The Complete Guide To Brightness Equivalencies

For years, we used wattage as our guide when shopping for light bulbs. We could walk into a store, pick up a 60-watt incandescent light bulb, and be on our way.

But the times have certainly changed. Lumens have replaced watts as the go-to measure for a light bulb’s brightness. Here’s why:

Watts = the amount of energy that a light bulb uses.

Lumens = the amount of light emitted from a light bulb.

As energy-efficient light bulbs became available – first CFLs, and now LEDs – we were able to buy light bulbs that required less energy (watts) without sacrificing lumens. While this new way of shopping for energy-efficient light bulbs takes some getting used to, our packaging takes the guesswork out of shopping for LEDs. All Westinghouse LED light bulb packaging specifies the bulb’s lumen output as well as the equivalent incandescent wattage. Overall, LEDs provide a better value than incandescent light bulbs.

Refer to this brightness equivalency chart below to help find the bulb that fits your needs.

Lumens Example

To learn more about brightness equivalencies and energy savings, visit our Lighting Education page.

Still have questions? We’re here to help! Leave us a comment below.

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