Smokey the cat is thought to have the loudest purr in the world, which revs up as loud as a lawnmower. Most cats purr at about 25 decibels, but Smokey’s purring averages 80 decibels, and often goes up to 92–that’s equivalent to the noise of a lawnmower or hair dryer!
And while we’re at it, do you know why cats purr? Read Why do Cats Purr? after the video.