How much electricity does a CFL bulb use?

Asked By: Naji Villachica | Last Updated: 9th May, 2020
Category: automotive motorcycles
4.4/5 (172 Views . 42 Votes)
An average CFL bulb which provides 800 lumens will use only 13 to 15 watts compared to a similar incandescent bulb which uses 60 watts. Click calculate to find out the electricity cost of a single CFL light bulb running at 14 Watts for 5 hours a day @ $0.10 per kWh, you can also modify the calculator.

Click to see full answer


Consequently, how much does it cost to run a light bulb for 24 hours?

So the cost of replacing per 24 hours will be 24x 2/ 1000 or 4800/1000 cents or 4.8 cents. so the total cost in cents is . 24+0.01+ 0.048 = 0.0298 or 29.8 cents. As you see cost calculations depend upon the situation.

Subsequently, question is, how much electricity does a light bulb use? Appliance Electricity Usage

Appliance Typical Consumption Per Hour Cost Per Hour (at 10 cents per kilowatt-hour)
Electric range burner 1,000 watts 10 cents
Refrigerator 1,000 watts 10 cents
Desktop computer and monitor 400 watts 4 cents
Incandescent light bulb 60 watts 0.6 cents

Likewise, are CFL bulbs energy efficient?

CFLs are four times more efficient and last up to 10 times longer than incandescents. A 22 watt CFL has about the same light output as a 100 watt incandescent. CFLs use 50 – 80% less energy than incandescents.

How much electricity does a 25w bulb use?

at 10 cents per KWH, it will cost $22 to run that sucker 24/7 for a year. About 6 cents a day. You can double those numerbs if your electricity is 20 cents per KWH. Remember this is for real watts, not equivalent watts of light.

34 Related Question Answers Found

What uses the most electricity in a home?

Here's what uses the most energy in your home:
  • Cooling and heating: 47% of energy use.
  • Water heater: 14% of energy use.
  • Washer and dryer: 13% of energy use.
  • Lighting: 12% of energy use.
  • Refrigerator: 4% of energy use.
  • Electric oven: 3-4% of energy use.
  • TV, DVD, cable box: 3% of energy use.
  • Dishwasher: 2% of energy use.

Does TV use a lot of electricity?

How much electricity does my television use? Most TV's use about 80 to 400 watts, depending on the size and technology. Using a sample cost of 15¢ per kilowatt-hour and five hours of viewing a day, that's $1.83 to $9.13/mo. ($22 to $110 per year).

How much does a 13 watt bulb cost per hour?

An average CFL bulb which provides 800 lumens will use only 13 to 15 watts compared to a similar incandescent bulb which uses 60 watts. Click calculate to find out the electricity cost of a single CFL light bulb running at 14 Watts for 5 hours a day @ $0.10 per kWh, you can also modify the calculator.

How much energy does a 100 W light bulb use in 8.0 hours?

A kilowatt-hour is 1,000 watts used for one hour. As an example, a 100-watt light bulb operating for ten hours would use one kilowatt-hour. Below are some examples of electrical appliances found in most homes. These examples are using a 10 cents per kWh rate.

Does leaving lights on increase electric bill?


While turning off lights saves energy generally, the answer about whether you waste more electricity by turning lights on and off is that it depends. Sometimes it can actually be cheaper to leave a light on rather than turn it off. They're the least efficient light and 90% of the energy they use is heat.

How much does it cost to run a 1000 watt LED grow light?

Grow Light Operating Cost
1000 watt Sodium 600 watt Sodium
Ballast Wattage 1100 665
Cost per Month $52.80 $31.92
Initial Lumens 130000 89000
Mean Lumens 126000 81000

How much energy does a 60 watt bulb use in 24 hours?

One Kilowatt delivered for one hour. It varies in price. I pay around 15 cents for one kWh. In your exame 6o watts bulb × 24 hrs = 1440 watt hours or 1.440 kWh which would cost me around 22 cents.

How much does it cost to run a LED light bulb for 1 hour?

If you used a bulb for just two hours a day and paid the national average of 11.5 cents per kilowatt hour, a single 12-watt LED will cost you about $1 per year. Comparable CFLs that consume about 14 watts come to $1.17 per year and about $5 a year for 60-watt incandescents in that scenario. (See formula.)

Is it worth switching to LED bulbs?

The lifetime cost of LED bulbs
The first thing you need to realize about the lifetime cost of LEDs is that they are VERY energy efficient, as in 80% more efficient than incandescent bulbs. No doubt, LEDs are just more energy efficient – a 10 watt LED bulb does the same work as a 60-watt incandescent bulb.

Which bulb is better CFL or LED?


LED bulbs require much less wattage than CFL or Incandescent light bulbs, which is why LEDs are more energy-efficient and longer lasting than their competitors. The lower the wattage needed, the better.

How bright is 1800 lumens?

For instance: 40 Watt incandescent lamp produces only 380-460 lumens and uses 40 Watts of energy per hour. 100 Watt incandescent lamp produces 1700 – 1800 lumens and uses 100 Watts of energy per hour. Direct sunlight is around 100k lumens and uses no amount of energy per hour.

Can I replace gu24 CFL with LED?

The GU24 base is unique to compact fluorescent (CFLs) and LED bulbs. So when replacing a CFL with an LED bulb, make sure to either match the same color temperature or switch to a warmer (lower number) or cooler (higher number) if not satisfied with your existing lighting.

Why is CFL better than LED?

CFL bulbs were made to take the place of incandescent bulbs, which generate light as a result of heat. LED (light-emitting diode) is a type of bulb that produces light using a narrow band of wavelengths. LED lighting is more energy efficient than CFL bulbs, as well as all other types of fluorescent lighting.

What would a 100% efficient light bulb do?

A 100% efficient light bulb would convert all the electricity to light and not produce any heat at all. Explain that an LED is 90% efficient, a compact fluorescent bulb is 85% efficient, and an incandescent bulb is only 10% efficient.

Are LED lights bad for your eyes?


LED light can damage eyes, health authority warns. The "blue light" in LED lighting can damage the eye's retina and disturb natural sleep rhythms, France's government-run health watchdog said this week. LED uses only a fifth of the electricity needed for an incandescent bulb of comparable brightness.

Can I put a 100w LED bulb in a 60w?

LED bulbs that deliver 800 lm are considered to have equal light output to standard 60W bulbs. If your fixture is rated to accept 60 Watts, you can safely use 75W, 100W, or even 125W equal bulbs (which all draw less than 50 Watts of power) instead.

What is a 7 watt LED bulb equivalent to?

LED equivalents to halogen light bulbs
Halogen Light Bulb Wattage LED Equivalent Wattage
100 Watt 12 Watt
75 Watt 11 Watt
60 Watt 8 Watt
50 Watt 6 Watt