Would I Suit A Short Hair Cut? The 2.25 Rule Can Help You Decide

Would I Suit Short Hair? This Simple Rule Could Help You Decide

Ever headed to the hairdressers determined that this time you will finally get a pixie cut or WOB, only to chicken out at the last moment?

We know we certainly have. Going for a dramatically different hairstyle is a big decision, especially if you are unsure it will suit your face shape - trust us, we've tried using hair pins to fake a shorter look and it just doesn't work.

But John Frieda claims to have come up with a simple formula, called the 2.25 rule, that will tell you in an instant if a short style will work well for you.

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Speaking about the measurement discovered by his boss, Giles Robinson, international training director of Color Wow and senior stylist at John Frieda Salons UK, said:

"It's all about angles. John studied faces and saw that the angle of the jaw bone determined whether or not someone would look best with short hair or long hair. He figured out an exact, easy to understand measurement that clearly indicates whether a face is suited to long hair or short hair."

And you won't need to visit a hair salon to try out the 2.25 rule for yourself. All you need is a pencil and a ruler.

Place the pencil under your chin horizontally. Then place the ruler under your ear, vertically. The point at which the pencil and ruler meet indicates a measurement.

If that measurement is less than 2.25 inches, then like Halle Berry and Audrey Hepburn, your face is made for short hair, advises the team at John Frieda. If that measurement is more than that length, like Kim Kardashian and Sarah Jessica Parker, then long hair will be the most flattering choice.

However, when it comes to style there are no hard and fast rules. So our advice if you've been thinking about loping off your locks... go for it.

Scroll through the gallery below for more short hair style inspiration from Sienna Miller, Scarlett Johansson and Jourdan Dunn:

Short Hairstyle Ideas For Women
Tousled Bob(01 of22)
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Sienna Miller's chic tousled bob is the epitome of cool girl chic. (credit:Steve Granitz via Getty Images)
A Sleek And Straight Bob(02 of22)
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Jessie J's sleek, blunt bob is perfect for both day and night. (credit:Jon Kopaloff via Getty Images)
The Edgy Almost-Bob(03 of22)
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Kristen Stewart's hair just keeps on getting better. It's perfect amounts chic and badass. (credit:Pascal Le Segretain via Getty Images)
Natural Waves And Fringe(04 of22)
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Carey Mulligan's natural wavy bob is perfect for the low maintenance girls of the world. (credit:Max Mumby/Indigo via Getty Images)
Textured Bob(05 of22)
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Jourdan Dunn's textured bob is one of the best around. (credit:Gareth Cattermole via Getty Images)
Shaved Sides(06 of22)
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ScarJo pulls off this rocker-esque hairstyle like a total pro. She's also living proof that short hair can look super glamourous. (credit:Dan MacMedan via Getty Images)
Vintage Curls(07 of22)
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Bring out your inner Marilyn Monroe with a retro-inspired curly bob like Coco Rocha. (credit:Monica Schipper via Getty Images)
The Perfect Pixie(08 of22)
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Ginnifer Goodwin's pixie cut is about as good as it gets when it comes to the cropped style. Perfect! (credit:Steve Granitz via Getty Images)
The Textured Overgrown Pixie(09 of22)
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Lily Collins has mastered the rocker chick look with her cropped 'do. (credit:Jon Kopaloff via Getty Images)
The Laid Back Bob(10 of22)
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Anne Hathaway's easy breezy bob is another great look for those who like a simple hairstyle. (credit:Jon Kopaloff via Getty Images)
The Bleached Pixie(11 of22)
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Charlize Theron's bleached out pixie cut was so great, we almost (almost) wanted to get it for ourselves. If only we looked like her... (credit:Jason Merritt via Getty Images)
The Gracefully Grown Out Pixie(12 of22)
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The actress is one of the few people in this world who actually made a growing pixie cut look chic. (credit:Axelle/Bauer-Griffin via Getty Images)
Long Fringe And Layers(13 of22)
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Halle Berry's fringed 'do is edgy, sleek, and fashion forward all at once. (credit:Jason LaVeris via Getty Images)
The Polished Bob(14 of22)
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We absolutely love Evan Rachel Wood's sleek straight bob -- perfect for any occasion, and also a super flattering length on anyone. (credit:Jim Spellman via Getty Images)
The Fashion Mullet(15 of22)
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Edie Campbell's fashion mullet is a little bit strange, sure, but we quite like it. Be warned though: this style is one for the adventurous! (credit:David M. Benett via Getty Images)
The Slicked Back Crop (16 of22)
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Miley's slicked back look is great for showing off your gorgeous facial features. (credit:Jon Kopaloff via Getty Images)
The Fringed Pixie(17 of22)
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Ever since Robin Wright chopped off her flowing blond locks in favour of a cropped style, her style game was sufficiently upped. (credit:Tim Whitby via Getty Images)
The Super Short Pixie(18 of22)
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Zendaya was spotted wearing this cute pixie cut during New York Fashion Week and we couldn't stop obsessing. The young star looks amazing! (credit:Daniel Zuchnik via Getty Images)
The Middle-Parted Bob(19 of22)
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Jennifer Lawrence, like Charlize Theron, managed to grow out her pixie cut with grace. Now, she's sporting a perfect wavy bob, and we love it. (credit:Mike Marsland via Getty Images)
Heavy Fringe(20 of22)
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What can we say? We're suckers for bold bangs. (credit:Jon Kopaloff via Getty Images)
The Tousled Pompadour(21 of22)
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Shailene Woodley's puffed up pompadour is a great alternative to heavy fringe. (credit:Jeffrey Mayer via Getty Images)
The Colourful Crop(22 of22)
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Nicole Richie ditched her blunt bob for a choppy cropped 'do, and we have to say, we kind of love it. (credit:Gregg DeGuire via Getty Images)