \cdot \text {area} lumens = lux ⋅ area. You can use illumination units of lux or foot candles. If you want to recalculate between these units, remember that one foot-candle equals 10. ...Calculate Your Voltage Drop. Determines wire size to meet specific voltage drop limits or calculates voltage drop for a specific conductor run. When sizing conductors, calculations limits wire size to voltage drop and NEC ampacity. Southwire's Voltage Drop Calculator is designed for applications using AWG and KCMIL sizes only. Ohm's law calculation formula. The current I in amps (A) is equal to the voltage V in volts (V) divided by the resistance R in ohms (Ω): I =. VR. Example. I =. 20V. 10Ω = 2A. The power P in watts (W) is equal to the voltage V in volts (V) times the current I in amps (A): 💡 With our kVA calculator, you can calculate multiple setups in no time. If you have the value for the power factor and want to find the electrical system's real power output, tick on the Display power factor and real power checkbox of our kVA calculator to show the kVA to kW calculator.Once you're there, simply input the needed values to …Basic Voltage, Current, Power and Resistance Formulas in AC and DC Circuits. Following are the electrical engineering formulas and equations for the basic quantities i.e. current, voltage, power, resistance and impedance in both …Apple's Calculator app has been conspicuous by its absence on the iPad since the tablet's launch 14 years ago. The curiosity surrounding why Apple hasn't yet included …Calculate Electricity Usage. Energy Use Calculator offers electricity usage calculators for various devices. Allowing you to calculate the electrical cost of your home appliances, and helping you save power consumption costs. To find the energy cost of your appliance, select a device from the list below. LED Light Bulb. CFL Light Bulb.Compare loft insulation and cavity wall insulation with us to get up to four, free no-obligation quotes to compare prices and find the best deal for you. *£390 savings a year figure is for 1940's 3 bed semi-detached home with a ten-year-old gas boiler and a gas price of 3.73p/kWh, when cavity wall insulation and loft insulation are installed.The starting point is the formula for kinetic energy: K.E. = 1/2 × m × v 2. Where: K.E. is the kinetic energy. m is the mass of the object. v is the velocity of the object. Assuming perfect conversion efficiency, the kinetic energy will equal the electrical energy (in joules), which can be related to power (P, in watts) and time (t, in ...Breaker size calculator is a online calculator tool (electrical calculator) that may be used to determine the proper size of a circuit breaker for a certain electrical circuit. It takes into consideration a wide range of requirements such as voltage, power consumed by appliances/devices connected to the circuit, wire type, and safety regulations.The electricity cost per day in dollars is equal to the energy consumption E in kWh per day times the energy cost of 1 kWh in cents/kWh divided by 100 cents per dollar: Cost ($/day) = E(kWh/day) × Cost (cent/kWh) / 100 (cent/$) See also. Energy consumption calculator. How to save electricity.To calculate the electrical load in Kwh, we need to know the total number of watts used and the number of hours that those watts are used per day as obtained in previous steps. The formula for calculating Kwh is as follows: Kwh = (Wattage * Usage Hours) / 1000. In this case the electrical load estimate is 65.7 Kwh.The Ideal Electrical Design And Circuit Calculation Software for Electrical Contractors, Electrical Consultants and Electrical Engineers. User Friendly Interface with Full and Accurate Cable Sizing Calculations to IET BS7671 and Integrated Electrical CAD Plan Design FeaturesCommercial Electrical Installation Cost Calculator. September 25, 2023 by GEGCalculators. The cost of commercial electrical installation can vary widely depending on factors like location and project complexity. On average, you might expect to pay between $3,000 to $15,000 or more for a typical small to medium-sized commercial project.A. mA. Amps to watts calculator . * Use e for scientific notation. E.g: 5e3, 4e-8, 1.45e12. DC watts to amps calculation. The current I in amps (A) is equal to the power P in watts … Electrical engineering calculator. Enter a description of your widget (e.g. what it does, what input to enter, what output it gives, and how it is useful). Get the free "Electrical engineering calculator " widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more none widgets in Wolfram|Alpha.
Online electrical calculators for calculations of electricity and electronics. Amps to kW calculator. Amps to kVA calculator. Amps to VA calculator. Amps to volts calculator. …. Walmart to walmart money transfer ria
We would like to show you a description here but the site won’t allow us. Before we carry out our conversion, we need to convert 2.4 kilowatts into watts. 2.4KW = 2400W. We can then run through the formula... Current = Power ÷ Voltage. Current = 2400W ÷ 120V. Current = 20A. Converting watts to amps is simple, really, but if you’re feeling short-circuited after all those numbers, just use our watts to amps ...Mar 20, 2024 · While Electrical Energy (Wh) is accumulative and represents the quantity, if you will, of electricity that has been consumed, generated, or transferred in general, Electrical Power (W) is instantaneous and represents the rate at which that Energy is being transferred. Read more about this here: The difference between kW and kWh According to Ohm's Law, power can also be calculated using P = I 2R P = I 2 R or P = V 2 R P = V 2 R. This is why electrical power transmission lines use higher voltages because it will result in less power loss due to heating. Another application is found in a common kitchen appliance: the toaster. Toasters heat bread by passing current to a ... Online electrical design calculators for cables, arc flash, maximum demand, motors, tranformers, generators, etc. Using the formula, the electrical load can be calculated as: P = 230 V × 10 A. = 2300 W. Understanding how to calculate electrical load is crucial for anyone working with electrical systems. Armed with this knowledge and this calculator, you can now assess the electrical load of various appliances and circuits with greater accuracy and confidence.Current is the rate of flow of charge, and voltage measures the energy transferred per unit of charge. We can insert these definitions into the equation for power: power = d d = d d ⋅ d d = . Electrical power is the product of voltage times current. in units of watts.The radius of the atomic nucleus. Einstein's equation E = mc². Photon mass. Planck's Relation. Photoelectric Effect. Fermi–Dirac statistics. Use our Electric Power Calculator to quickly and easily calculate power consumption, voltage, current, and resistance in electrical circuits for improved energy efficiency and performance.Use our online electrical conversion calculator to easily transition between different units of power, current, frequency, & more. Improve your electrical job …A residential customer using electricity for residential purposes only. The concessionary tariff is based on bimonthly meter-readings. Benefits As an approved applicant, your first 400 units of electricity is charged at half-price. The half-price applies to the energy charge, Fuel Cost Adjustment, and Energy Saving Rebate under Residential Tariff Electricity Bill Calculator UK. Welcome to Electricity Bill Calculator UK. 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. Enter your previous and current meter readings below and click the ‘Calculate’ button to get ... Find Electrical Engineering Calculator at CalcTown. Use our free online app Electrical Engineering Calculator to determine all important calculations with parameters and …Voltage Drop Calculator. This application, revised to meet 2020 NEC and 2021 CEC, provides voltage drop calculations in accordance with the US National Electrical Code Tables 9 and 8 for AC and DC feeders. Colour coding of maximum allowable ampacity (at different ambient temperatures) in accordance with US and Canadian codes - helps …The cable size results for International standard cable are calculated from IEC 60364-5-52: Low Voltage Electrical Installations, selection and erection of electrical equipment – Wiring systems and are based on 230V and 415V voltage drop. In both BS and IEC calculations, the KW calculation is based on a power factor of 0.8.Nov 3, 2023 · Example of Electricity Consumption Calculator. Let's put the Electricity Consumption Calculator to use with a practical example. Suppose you have a 1.5 kW air conditioner running for 4 hours a day. Using the formula, we can calculate the electricity consumption: Electricity Consumption (kWh) = 1.5 kW x 4 hours = 6 kWh Our appliance and electronic energy use calculator allows you to estimate your annual energy use and cost to operate specific products. The wattage values provided are samples only; actual wattage of products varies depending on product age and features. Enter a wattage value for your own product for the most accurate estimate. Wattage and ...Energy Use Calculator provides free energy usage calculators to find the electricity consumption of your devices. We cover most electrical devices and home appliances, our online calculators can be edited to fit any home appliance and accurately calculate power costs. Get Started. Top 5 reasons to use our services:.