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Watt’s Law states that current = power ÷ voltage. Try out the Kilowatt Hour Cost Calculator!Learning how much energy you and your family are consuming in such precise detail will enable you to quickly take steps to drastically reduce your usage, as well as your bill.You can get a free online kilowatt hour cost calculator for your website and you don't even have to download the kilowatt hour cost calculator - you can just copy and paste! The kilowatt hour cost calculator exactly as you see it above is 100% free for you to use. How does that translate to your electricity bill? For example, if your energy in kilowatts is 45 (kWh), and the time in hours is 5 hrs. Enter the power in watts, consumption time period in hours and press the Calculate button: Enter power in watts: W: Enter time in hours: hr : Energy result in kilowatt-hours: kWh: kWh to watts calculator Watts to kWh calculation.
The power P in kilowatts (kW) is equal to the current I in amps (A), times the voltage V in volts (V) divided by 1000: P (kW) = I (A) × V (V) / 1000. 9 hours a day x 30 days = 270 hours in a 30 day month used 270 hours x 60 watts = 16,200 watt hours used by the single light bulb kWh = 1000 watts 16,200 watts/1000 watts = 16.2 kWh used It is possible to find the amperage from kilowatts if you know the voltage of the circuit using Watt’s law. Using the Kilowatt-hours to Kilowatts calculator is simple and will require you to enter the exact units in the appropriate text fields. To calculate kWh, we multiply the power in watts by the number of hours and then divide by 1000 to get kWh. This calculator is estimated to perform faster calculations within seconds. Example: You have a 60 watt light bulb that is on 9 hours a day in a 30 day month. Enter the power factor (PF) 4. Many appliances list … Device Usage (Wh) / 1000 (Wh/kWh) = Device Usage in kWh. Use the following formula to calculate kWh: [1] X Research source The steps below will find a rough estimate of kWh from this number, but your actu…
Let’s multiply by 30 days to simulate an average month. Example: A television using 375 Wh of electricity per day 375 / 100 = 0.375 kWh . Energy consumption calculator. While that might not seem like much, the appliances and devices throughout your home can really start to add up.Now that you know approximately how much energy your appliances and devices consume over the course of a month, we can estimate what that part of your energy bill will cost.© Copyright 2020 Save On Energy - a Red Ventures CompanyNow that we know how many kilowatt-hours the appliance uses per day, we have to estimate that usage over a month. Most high-power appliances have an energy label on the back or base of the appliance.

Plus, check out the formula for the conversion with example calculations. Enter the energy in kilowatt-hours, consumption time period in hours and press the Calculate button: Enter energy in kilowatt-hours: kWh: Enter time in hours: h : Power result in kilowatts: kW: kW to kWh calculator KWh to kW calculation. Please consider supporting us by disabling your ad blocker.Suppose a phone battery of power 200 W lasts for 2 hours.