Science

# How many watts does an led bulb consume?

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###### 2011-01-04 21:58:29

LED bulbs come in different sizes and powers.

Roughly they consume about 10% of the power to create the same amount of light as a normal bulb.

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## Related Questions

Joules (energy) are not equivalent to Watts (power).If something converts 6 Joules every second, it is 6 Watts. If it takes ten seconds to convert 6 Joules, its power is 0.6 Watts.Multiply the Watts by the seconds to find the Joules.CommentYou do not 'consume' power. Power is simply a rate; you cannot consume a rate! You consume energy; the rate at which you consume it is power.

There are 1350 watts in a 60 hz bulb. There is a push not for everyone to transfer to led bulbs.

Apples and oranges. The led quantity, quality and effeciency make all the difference. As far as a 60 volt bulb... How many WATTS?

LED bulbs com in different powers, so there's no way to tell. At a guess a 10W LED might compare to a 60W incandescent.

Light Emitting Diodes (LED) consume approximately seven (7) watts (or power).

That depends on the type of bulb AND on it's power usage. An old incandescent bulb of 100 watts uses about an amp, a 60 watt uses about a half amp. But a florescent bulb putting out the same light would consume about half the current, and a LED bulb would use less than half that.

It differs just like the regular bulbs. What's great about LED light bulbs is that, you only need lesser watts than the normal because of its high efficiency. A typical low-current LED would be rated for 2 mA at about 2 V consumes about 4 mW (4 milli watts or .004 watts).

Yes, that should not be a problem. The wattage maximum on the light fixture refers to the actual power used by the bulb, which is probably about 20 watts for a "100 W equivalent" LED bulb. The packaging for the LED bulb should state the actual power used.

Depends on the size of the LED light and the voltage applied. An example is an LED 24 volt globe light that pulls 8 watts which draw 0.333333 amps. Take an LED 120 volt light bulb draws 12 watts and will pull 0.1 amps. The same bulb at 240 volts wil draw 0.05 amps. it really depends on the watts and voltage applied. An average would be about 0.1 amps.

There are many different varieties of LED strip lights, the watts is usually measured per one metre of the LED strip. The most common watts per metre LED strip on the market today is 4.8 watts p/m and 14.4 watts p/m. The total amount of watts for your LED strip would then be worked out by multiplying the wattage p/m by the overall length of your LED strip. The wattage of the LED strip usually determines the brightness of the LED strip. Usually the higher the wattage, the higher the output. Output is measured in lumens.

A standard 1157 bulb has a 5 to 8 watt dim element and about a 21 watt bright element. An aftermarket 1157 LED bulb is between 3 an 5 watts total.

The brightness of a light bulb is determined by its filament's watts. This is only the case with incandescent light bulbs - LED and fluorescent bulbs operate differently.

Each LED lamp is different. There will be a specification for the real wattage and sometimes you will see the LED compared to the light output of a traditional incandescent bulb wattage. You need to look carefully at the LED specification. Two important numbers are lumens and color temperature in Kelvin. You can get specific data on web by searching for color temperature and lumen comparisons on the web.

Since LED bulbs come in a variety of sizes there is no one answer. If we consider Watts then LED bulbs from 1 to 12 Watts are common. The higher end of quality LED lights that are commercially produced generally yield about 80 lumens per Watt. This means for a 10 Watt LED bulb your looking at 800 Lumens. This is higher than both CFL and incandescent lights. LED bulbs can save money in the long run due to the lower energy use, but they require a larger up front investment. See below for a link to an example of an LED bulb that produces 460 lumens.

For comparable lumens you pay less for energy efficient bulbs. For example, a typical 75 watt incandescent bulb provides about 850 lumens. The same light from an LED bulb would only consume about 12 watts. So even though the LED costs more to buy, it costs only about 16% of the cost of a comparable incandescent to operate.

Incandescent bulbs can be replaced by LEDs and the power used will drop by 80-90% for equal brightness. A 10 watt LED replaces a 100 watts incandescent, but beware of the word 'equivalent' in packing, which is always misleading. Brightness is measured in lumens, while electricity usage is measured in watts.

If the exit fixture uses a LED lamp it will have a 1 to 3 watt rating. If it is a incandescent bulb, each lamp will draw about 25 watts each.

Watts are a unit of power. So 40 watts of power to an LED are the same as 40 watts of power to a fluorescent. Sometimes LEDs are rated in equivalent watts which is an attempt to relate watts to brightness or lumens. You need to compare lumens and the "temperature" of the bulbs in Kelvin to get the comparison I think you are looking for.

Brightness is measured in lumens so the bulb has a brightness of 100 lumens. The electrical power the bulb uses is measured in watts. The efficiency of a bulb is expressed in the number of lumens produced per watt of electric power.

220 lumens is equal to a tungsten incandescent light bulb of 15 watts. Halogen lamp 20 watts. Fluorescent lamp 60 watts. LED lamp 60 watts. high pressure sodium vapour lamp 117 watts. Mercury vapour lamp 50 watts or 17.32 candle power

The typical household light bulb is the incandescent, they come in a variety of watts. Most used is the 40 watts, 60 watts, and 100 watts. Incandenscent are inexpensive and are the most common bulb for traidtional homes. Although fluorescent light bulbs are common in kitchens. Halogen light bulbs are more effeicient than incandecent they are better suited for offices, kitchens and lmaps. CFL (Compact Fluroescent Light) Bulb last longer than traditional incandescent. The LED (light emitting diodes) are becoming popular.

The general amount of watts for an LED light torch is 3 watts.

Depends on the size TV, if it is LCD, LED, or Plasma. They range from 100 to 300 watts.

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