G30 G40 G50 Round Bulbs – What are their sizes and what does that look like?

April 1, 2017
Video Comparing G30 G40 and G50 Bulbs


It’s spring, and you’re probably pulling out your cords to decorate your patio and pergola. You may have the question, “So, what size are those G30, G40, and G50 round bulbs?” This video answers that question.

The 30, 40, and 50 in these bulbs’ names is the diameter of the bulb in millimeters, but that’s really not that useful. So, here’s some pictures of these bulbs next to a common ping-pong ball.

Shellie Gardner
Aside from throwing dinner parties that feature at least two kinds of cheese dip, Shellie's passions include travel, Mid-Century Modern furnishings and finding the perfect street taco. Has been known to snort laugh champagne.

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