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How to Measure Bra Size

Fitting Advice

 

“In my experience fitting with a tape measure is only accurate on an A-D cup bust size, upto about a size 14, after this it is very rare that you get the exact fit. Choosing a bra within different brands, styles, colours and fabrics can all add to a difference in size.” - Debra

 

BRA FITTING GUIDE

 

In-store we assess each bra on the body to ensure you have the best fit possible. We are passionate about fitting you for a bra because a correct fitting bra can stop all sorts of common problems. In 16 years, we are proud to say we have professionally fitted over 1,000,000 women for their bras.
We understand the challenges of buying the right size bra online. That’s why we have created this guide to help you measure your bra size accurately at home. We believe there is a bra for everybody so if you’ve ever wondered, “What bra size am I?”, read on to find out.

BRA SIZE MATRIX - HOW TO PROPERLY MEASURE BRA SIZE

The measurement tables below are a good guide, they are not an exact science. While they might be accurate and work well for women with smaller busts, it’s not always the case for fuller busts. That’s why it is important to assess bra fit too. Please see below images for good and ill fitting bras which should help you when selecting your size if you are unable to visit us in store.

 

HOW TO MEASURE BRA BAND SIZE (UNDER-BUST)

The under-bust measurement will establish the size of the band (the bit that goes round your body). Remember that many bra bands have some elasticity which is why it is important you hold the tape measure firmly around your body while taking measurements. You don’t want any slack as a firmly fitting band will provide the most support, alleviating pressure on your shoulders from bra straps.

UNDERBUST SIZE (CM) 65-67 67-72 72-77 77-82 82-87 87-92 92-97 97-102 102-107 107-112 112-117 117-122 122-127
BAND SIZE 8 10 12 14 16 18 20 22 24 26 28 30 32
US BAND SIZE 30 32 34 36 38 40 42 44 46 48 50 52 54

HOW TO MEASURE BRA CUPS SIZE (OVER-BUST)

The over-bust measurement will help establish your cup size. Place the tape measure around your body ensuring it is straight and without kinks. Then move it up to sit over the widest part of your breasts - often over the nipple. You’ll want it sitting lightly while you take the measurement. 

 

  A B C D DD E F FF G GG H HH J JJ K
8 77-79 79--81 81-83 83-85 85-87 87-89 89-91 91-93 93-95 95-97 97--99 99-101 101-103 103-105 105-107
10 82-84 84-86 86-88 88-90 90-92 92-94 94-96 96-98 98-100 100-102 102-104 104-106 106-108 108-110 110-112
12 87-89 89-91 91-93 93-95 95-97 97-99 99-101 101-103 103-105 105-107 107-109 109-111 111-113 113-115 115-117
14 92-94 94-96 96-98 98-100 100-102 102-104 104-106 106-108 108-110 110-112 112-114 114-116 116-118 118-120 120-122
16 97-99 99-101 101-103 103-105 105-107 107-109 109-111 111-113 113-115 115-117 117-119 119-121 121-123 123-125 125-127
18 102-104 104-106 106-108 108-110 110-112 112-114 114-116 116-118 118-120 120-122 122-124 124-126 126-128 128-130 130-132
20 107-109 109-111 111-113 113-115 115-117 117-119 119-121 121-123 123-125 125-127 127-129 129-131 131-133 133-135 135-137
22 112-114 114-116 116-118 118-120 120-122 122-124 124-126 126-128 128-130 130-132 132-134 134-136 136-138 138-140 140-142
24 117-119 119-121 121-123 123-125 125-127 127-129 129-131 131-133 133-135 135-137 137-139 139-141 141-143 143-145 145-147
26 122-124 124-126 126-128 128-130 130-132 132-134 134-136 136-138 138-140 140-142 142-144 144-146 146-148 148-150 150-152
28 127-129 129-131 131-133 133-135 135-137 137-139 139-141 141-143 143-145 145-147 147-149 149-151 151-153 153-155 155-157
30 132-134 134-136 136-138 138-140 140-142 142-144 144-146 146-148 148-150 150-152 152-154 154-156 156-158 158-160 160-162
32 137-139 139-141 141-143 143-145 145-147 147-149 149-151 151-153 153-155 155-157 157-159 159-161 161-163 163-165 165-167

 

A BRA THAT FITS WELL

A bra fits well when it meets the following criteria:

  • It fits snugly around the back & sits evenly on the body from front to back.
  • The underwires sit flush against your chest.
  • Your whole breast fits into the cup with NO spillage or gaping.
  • You can fit your finger under the straps.

IMAGES TO HELP YOU MEASURE BRA SIZE AND ADJUST

 UNDERBAND

 The underband should be firm, but not uncomfortable. If the underband is riding up, the back size is too big.

Example of a well fitted underband Example of a poorly fitted underband

CUPS

 The breasts should be totally encased within the wire, which should sit flat against the body. If the wires dig in at the underarm or the bust is bulging over the cups, a larger cup size is needed.

Example of a well fitted cup Example of a poorly fitted cup

UNDERWIRE

Wires should sit close to the chest and the bra should stay in place when the arms are lifted. If the wires lift under the band when arms are raised, a smaller band is required.

Example of a well fitted underwire Example of a poorly fitted underwire

 

OTHER FACTORS THAT INFLUENCE BRA FIT

 

BRA SHAPES

Finding the correct shaped bra for you is just as important as the fit. The correct shape bra can be very minimising to the bust. See our bra shape suggestions for ladies with a larger bust.

BALCONETTE

Balconette

A balconette bra sits in between a plunge bra and a full cup bra, it’s like a sweetheart cut neckline. It’s very popular for bigger busts; they give great shape, lift and will give you comfort and support. They make great boudoir lingerie as well.

FULL CUPFull Cup

Full cup bras are generally your everyday bra or t-shirt bras, where your whole breast is encased in the cup. This style offers great support, lift and comfort for fuller cups and a heavier bust. Plunge

Plunge bras are triangular shaped bras and the underwire stops near the base of your breasts. They are great for those tops that have a plunging neckline. Look in the mirror side-on whilst wearing your bra. Are your breasts still going south? If so, then a plunge bra will give you the lift you need from your bra.

 

BRA MATERIAL

Quality materials not only look great but ensure optimum comfort and support and a longer lasting bra. It will also give you a great shape and you won’t feel the need to rip your bra off the first chance you get.

 

Have a question? Why not try out our FAQs page!