What do the numbers on LED light bulbs mean?
A low number indicates warm light. … The cooler temperatures (higher numbers) tend to appear “brighter”, and often LED manufacturers will use lower wattages at higher color temperatures in order to make their product appear brighter.
How can you tell how bright an LED light is?
On packaging, the lumen rating is indicated by a number followed by “lm,” the abbreviation for lumens. The higher the lumen rating, the brighter the bulb will be.
What is a 60 watt LED light equivalent to?
For example, a 60-watt incandescent light bulb gives approximately 800 lumens; therefore, to replace a 60-watt incandescent bulb with a LED bulb of the same brightness, one should purchase a LED bulb that also gives 800 lumens. A 60-watt incandescent light bulb can be replaced with a 10-watt LED. E.
How do I know which LED bulb to buy?
2. Determine much light you need
- If you used to buy 100 watt bulbs, look for a bulb with 1600 lumens.
- If you used to buy 75 watt bulbs, look for a bulb with 1100 lumens.
- If you used to buy 60 watt bulbs, look for a bulb with 800 lumens.
- If you used to buy 40 watt bulbs, look for a bulb with 450 lumens.
How do you know if a light bulb is yellow or white?
Light color or appearance is measured on the Kelvin (K) temperature scale, and it’s the difference in soft white versus daylight bulbs. Lower Kelvin numbers mean more yellow light; the higher the Kelvin number, the whiter or bluer the light.
What wattage of light bulb is best for reading?
In choosing bulbs for a reading lamp, ”the old three-way, 50-100-150-watt soft-glow bulb is the most comfortable and useful,” Mr. Cline says.
How do I choose the right lumens?
Determine the Needed Lumens A lumen is a unit measurement of light. To determine the needed lumens, you will need to multiply your room square footage by your room foot-candle requirement. For example, a 100 square foot living room, which needs 10-20 foot-candles, will need 1,000-2,000 lumens.