The medium chop has been the go-to style for celebs and real girls alike for some time now. Everyone from Selena Gomez to Kate Hudson have ditched their long locks for a shoulder length 鈥榙o 鈥 and it鈥檚 no surprise why. The look is low maintenance, fresh and still super versatile. But if you鈥檙e currently rocking a lengthy style, it can be hard to decide whether or not to take the short hair plunge. For those of you on the fence, we have discovered an easy way to test whether or not short hair is right for your face shape. Introducing the 2.25-inch rule.

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The 2.25-inch rule, which was created by John Frieda himself, measures the angle of your jaw line to determine whether long or short hair will suit you best. No longer do you have to photoshop your face onto celebrities鈥 luscious manes. Ready to test it out? Grab a ruler and a pencil. Place the pencil under your chin horizontally and then place the ruler under your ear vertically. The intersection of the pencil and ruler indicates a measurement. If the pencil鈥檚 tip points to a measurement less than 2.25 inches, short hair could be a great option for you. If that measurement is greater than 2.25, long hair may be the way to go.

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To put this theory to the test, I gave it a whirl. My measurement came in right at 2.25 inches. I鈥檓 going to take this as a sign that I鈥檓 something of a magical hair chameleon who can sport either long or short locks. This comes as welcome news, considering I鈥檝e been rocking a shoulder-length cut for about three years now.

Did you try the theory? What did your measurements come out to? Share with us in the comments below.

(Photo via Daily Mail)