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): Electrical Contractors, Designers, Electricians and Lighting Specialists calculate tough electrical calculations in seconds and deliver those solutions in conformance with the latest NEC®. The ElectriCalc Pro calculator is a complete electrical reference tool that will save time, trouble and money—this calc will quickly become an …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 … Electrical calculators are a collection of online tools that perform common electricalal calculations, such as converting between watts, volts, and amps; sizing wires and cables; and calculating voltage drop. These calculators can be used by electricalians, engineers, and homeowners alike to quickly and accurately solve electricalal problems. 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 ... Online electrical design calculators for cables, arc flash, maximum demand, motors, tranformers, generators, etc. 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! Main calculations: Wire size, voltage drop, current, voltage, active / apparent / reactive power, power factor, resistance, Maximum wire len…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 ...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.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 ...kWh to kW calculator. kWh to Watts calculator. mA to Amps calculator. mAh to Ah calculator. mAh to Wh calculator. Ohms to Amps calculator. Ohms to Volts calculator. VA to Amps calculator. VA to kVA calculator.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, …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.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 ToolsUse our online electrical conversion calculator to easily transition between different units of power, current, frequency, & more. Improve your electrical job …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, ...The electrical service size is typically determined by adding up the connected loads of all electrical devices and appliances in a building. This involves estimating the total wattage (in kilowatts, kW) required to power these loads. A common rule of thumb for residential service is to use a 200-amp service for an average-sized home.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 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 …kWh to kW calculator. kWh to Watts calculator. mA to Amps calculator. mAh to Ah calculator. mAh to Wh calculator. Ohms to Amps calculator. Ohms to Volts calculator. VA to Amps calculator. VA to kVA calculator.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 … 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. 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 do you calculate the weight of an electrical cable? The weight of an electrical cable can be calculated by multiplying the length of the cable (in feet) by its weight per foot. How much does 10 gauge wire weigh per foot? A rough estimate for 10-gauge wire is around 0.05 pounds per foot.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 … 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 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). To calculate load per square meter, divide the total electrical load (in watts or VA) by the total square meters of the area being served. For example, if the load is 10,000 watts and the area is 100 square meters, the load per square meter is 100 watts per square meter. 6. How do you calculate KVA for a building?Cable Pro Web. Cable sizing and maximum demand software in the cloud. No installation, use on any device. Try For Free. This calculator determines minimum cable size using the method described by the Australian Standard AS/NZS 3008.1.1 and uses the accurate voltage drop method.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.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.To calculate load per square meter, divide the total electrical load (in watts or VA) by the total square meters of the area being served. For example, if the load is 10,000 watts and the area is 100 square meters, the load per square meter is 100 watts per square meter. 6. How do you calculate KVA for a building?Home > Van Conversion > Tools > Van Electrical Calculator. This is the third part of our DIY Van Electrical Guide trilogy: PART A: BUILD YOUR KNOWLEDGE. 1- Campervan Electrical System in a Nutshell. 2- Electricity for dummies. 3- Battery bank. 4- Charge Sources. 5- 12V DC Loads. 6- 120V AC Loads.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 ...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.Power Consumption (Annual) = Power Usage (Watts) x Time (Hours) x 365 (Days) Example: A 1700 Watts Electric kettle runs for 1 hours daily. Calculate the energy consumption in Wh and kWh in one year. Annual power usage in Wh = 1700W x 1 Hours x 365 days= 620500 Wh / year. Annual power usage in kWh = 620500 Wh /1000 = 620.5 kWh / year.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.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.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, ...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 ... 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.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 ... Use this calculator to determine Watts (W), Volts (V), Amps (A), and Ohms (Ω). It's designed for DC power, voltage, current, and resistance calculations. Just input any two values, and the tool will compute the others. Click 'Calculate' to get results. Enter 2 values to get the other values and press the Calculate button:To calculate the electricity bill in Bangladesh for Desco and Nesco, you need to follow the bellow formula. Unit Price + ( Demand change × Load ) + 5% VAT (Additional late payment fee could also be applied). You can easily calculate the total bill from this website. To calculate the electricity price for any type of consumer follow the bellow ...Find Electrical Engineering Calculator at CalcTown. Use our free online app Electrical Engineering Calculator to determine all important calculations with parameters and constants.Electricity cost calculations for common household appliances. Let's consider some more example calculations for common household appliances. We'll continue to assume electricity costs $0.20 per unit or kWh. If we use a kettle, portable heater or dishwasher rated at 1.5KW for one hour per day it would cost: 1500W/h x 1 / 1000 x $0.20 = 30c per ...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 …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 …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.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 PowerMike Holt worked his way up through the electrical trade from apprentice electrician through electrical contractor, to become one of the most recognized experts in the world as it relates to electrical power installations. He was a Journeyman Electrician, Master Electrician, and Electrical Contractor. In 1974, Mike realized there was a need for quality …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! We would like to show you a description here but the site won’t allow us. 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.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 ... Power Calculator. Power consumption calculator: calculates electric power / voltage / current / resistance. DC power calculator; AC power calculator; Energy & power calculator; DC power calculator. Enter 2 values to get the other values and press the Calculate button: 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 ...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 …online calculator for electronics and electrical calculation need. In this site you can find electronics calculator to use such as Ohm's law calculator that calculate Power (P), …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 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, ...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. 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.Electrical Contractors, Designers, Electricians and Lighting Specialists calculate tough electrical calculations in seconds and deliver those solutions in conformance with the latest NEC®. The ElectriCalc Pro calculator is a complete electrical reference tool that will save time, trouble and money—this calc will quickly become an … 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. For three-phase circuits where you know the current, line-to-line RMS voltage, and power factor, the formula to calculate watts is: P (W) = I (A) × V L-L (V) × PF × √3. The power P in watts is equal to the product of the current I in amps, the line-to-line voltage V in volts, the power factor PF, and the square root of 3. Below is a calculator that will tell you how much your HECS-HELP debt will increase by if indexation is applied in the same way it did last year. It's automatically set … Electrical calculators are a collection of online tools that perform common electricalal calculations, such as converting between watts, volts, and amps; sizing wires and cables; and calculating voltage drop. These calculators can be used by electricalians, engineers, and homeowners alike to quickly and accurately solve electricalal problems. The energy E in kilowatt-hours (kWh) per day is equal to the power P in watts (W) times the number of usage hours per day t divided by 1000 watts per kilowatt: E(kWh/day) = P(W) × t(h/day) / 1000 (W/kW) Estimate and manage your power usage with our Energy Consumption Calculator. Easily calculate electricity costs, understand energy efficiency ... 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!Online electrical calculators for calculations of electricity and electronics.Calculate the power and energy consumed by an electrical system using voltage, current, resistance, or time. Learn the equations and formulas for Ohm's law and Joule's law, …How to Calculate Electric Current. In an electrical circuit, current is a measure of the flow of charged particles moving through a conductor. Current is measured in units of amperes (usually referred to as amps).. You can calculate the current flowing through a conductor using Ohm’s Law, which states that the current through a circuit element is directly …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. 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 ... Calculate and convert different electrical units and parameters with these online electrical calculators. You can use them to convert AMP, volt, kVA, kW, dBm, dBW, electric current, resistance, capacitance, electric charge, electric power, farad, inductance, ohm and more. 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 …The electrical service size is typically determined by adding up the connected loads of all electrical devices and appliances in a building. This involves estimating the total wattage (in kilowatts, kW) required to power these loads. A common rule of thumb for residential service is to use a 200-amp service for an average-sized home.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!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 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. Power Calculator. Power consumption calculator: calculates electric power / voltage / current / resistance. DC power calculator; AC power calculator; Energy & power calculator; DC power calculator. Enter 2 values to get the other values and press the Calculate button: 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.Find Electrical Engineering Calculator at CalcTown. Use our free online app Electrical Engineering Calculator to determine all important calculations with parameters and …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.Below is the AC single phase amps to watts calculation formula used by our AC wattage calculator: P = PF × I × U. where: P – Power or wattage; PF – Power factor; I – Electrical current; and. U – Voltage. This formula means that the wattage equals the power factor multiplied by the current multiplied by the 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 ToolsIt 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?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
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 ... . Conestoga
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… 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 ... This calculator will help you: 1) Understand various components of your electricity bills. 2) Understand how much you are paying per unit (1 kWh) of electricity bill. 3) Understand how much you spend on various appliances like lights, air conditioner, refrigerator, tube light, computer, set-top box, fan, etc.Cable Pro Web. Cable sizing and maximum demand software in the cloud. No installation, use on any device. Try For Free. This calculator determines minimum cable size using the method described by the Australian Standard AS/NZS 3008.1.1 and uses the accurate voltage drop method.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 ...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*.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.RLC resonant frequency calculator is used to calculate the resonant frequency of series/parallel circuits. It also calculates series and parallel damping factor. List of Contents RLC Resonant frequency Formula RLC Resonance is a special frequency at which the electrical circuit resonates. The value of RLC frequency is determined by the … 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. Amps to watts calculator. Electricity bill calculator. Energy consumption calculator. Energy cost calculator. 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 ToolsAn 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 …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 ... 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). How do you calculate the weight of an electrical cable? The weight of an electrical cable can be calculated by multiplying the length of the cable (in feet) by its weight per foot. How much does 10 gauge wire weigh per foot? A rough estimate for 10-gauge wire is around 0.05 pounds per foot.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 TariffMaster 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!Use this calculator to determine Watts (W), Volts (V), Amps (A), and Ohms (Ω). It's designed for DC power, voltage, current, and resistance calculations. Just input any two values, and the tool will compute the others. Click 'Calculate' to get results. Enter 2 values to get the other values and press the Calculate button:.