Lumens, watts, and lightbulbs: Know the facts before you buy ... Energy Star has a quick reference chart that roughly matches up old watt numbers with lumens. Projectors.

You would probably want to choose an LED bulb that uses 8 to 12 watts and has a lumen rating of 800 to get the same illumination. This conversion chart will help you find an LED bulb similar to ...

Home-centric weblog Apartment Therapy put this chart together to measure wattage equivalents in lumens, which are a measurement of light output (unlike watts, which is actually a unit of power).

To match the brightness of a 100-watt incandescent bulb, you need an LED bulb that produces around 1,600 lumens. A 60-watt-equivalent bulb has an output of about 800 lumens, and a 40-watt ...

As you can see in the chart above, an incandescent can draw up to five times as many watts for the same number of lumens. Get a sense of the brightness (in lumens) you need before heading to the ...

Q I keep reading articles and hear people talk about lumens from a light bulb and watts from a light bulb. I’m told that if I buy a compact fluorescent lamp, that swirly light bulb, that I have ...

That’s because traditional incandescent bulbs provide just 15 lumens per watt, according to light bulb manufacturer Philips. By contrast, most LED bulbs will get you 75 lumens per watt, ...

An array of energy-efficient light bulbs throw off as much illumination as the old incandescents but burn as little as 6 watts of electricity, making lumens—not watts—the way to understand ...