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Every battery has a rated life in kilowatt hours or ampere hours. There is no way of knowing what battery you are referring to. To supply one 1000 watts (1 kilowatt) of energy at 12 volts, the battery must supply 83.33 Amps at 12 Volts. If battery supplied 83.33 Amps for one hour then 1 KWh would be the result.

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14y ago
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14y ago

Most cars run off a twelve volt battery.

12 VOLTS DOES NOT EXISTS ON CARS TRY 13.68 VOLTS. And any variation around that. That needs to be explained if someone try it to get 12v.

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Q: How many kwh are used by a 12 volt battery?
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How much power is in a 120V line?

Most 120 Volt appliances have their Watts listed somewhere on the appliance. Divide this number by 1,000 to get kilowatts. Determine the rate you are charged for electric power. Your electric bill will tell you how many kWh(kilowatt hours) you use, and what the total charge is. Divide your total charge ($?) by the kWh used. In northern Illinois, we are charged about $0.11 per kWh. Multiply the number of hours the appliance is used by its power consumption in kilowatts. This gives you the number of kWh the appliance used. Then multiply that kWh value by the rate for your area that you determined from your electric bill. That will be the cost for the number of hours the appliance was on. Example: If I toast 2 slices of bread in my toaster, it takes about 3 minutes, or 0.05 hours. My electric bill is $61.38 and I used 558 kwh for that month. Dividing $61.38 by 558, I get about $0.11 per kWh. So, I divide my toaster Wattage (750) by 1,000 to get 0.75 kW. So now I can multiply the hours that the appliance was used (0.05) by its power consumption rate in kW (0.75). This result is 0.0375 kWh of energy used. Then I can multiply the rate the electric company charges ($0.11) by the energy used (0.0375 kWh). The final result is $0.004125.


How many watts are in a kwh?

A 1000 watt device operated continusouly for 1 hour would equal 1 Kwh.


How can you convert 110 amp hours in a battery to kilowatt hours?

Ohm's law is P=VI for single phase and 1000 watts per KW where P,V,I denote power,voltage,current so KW = amps *110/1000. So 9.1 amps gives ~1 KW If three phase, it is adjusted by the square root of 3.


If i use 1930 kWh in a year how many Kw is that?

Since there are 6366 hours in a year, 1930 kWh is about 0.3 kW per hour. (1930 / 6366)


How many kWh in 750 kW?

KWH = KW times hours If you run a 750 KW load (lights, motors, so forth) for 1 hour, you have 750 KWH. If you run it for 1/2 hour, 750 KW X .5 hours = 375 KWH. If you run it for 5 hours, 750 KW X 5 = you do the math.

Related questions

How many kwh would be used if a 40amp service were run to capacity 24hours a day seven days a week for 365 days?

If it's 120-volt service: 42,048 kwhIf it's 240-volt service: 84,096 kwh


How many kWh can car batteries provide?

kwh means Kilowatt Hour..used by the electric company to monitor how much you owe them.it is not a term for a car battery.....your regular car battery has 12 volts of power


How many electron volts per kilowatt hour?

One kWh has 2.25 x 1025 eV. (The electron-volt is a very small unit, used in particle physics.)


What does it cost to charge a battery?

If the national average cost of consumer electricity is 13 cents per kilowatt hour and you are attempting to charge a 12 volt 70 amp hour car battery, then the cost of charging the battery may be calculated. The battery is imperfect and will require about a third more than its ampere hour rating to fully charge it. Assume it will take 100 ampere hours to charge the 70 ampere hour battery. At a charge voltage is necessarily above the battery voltage, usually at about 16 volts, and 100 ampere hours, the result is 1600 watt hours or 1.6 KWH The cost is then 20.8 cents to charge the battery calculated from 1.6 KWH times 13 cents per KWH.


How much power is in a 120V line?

Most 120 Volt appliances have their Watts listed somewhere on the appliance. Divide this number by 1,000 to get kilowatts. Determine the rate you are charged for electric power. Your electric bill will tell you how many kWh(kilowatt hours) you use, and what the total charge is. Divide your total charge ($?) by the kWh used. In northern Illinois, we are charged about $0.11 per kWh. Multiply the number of hours the appliance is used by its power consumption in kilowatts. This gives you the number of kWh the appliance used. Then multiply that kWh value by the rate for your area that you determined from your electric bill. That will be the cost for the number of hours the appliance was on. Example: If I toast 2 slices of bread in my toaster, it takes about 3 minutes, or 0.05 hours. My electric bill is $61.38 and I used 558 kwh for that month. Dividing $61.38 by 558, I get about $0.11 per kWh. So, I divide my toaster Wattage (750) by 1,000 to get 0.75 kW. So now I can multiply the hours that the appliance was used (0.05) by its power consumption rate in kW (0.75). This result is 0.0375 kWh of energy used. Then I can multiply the rate the electric company charges ($0.11) by the energy used (0.0375 kWh). The final result is $0.004125.


How many kwh is mwh?

1 MWh is equal to 1,000 kWh.


How much does it cost to use a 100 watt 120 volt light bulb?

At 10 cents per kWh (Kilowatt hour), one 100 watt incandescent light bulb ran for 24 hours straight will cost 24 cents a day. $7.30 a month, $87.60 a year. kWh = (Watts Used * Hours per Day * Days per Month) / 1000 Cost per Month = kWh * Cost per kWh


How many kWh will a 32 watt fluorescent bulb use?

A 32 watt bulb uses 32 watt-hours, or 0.032 kWh, every hour it is used.


How many joules is 1 kWh equal to?

1 kWh is equal to 3.6 million joules.


How many kwh does a pellet stove use per month?

100 kWh


How many KWh does an average 3000 squ house use?

The average energy consumption for a 3000 square foot house is around 30,000 kWh per year. However, this can vary depending on factors such as location, climate, insulation, and energy efficiency of appliances. It's recommended to conduct an energy audit to determine the specific energy usage of the house.


How many unit in 1kwh?

1 kwh is the unit used by electricity companies for pricing and billing.