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A LUMEN is a unit of measurement of light. It measures light much the same way. Remember, a foot-candle is how bright the light is one foot away from the source. A lumen is a way of measuring how much light gets to what you want to light! A LUMEN is equal to one foot-candle falling on one square foot of area.
So, if we take your candle and ruler, lets place a book at the opposite end from the candle. We'd have a bit of a light up if we put the book right next to the candle, you know. If that book happens to be one foot by one foot, it's one square foot. Ok, got the math done there. Now, all the light falling on that book, one foot away from your candle equals both…….1 foot candle AND one LUMEN
What else can I help you with?
How many lumens in an LED to make 60 watts?
There is no direct conversion between lumens and watts for LEDs since they are measured differently. However, as a rough estimate, a 60-watt incandescent bulb produces about 800 lumens. For an equivalent LED output, you would typically need an LED bulb with around 800 lumens.
How many lumens is 3w LED?
it depends, lumens measures light and watts measure power. check out this article; http://wiki.renderplus.com/?title=Lumens_vs_Watts
How many lumen in a 5050 led?
A 5050 LED typically produces around 16 to 20 lumens per chip, depending on the specific model and manufacturer. Since a 5050 LED contains three chips in one package, the total output can range from approximately 48 to 60 lumens per LED. However, the actual lumen output can vary based on the color temperature and efficiency of the LED.
How many watts are in 190 lumens?
The conversion from lumens to watts isn't direct, as lumens measure light output while watts measure energy consumption. The efficiency of the light source affects the conversion; for example, an LED bulb typically produces about 80-100 lumens per watt. Therefore, 190 lumens would require approximately 2-2.4 watts if using an LED bulb, but this can vary with different types of bulbs.
How many watts is 10000 lumens?
The conversion from lumens to watts isn't direct, as it depends on the efficiency of the light source. For example, LED lights typically produce about 80-100 lumens per watt, while incandescent bulbs produce around 10-17 lumens per watt. Therefore, for LED lighting, 10,000 lumens would require approximately 100-125 watts, while for incandescent bulbs, it could require 600-1,000 watts.
How many lumens in led strip lights?
About 80 lumens per watt of electric power is normal for LEDs.
How many lumens does a good projector have?
A good projector will have 2000 or more lumens, but an LED projector will have much less.
How many lumens in an LED to make 60 watts?
There is no direct conversion between lumens and watts for LEDs since they are measured differently. However, as a rough estimate, a 60-watt incandescent bulb produces about 800 lumens. For an equivalent LED output, you would typically need an LED bulb with around 800 lumens.
How many lumens does an 18 watt CFL give off?
Currently maximum LED luminous efficiency is about 114 lumens/W, measured at 50mA. Average luminous efficiency is about 104 lumens/W. Ordinary LED light effect is about 60 lumens / W. 18W is about 130 lumens is about 1080 lumens.
How many lumens is one candlepower?
100 lumens=1257 candlepower from what I have found
How many lumens is 3w LED?
it depends, lumens measures light and watts measure power. check out this article; http://wiki.renderplus.com/?title=Lumens_vs_Watts
How many lumens per watt?
161 lumens I believe the above answer to be inaccurate. It depends on the light source. For example: For an incandescent light bulb 1 watt it is approx. 18 Lumens. However most LED's use only about 10% the wattage to produce the same amount of light. So for LED's .1 watt produces 18 Lumens.
How many lumens make 1 ANSI Lumens?
One lumen makes up 1 ANSI lumen as they both measure the same output of light. ANSI lumens are used exclusively for measuring the output of projectors.
How many lumens do you need to replace a 400 watt halogen with a led flood light?
From halogen to LED you can divide by 4 to find the equivalent. Therefore an 80 watt LED would do the job.
How many lumens does a laser produce?
If you have the wattage of the laser you can plug it into a formula X/P=L. Where One lumen is equal to 0.001496 watts (1.496mW) which is Power. X is the number of watts or milliwatt and L is Lumens. So if you have a 1 watt laser you have 668.449 lumens being produced by it.
What is the unit of measurement for a light from a LED?
usually lights are measured in lumens
How many watts is 2800 lumens?
There is no direct conversion between lumens and watts as they measure different things. Lumens measure the total amount of visible light emitted by a source, while watts measure the amount of energy consumed or produced. The equivalence between lumens and watts depends on the type of light source (i.e., incandescent, LED, etc.) and their efficiency.
