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 Residential Electrical Load Calculator is Pre-Loaded with electrical information for you to chose from. Click on the Question Mark Buttons for more specific information relating to each section and entry. Step 2. Appliances and Motor Type Loads are typically larger equipment used in the kitchen, laundry room, garage.Commercial 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.Inductive Reactance from Inductance Calculator. Note: Formulas and equations for this calculator is given below (right after calculator). Enter the values of Frequency & Inductance and click on Calculate. Result will display the calculated value of …Circuit breakers breaking capacity is the rated RMS value of current that a CB can break at the rated voltage. List of Contents Calculator Formula Breaking capacity (B.C) = 1.732 * V * I * 10-6 Where 1.732 = √3 represents a multiplier for three phase circuits B.C is always expressed in terms of MVA. Where …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.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 … 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): The Residential Electrical Load Calculator is Pre-Loaded with electrical information for you to chose from. Click on the Question Mark Buttons for more specific information relating to each section and entry. Step 2. Appliances and Motor Type Loads are typically larger equipment used in the kitchen, laundry room, garage.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 ... To calculate the cost of powering our toaster, we multiply the 0.15 kWh-per-day figure by our energy cost per kWh. For our example, we'll say that our electricity provider charges us $0.20 (20 cents) per kWh. 0.15 × $0.20 = $0.03. So, we've calculated that the toaster is costing you 3 cents per day in electricity. Air conditioner power consumption calculator is used to calculate the bill cost for any AC either it is 1 ton, 1.5 ton, 2 ton or of any value. Enter the ton/BTU of AC, daily operating hours and cost per unit. Daily, monthly, and yearly cost will be calculated. 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 ... 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 ...The Electrical Length Calculator is a valuable tool that simplifies these calculations, making it easier for engineers and enthusiasts to fine-tune their designs. Formula: Before delving into the calculator, let’s explore the formula used to calculate electrical length: Electrical Length (in degrees) = (Physical Length / Wavelength) × 360Cost 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 …Use this calculator to find the power, voltage, resistance, and current of any electrical circuit. Learn the formulas and examples of Watt's law and Ohm's law, and how to convert between different units of …Welcome to CALCULATOR EDGE, an online FREE Engineering Calculators for Engineers and Students worldwide, Our website features more than few hundred calculators for …Once 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. ...Multiply the result by 0.4 (40%). Add the 10,000 watts back in. Compare the wattage ratings for your air conditioner and furnace; add the larger number to your total since you’ll only be running one at a time. Divide the resulting wattage by 240 volts (the typical main service for homes) to calculate the electrical load in amps. Trusted Electrical Calculators & Power Systems Software. Electrotechnik is an electrical software company founded in 2009. We provide software solutions to thousands of companies all over the world in the electrical power industry. Our vision is to provide the world’s best and most innovative electrical software for engineers and electrical ... 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: 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. Time in use: Min ute s H ou rs. 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 UK Daily Standing Charge of £0.60 per day or £219.36 per year (incl. VAT). Gas Cost Calculator. Electrical Calculators Org. Search for: Hydroelectric Power Calculator – Hydro Power Plant Formula Equation Calculator. Hydroelectric Power Calculator is a useful online calculation tool used to calculate the power generated in kilowatts and megawatts from the known values of density in kg/m 3, ...Power Factor PF = 0.65. The formula of Electrical Power is P = I x V x PF. P = 3.5 x 12 x 0.65. = 27.3. Therefore, the electrical power consumed in the circuit is 27.3 Watts. Get instant help with the physics concepts you never seemed to understand with the calculators prevailing on Onlinecalculator.guru.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.Use this calculator to find the power, voltage, resistance, and current of any electrical circuit. Learn the formulas and examples of Watt's law and Ohm's law, and how to convert between different units of …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/$) See also. Energy consumption calculator. How to save electricity. Voltage = 10 A x 2 Ω. Voltage = 20 V. Example #2 – Let’s find the power consumed by a device supplied with 5 volts and a current of 2 amps. Power = Voltage × Current. Power = 5 V × 2 A. Power = 10 W. Example #3 – Let’s find the resistance of a circuit if it consumes 20 watts of power when supplied with 5 volts. Electrical Calculations is the best app in the electrical sector, it has many calculations that can help you in your work. It can not miss in your smartphone! Wire size, voltage drop, current, voltage, active / apparent / reactive power, power factor, resistance, Maximum wire length, Current carrying capacity of insulated conductors / bare ...The power factor calculator helps you determine the power factor, the ratio of real power to apparent power, in an AC circuit. You can use it to find the power factor angle, the reactive power, the real power, or the apparent power. You can also explore how different components, such as resistors, capacitors, and inductors, affect the power …Voltage Drop Calculator. This is a calculator for the estimation of the voltage drop of an electrical circuit. The "NEC data" tab calculates based on the resistance and reactance data from the National Electrical Code (NEC). The "Estimated resistance" tab calculates based on the resistance data estimated from the wire size.The Kilowatt-Hour (KWH) is a unit of energy equal to one kilowatt of power consumed for one hour. To calculate it, use the following formula: kWh = (Power Rating in Watts * Hours of Usage) / 1000. Where: Power (in watts) is the rate at which electrical energy is consumed, often represented by the symbol “P.”. Time (in hours) is the duration ... Electricity cost calculation. The electricity cost per day in dollars is equal to the energy consumption E in kWh per day times the energy cost of 1 kWh in cents/kWh divided by 100 cents per dollar: Cost ($/day) = E(kWh/day) × Cost (cent/kWh) / 100 (cent/$) See also. Energy consumption calculator. How to save electricity. Online electrical calculators for calculations of electricity and electronics.Power Factor PF = 0.65. The formula of Electrical Power is P = I x V x PF. P = 3.5 x 12 x 0.65. = 27.3. Therefore, the electrical power consumed in the circuit is 27.3 Watts. Get instant help with the physics concepts you never seemed to understand with the calculators prevailing on Onlinecalculator.guru.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 …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.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 ...Kilowatt-hours are the standard units of energy used by the electricity meter in our homes to calculate the amount of electrical energy we use and therefore how much we pay. So if you switch ON an electric fire with a heating element rated at 1000 watts and left it on for 1 hour you will have consumed 1 kWhr of electricity. If you switched on ...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. Online electrical design calculators for cables, arc flash, maximum demand, motors, tranformers, generators, etc. The Residential Electrical Load Calculator is Pre-Loaded with electrical information for you to chose from. Click on the Question Mark Buttons for more specific information relating to each section and entry. Step 2. Appliances and Motor Type Loads are typically larger equipment used in the kitchen, laundry room, garage.This tool was designed to help you quickly calculate the equivalent resistance of up to 6 resistors connected in parallel. To use it, just specify how many parallel resistors there are and the resistance value for each one. If you have more than 6 resistors, simply use the calculator to determine the equivalent resistance of the first 6 ... 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. Electrical load calculations come down to a 6 key-step formula to calculate your home’s power load. Lights and outlets: Multiply the square feet of your home’s living area by 3. This calculation determines the wattage needed for light fixtures and receptacle loads. Example 2000 x 3 = 6000 watts.Electrical power is the transfer rate of electrical energy per time unit. We denote the electrical power by P P P, and its unit is the watt (W) or joules per second (J/s). The power needed by home appliances generally ranges from 10 W (an LED light bulb) to over 3 kW (hair dryers or electric heaters). Let's now see how to calculate electrical ...The electrical calculation app contains all types of information that electrical engineers require, like electrical formulas for voltage, current, and efficiency, all available in the electrical calculation app. We can use an electrical calculator that makes sure to calculate the particular electrical quantities. Using an electronic calculator ...Electrical Power. Power is the rate at which electrical energy is transferred by an electric circuit per unit time typically expressed in the SI (International System of Units) unit of Watts. ... and R. This is essentially what the calculator does, and is just a representation of the algebraic manipulation of the equations above. To use the ...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.Oct 21, 2022 · Voltage, Current, Power, Resistance, Circuit analysis, and more. These online calculators are useful for professionals, students, and electrical enthusiasts as well. They can do everything from simple Ohm’s Law calculations to complex formulas for motors and transformers. Whether you need to find electrical parameters, solve network analysis ... Electrical calculations should be made for all projects that include electrical components and should be filed in the project notebook. Electrical Design Calculations Needed For Projects. Design calculations may be made either manually or by computer programs. At a minimum, the following types of calculations should be …Electrical Calculators. AC Voltage Calculation. Paul Evans-Jan 16, 2022 0. LED Resistor Calculator. Vince Lynch-Feb 27, 2021 0. Voltage Divider Calculator. Vince Lynch-Feb 27, 2021 0. Battery Life Calculator. Vince Lynch-Jul 16, 2020 0. Parallel Resistor Calculator. Vince Lynch-Jan 13, 2020 0. About. Contact Us.Electrical Load Calculation Formula. The formula to calculate the electrical load is quite simple. You just need to multiply the voltage (V) by the amperage (A). The formula looks like this in code format: P = V x A.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.This result is valid for any number of series-connected conductors. Use our Parallel Circuits Calculator to easily calculate the total resistance, current, and voltage in a parallel circuit with multiple resistors. Improve your understanding of electrical circuits and electronics.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/$) Calculate and estimate your energy costs effortlessly with RapidTables.info's Energy Cost Calculator.For example, let’s calculate the wire size of a 100-meter-long copper wire for a single-phase circuit when it must supply 30 amps of current with a 10 V voltage drop allowed: A (mm²) = 2 × 1.7241×10-8 Ω·m × 100 m × 30 A / 10 V × 1,000,000 A (mm²) = 10.3446×10-6 m² × 1,000,000 A (mm²) = 10.3446 mm². By comparing the size to the list of AWG wire sizes in … Electricity cost calculation. The electricity cost per day in dollars is equal to the energy consumption E in kWh per day times the energy cost of 1 kWh in cents/kWh divided by 100 cents per dollar: Cost ($/day) = E(kWh/day) × Cost (cent/kWh) / 100 (cent/$) See also. Energy consumption calculator. How to save electricity. The electricity cost per day in dollars is equal to the energy consumption E in kWh per day times the energy cost of 1 kWh in cents/kWh divided by 100 cents per dollar: Cost ($/day) = E(kWh/day) × Cost (cent/kWh) / 100 (cent/$) See also. Energy consumption calculator. How to save electricity.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 …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. This calculation does not take into account rebates, discounts, or special tariff incentives such as Off Peak Tariff Ride (OPTR), Sunday Tariff Rider (STR) etc. 4. Service Tax (ST) at the rate of 8% will be charged in TNB electricity bills for Residential Customer with consumption more than 600 kWh effective from 1st March 2024.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 …With over 3,000 calculators, Inch Calculator is one of the largest and most trusted sites for calculations in math & science education, construction planning, electrical engineering, health & fitness, finance, automotive, and several other fields. Time in use: Min ute s H ou rs. 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 UK Daily Standing Charge of £0.60 per day or £219.36 per year (incl. VAT). Gas Cost Calculator. 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/$) See also. Energy consumption calculator. How to save electricity.My Electrical Calculator is a free educational and reference Android application developed by Sparkle Solutions. This app contains 45 calculators that can calculate various electrical parameters quickly and easily. It offers automatic calculations and conversions with every unit and value change. The calculated values and results can …Energy Cost Calculation. The energy cost per day in dollars is equal to the energy consumption E in kWh per day times the energy cost of 1 kWh in cents/kWh divided by 100 cents per dollar: Cost ($/day) = E(kWh/day) × Cost (cent/kWh) / 100 (cent/$) Calculate and estimate your energy costs effortlessly with RapidTables.info's Energy Cost Calculator.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 PowerJan 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 ... 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!Master the fundamentals of electricity with our free online Ohm's Law Calculator. Easily solve for voltage, current, and resistance with just two known values. No more complex formulas, just instant results to help you understand and analyze circuits like a pro!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 ...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.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 PowerDec 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 power factor calculator helps you determine the power factor, the ratio of real power to apparent power, in an AC circuit. You can use it to find the power factor angle, the reactive power, the real power, or the apparent power. You can also explore how different components, such as resistors, capacitors, and inductors, affect the power … 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. Please specify the relay device settings and fault current to draw the time current curve and get the corresponding tripping time based on either IEC, IEEE, IAC or RI equations. Relay pickup current (A) Fault current (A) Time multiplier (TMS) / Time dial setting (TDS) Select curve equation. IEC Standard 60255.
Electricity Cost Calculator UK: Prices based on the new Energy Price Cap (October 2022). Electricity Consumption in Kilowatt Hours (kWhs): *. The average UK electricity bill is 2,900 kWh of electricity each year. Cost of Electricity (In Great British Pounds (£)): This figure is based on the latest Energy Price Cap*.. Varginia
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 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:All calculations are performed according to the NFPA-70 (National Electrical Code) - never have to carry your copy again! ... Unlike other electrician calculators, with the Electrician Calculator Pro you just fill out the required spaces with …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 ... 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: Desk Calculator 12 Digit Extra Large 4.3-Inch LCD Display, Two Way Power Battery and Solar Calculators Desktop, Big Buttons Easy to Press Used as Office Calculators for Desk. 4.4 out of 5 stars. 2,191. 1K+ bought in past month. $13.99 $ 13. 99. 5% coupon applied at checkout Save 5% with coupon.This online electrical calculator assists in identifying the appropriate gauge or size of copper or aluminum wires necessary for an electrical circuit. Cable Size formula. Single Phase. Wire Circular Mils = 2 x Specific Resistance x Amperes x Distance / (Voltage Drop / Source Voltage) Three Phase 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 Tools To calculate the cost of powering our toaster, we multiply the 0.15 kWh-per-day figure by our energy cost per kWh. For our example, we'll say that our electricity provider charges us $0.20 (20 cents) per kWh. 0.15 × $0.20 = $0.03. So, we've calculated that the toaster is costing you 3 cents per day in electricity. 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 ...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 ...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 … Using our Home Electricity Usage Calculator is a breeze. Simply follow these steps: Enter relevant information such as the size of your home, its age, the number of occupants, and your usage habits. The calculator will process the data and provide you with an estimated monthly energy usage in kilowatt-hours (kWh). Electrical Calculation Tools. Version 5.1.0. View Update. Whether you are designing a new installation, expanding an existing one or doing maintenance, Electrical Calculation Tools is a suite of online tools for a quick Protection device Selection, Selectivity Checking and Cable Calculation. Protections.Circuit breakers breaking capacity is the rated RMS value of current that a CB can break at the rated voltage. List of Contents Calculator Formula Breaking capacity (B.C) = 1.732 * V * I * 10-6 Where 1.732 = √3 represents a multiplier for three phase circuits B.C is always expressed in terms of MVA. Where …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 …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 = $.072. This electricity cost calculator works out how much electricity a ...The amount of electricity or electric charge is the product of the current strength by the time the current flows. Use our Electrical Work Calculator to easily calculate the work done by an electric current, taking into account voltage, resistance, power, and energy. Perfect for students and professionals in physics and electrical engineering.Once you know all these values, the foot-candle calculator will determine how many lumens you need. We use the following equation: \text {lumens} = \text {lux} \cdot \text {area} lumens = lux ⋅ area. You can use illumination units of lux or foot candles. If you want to recalculate between these units, remember that one foot-candle equals 10. ... Energy Cost Calculation. The energy cost per day in dollars is equal to the energy consumption E in kWh per day times the energy cost of 1 kWh in cents/kWh divided by 100 cents per dollar: Cost ($/day) = E(kWh/day) × Cost (cent/kWh) / 100 (cent/$) Calculate and estimate your energy costs effortlessly with RapidTables.info's Energy Cost Calculator. Using our Home Electricity Usage Calculator is a breeze. Simply follow these steps: Enter relevant information such as the size of your home, its age, the number of occupants, and your usage habits. The calculator will process the data and provide you with an estimated monthly energy usage in kilowatt-hours (kWh). .