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Assuming an electricity rate of $0.12 per kilowatt-hour, running a 70-watt light bulb for 1 hour would cost $0.0084 or 0.84 cents. This calculation is done by converting watts to kilowatts (70W = 0.07 kW) and then multiplying by the cost per kilowatt-hour.

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Related Questions

How much per hour does it cost to use a 150 watt light bulb?

To calculate the cost per hour to use a 150 watt light bulb, you would first need to know your electricity rate per kilowatt-hour (kWh). Once you have that, you can convert the wattage of the light bulb to kilowatts (0.150 kW) and multiply it by the electricity rate to determine the cost per hour. Keep in mind that rates vary depending on your location and energy provider.


How much electricity costs when a light bulb is on for a long period of time?

The cost of electricity for a light bulb being on for a long time depends on the wattage of the bulb, the electricity rate per kilowatt-hour, and the duration it is on. To calculate the cost, you can use the formula: (Wattage of bulb / 1000) * hours on * cost per kilowatt-hour.


How much does a light bulb cost to run daily?

You have to have three factors to calculate this cost. First what you are charged per Kw/hr from your power supplier, second the wattage size of the bulb that you want to do the calculation on and third the voltage of the bulb. Give me these and I can tell you how it costs to run the bulb per hour.


How much does a 60 watt light bulb use per hour?

Typical home energy cost is 10 cents per kilowatt hour A 60 watt bulb running for one hour uses 60 watt hours .10 X (60/1000) = .006 cents per hour 16.66 60watt bulbs on for one hour would cost 10 cents.


How much does it cost to run a 60 watt light bulb for 1 hour if electricity costs 10 cent per kilowatt-hour?

1 kilowatt-hour is 1000 watt-hours and 60 watt bulb consume during 1 hour 60 watt-hours of electricity, so then it costs 0.6 cent =>60/1000=0,06*price of 1 kilowatt-hour = 0.6 cent


How much a hour does 100 watt bulb use at 15p?

A 100 w light bulb uses one tenth of a kilowatt of power, therefore in 1 hour it uses one tenth of a kilowatt-hour of energy, that is 0.1 units, or 1.5 p.


How much energy do you save per hour if you replace a 60 W light bulb with a 55 W light bulb?

18,000 J


How much sweat would have to evaporate per hour to remove the same amount of heat a light bulb produces in an hour?

To remove the same amount of heat as a light bulb in an hour (about 60 watts), approximately 200 ml of sweat would need to evaporate per hour. This calculation is based on the heat of vaporization of sweat and the rate of heat production by a light bulb.


What is the energy consumption of a 150 watt light bulb?

A 150 watt light bulb consumes 150 watts of energy per hour when it is turned on.


How much money per hour does a light cost in Ontario Canada?

That would depend on the how many watts the light bulb you are talking about. Also, it would depend on how much your power company charges for electricity.


How much does 9 watt light bulb cost to run for 1 hour?

Unfortunately this answer is dependant completely on the "kilowatt per hour" your company charges you. If I receive this information from you then i will be more than happy to answer your question. -Tychusfindlay919


How much will it cost to run a 100 watt light bulb for one hour if electricity costs ten cents per kilowatt hour?

Converting 14 watts to kilowatts: 14 watts x (1 kilowatt / 1000 watts) = 0.014 kilowatt. Your energy consumption for one (1) hour is 0.014 kilowatt x 1 hr, this is equal to 0.014 kilowatthour. Cost for energy consumption: 0.014 kilowatthour X (20.52 cents / kilowatthour) : 0.28728 cents only