But why is 30 inches the magic number? Is it because it's the perfect width for sliding a large cookie sheet in and out of the oven? Or is it simply a matter of convention and tradition? Whatever the reason, it's interesting to note that most kitchen stoves are designed to fit neatly into a standard 30-inch wide space.
Of course, not all kitchen stoves are created equal, and some high-end models can be much wider, sometimes up to 48 inches or more! That's like the width of a small car, or a grand piano! But for the average home cook, a standard 30-inch stove is more than enough to get the job done.
Stove Dimensions for Your Kitchen – What's the Perfect Fit?