How To Measure For Bra Size And Cup Size

How to measure your bra size is something that seems straightforward, but if yous Google it, you can hands fall down a rabbit hole of confusing information. It's something we often do just in one case (probably a shop bra-fitting back when puberty arrived) then blissfully ignore for the foreseeable time to come. Simply, it's coming at a toll, because research suggests that 90% of British women are actually wearing the incorrect bra size, despite the obvious telltale signs.

Signs yous're wearing the wrong bra size

If your bra doesn't fit properly, chances are you're not getting the best course of support. Some people fifty-fifty report experiencing discomfort such as:

straps slipping off
gaping cups
spillage
underwire digging in
tightness around your rib cage
back and shoulder pain

Can your bra size change?

Aye, absolutely! Your bra size is always going to vary. Factors including diet, weight loss, and hormone fluctuations all contribute, and you lot may even exist totally different cup sizes depending on the brand yous purchase.

Simply guessing games aside, it is expert to have a definitive number and letter to be looking out for to make shopping for a new bra (especially online) enjoyable once again.

All y'all need to measure your bra size at habitation is a record measure, and a slice of paper to have notes of each measurement you brand.

How to measure your bra size at home

First upward, let's mensurate your band size. While braless, bring the record measure around the summit of your rib cage, just below where your bra would usually sit. Pull it snug, only not too tight, and accept the measurement in inches. Write it downwardly considering we'll come up back to it in a second.
Any number you got every bit your measurement (e.g. 30), we're going to add another number to that. And then, if you lot got an even number every bit your measurement, you're going to +iv, or if you got an odd number, +5. E.g. if your original measurement was 30, it would exist 30 + 4 = 34 (band size). Piece of cake, correct?
To measure your loving cup size, wrap the measuring tape around the fullest part of your chest, and write downwards the measurement to the nearest whole number.
We hope you similar maths! Now subtract your calculated band size from step one (e.g. 34) from the bust measurement you've just washed. The deviation in inches determines your loving cup size. E.m. 37 inches (bust) - 34 inches (band) = 3 inches. That's a 34C. Refer to the nautical chart below for a helping hand...

Yeji Kim

It's worth noting that there may be occasions where you need to move up or downward a bra size, depending on the brand and/or style.

Here's a guide for how to move up and down a band or cup size:

Yeji Kim

It may take a few attempts at the cycle of buying, returning, and re-buying in a unlike size to become this totally right, but in one case you know, y'all know.

For case, if y'all're currently wearing a 36C and it's gaping open at the cups, yous may want to endeavour a 36B. Withal, if y'all're wearing a 36C and find the underwire is digging into your sides, information technology may be because you need a 38C.

Signs your bra fits properly

Once yous recollect you're happy with how your bra fits, there are a couple of signs to be sure:

The bra feels secure on the loosest hook. Your bra will lose its elasticity over time, and so starting on the hook that gives the biggest band means that you can tighten it when you lot need to, rather than realising it'southward too big when it's likewise late.

Your straps experience fixed in place just don't dig in. There'due south nothing worse than pulling your bra straps up 100 times a solar day. Tighten your band starting time, and and so tighten your straps and so they're secure, just not hurting.

There is a finger-width of space underneath the ring. A skillful indicator of whether your bra fits you properly is how many fingers you tin slide underneath the band. A well-fitted bra should just let you slide ane finger nether it.

Follow all of these steps and you'll be on your style to some well-deserved, well-cupped boobs. Oh, and a bra that fits properly. If you needed an excuse to hit 'purchase' on that lingerie set that's been sitting in your cart for months...you're welcome.

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Maddy Alford Shopping Editor Maddy is the Shopping Editor at Cosmopolitan and Women's Health, where she styles photoshoots, creates shopping content, and covers celebrity fashion online.