Quick Answer: Lumens give an accurate measure of light, regardless of Wattage. In this scenario, the increasing Wattage means nothing, as the brightest bulb is actually the lower Wattage LED, and the most dim bulb is the highest Wattage Halogen bulb. This presents some consumers with something of a puzzle when faced with a choice between a 13W LED bulb, a 15W CFL bulb, and an 18W Halogen bulb. Due to the overwhelming longevity and energy efficient benefits of installing LED lights throughout the home, LEDs have quickly taken over as the savvy choice of domestic bulb. However, bulbs have moved on, and this is no longer the case. Therefore, Watts naturally became an indication of brightness. The reason for the confusion is that traditional - and now largely obsolete - incandescent bulbs emitted light by means of passing electricity through a suspended filament that burned at a higher temperature and brightness in correlation to the greater amount of Watts being passed through it. ![]() So why did we ever use Watts to measure brightness in the first place? We didn’t. The greater the Wattage, the higher the power supply to the bulb (which technically says nothing about the expected brightness). ![]() What are Lumens? Firstly, Wattage measures power not brightness. But what are lumens? And why has Wattage been abandoned as the standard unit of brightness? How are we supposed to gauge which bulb to use? Luckily, we’ve put together a Lumens to Watts chart, because Lumens are the new measure of brightness and they’re here to stay. If you have recently purchased a light bulb, you may have noticed a switch on the packaging from Watts to Lumens.
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