It depends on the bulb, how many watts it is.
All bulbs are marked with the correct voltage and the power taken, in watts. You multiply the watts by the number of hours to find the watt-hours of energy used. Then divide by 1000 to find the kilowatt-hours. A kilowatt-hour is also called a unit and you pay about £0.15 for a unit of electricity.
Let's say it's a 100 watt bulb running for 24 hours. That uses 2400 watt-hours or 2.4 kilowatt-hours, which costs about 2.4 x £0.15 which is £0.36.
ahm...depends on the cost per watt charged by your local provider... how much is it?
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.
The average lifetime of an incandescent bulb is around 2000 hours.
$40.00 a year
In 100 hours it will use 6 kilowatt-hours (units) of electrical energywhich would cost around £1 or $1.
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.
The cost of a LED light bulb can vary depending on the brand, brightness, and design. On average, a basic LED light bulb can cost between $2 to $10. Specialty LED bulbs with advanced features may cost more.
About 7 cents an 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
isang milyon
The cost to run a 12V bulb will depend on the wattage of the bulb and your electricity rate per kilowatt-hour. To determine the cost, you would need to divide the wattage of the bulb by 1000 to convert to kilowatts, then multiply by the hours used and your electricity rate.
The cost to run a 1000 watt light bulb for 24 hours is dependent on your electricity rate. Assuming an average rate of $0.12 per kilowatt-hour, it would cost $12 to run the light for 24 hours (1000 watts = 1 kilowatt).