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Bra Measuring Guide

196 CommentsSunday, 19 June 2016  |  Val

 

There isn't any replacement for obtaining a proper bra fitting in person from a professional bra fitter, but in circumstances where this is not possible, and you really have no idea on your correct size, the guide below can be used to provide a general indication of your bra size.  Please also bear in mind that sizes vary between manufacturers and between different styles of bra. So what fits perfectly in one style or brand, may not in another.

To determine your bra size, you take two measurements -

1. Under bust Measurement
Measure under your bust - Must be a firm, reasonably tight measurement :
if the measurement is an even number of inches this is your band size
if the measurement is an odd number of inches add one inch to get your band size

(For example, if your under bust measurement is 35ins., add 1 inch to obtain bra band size 36, if your under bust measurement is 34ins this is your band size)

2. Bust Measurement
Measure round the fullest part of your bust to determine Cup size.
If the over bust measurement is the same as the figure determined above, your Cup size is A.
1in. more gives Cup size B
2in. more gives Cup size C
3in. more gives Cup size D
4in. more gives Cup size DD
5in. more gives Cup size E
and so on…..

Examples:
Under bust measurement of 32ins. = band size 32
Bust measurement of 38ins. = Cup F

So the correct fitting would be 32F

Under bust measurement of 35ins. + 1 inch = band size 36
Bust measurement of 42ins. = Cup FF

So a guide to the correct fitting bra would be 36FF

 
Problems with you current bra? Are you wearing your correct size?

Bra rides up at back? . . . adjust hook and eye closure to tighten, loosen straps or try a smaller band size (for example 36 instead of 38).

Band digs in? . . . try one band size larger (for example 36 instead of 34) or opt for a bra with a wider band.

Sides bulge? . . . order one band size larger (for example 36 rather than 34) or choose a style that provides more support and cup coverage.

Cups overflow? . . . order one cup size larger (for example C to D) or one band size larger (for example 36 to 38).

Sore shoulders? . . . loosen bra or opt for a bra with wider, or padded straps.

Bustline sags? . . . shorten straps or choose a firmer support style.

Underwires pinch or poke? . . . order one cup size larger (for example C to D) or try a wire free (soft cup) style.

Straps slip? . . . tighten straps or opt for bra with wider straps.


Kat
Sunday, 1 October 2017  |  12:49

Hi if my band measures a 38" and bust is 42" what bra size am i


Admin
Sunday, 1 October 2017  |  14:02

Hi Kat, this would make you a 38DD, but please bear in mind that this is a guide only as brands/styles vary. Take a look at our fitting guide to help you aswell.


Debbie Wright
Sunday, 25 February 2018  |  18:40

Under my bust is 37 and 40 bust so what size bra do I need


Val
Monday, 26 February 2018  |  8:02

Hi Debbie, This would make you a 38D, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Sunidhi
Friday, 3 November 2017  |  12:06

hey...my band size is 32 and my cup size is 40. What is the size of my bra?


Admin
Friday, 3 November 2017  |  12:22

Hi Sunidhi, this would make you a 32G, but please bear in mind that this is a guide only as brands/styles vary. Take a look at our fitting guide to help you aswell.


Claire
Sunday, 5 November 2017  |  9:11

Hi my band is 38 and busy is 44 what size would that be


Admin
Sunday, 5 November 2017  |  10:14

Hi Claire, this would make you a 38F, but please bear in mind that this is a guide only as brands/styles vary. Take a look at our fitting guide to help you aswell.


Zoe
Sunday, 19 November 2017  |  10:36

Hi if my band is 40 and my bust is 46 what is my bra size please itís so confusing


Admin
Sunday, 19 November 2017  |  15:36

Hi Zoe, this would make you a 40F, but please bear in mind that this is a guide only as brands/styles vary. Take a look at our fitting guide to help you aswell.


Mrs Blake
Monday, 27 November 2017  |  17:12

If i am 34underand 42over what size am I


Admin
Saturday, 2 December 2017  |  8:35

Hi, this would make you a 34G, but please bear in mind that this is a guide only as brands/styles vary. Take a look at our fitting guide to help you aswell.


Melissa
Friday, 1 December 2017  |  15:39

Hi, if my underbust is 29in and my bust size is 34 in what would that make me?

thanks X


Admin
Saturday, 2 December 2017  |  8:38

Hi Melissa, this would make you a 30E, but please bear in mind that this is a guide only as brands/styles vary. Take a look at our fitting guide to help you aswell.


Melissa
Wednesday, 13 December 2017  |  5:02

Hi, thanks for your feed back. Right now I am wearing 36D so Iím quite confused cause I felt that size was okay in terms of fitting? I just never understand these measurements. lol. x


Val
Saturday, 16 December 2017  |  8:57

It is really common for ladies to be wearing bras which are two sizes too big round the band - taking the size I have advised as a good starting point, you appear to be wearing three sizes too big. Have a look at our bra fitting guide. Take a reasonable new bra tightened on the loosest hook - is it riding up at the back? This is a good way to determine whether the band is too big. Then pull it in reasonably tight around the band - how do the cups now look? Hope this helps


Alisha
Tuesday, 5 December 2017  |  20:01

My underbust is 27 inches and my bust size is 35 inches what size would that make me ?


Val
Saturday, 16 December 2017  |  9:00

Hi Alisha, this would make you a 28GG, but please bear in mind that this is a guide only as brands/styles vary. Take a look at our fitting guide for further help


Juels
Thursday, 14 December 2017  |  20:19

Hey there,

I measured myself and found that above my breast I was 32inches, my cup size was 34inches and below my band size was 29inches. What size would that make me?

thanks for your help. :)


Val
Saturday, 16 December 2017  |  9:01

Hi Jules, this would make you a 30F, but please bear in mind that this is a guide only as brands/styles vary. Take a look at our fitting guide for further help


Catherine Duncan
Friday, 15 December 2017  |  14:12

My rib is 41 1/2 I my full bust is 51 1/2 in what size do l need


Val
Saturday, 16 December 2017  |  9:02

Hi Catherine, this would make you a 42HH, but please bear in mind that this is a guide only as brands/styles vary. Take a look at our fitting guide for further help


Kimberley
Thursday, 28 December 2017  |  20:56

Hi my under bust is 35.5 and over bust is 41 what would my size be


Val
Friday, 29 December 2017  |  8:29

Hi Kimberley, this would make you a 36E, but please bear in mind that this is a guide only as brands/styles vary. Take a look at our fitting guide for further help


Margaret
Friday, 5 January 2018  |  20:37

My band size is 34. Fullest breast measures 44. What size am I. ?


Val
Saturday, 6 January 2018  |  8:38

Hi Margaret, this would make you a 34H, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Alex
Saturday, 6 January 2018  |  8:01

Hi guys,
I have researched and researched over the internet about the band dilemma, and I still donít have a concrete answer.
Why some calculations add 2 inches to the true chest size? Why others just take the true size and call it the band.....
Anyone knows?
Looking forward to be enlighten
Many thanks
Alex xx


Val
Saturday, 6 January 2018  |  8:48

Hi Alex, hopefully I can help. The simple answer is that adding 2 to the band size is the out-dated way of bra fitting. Going back many years, bras were not made in the same way, and of the same materials, as they are now. The material was much less giving and therefore the 2 inches was added to the band for a better fit. Nowadays this is no longer the correct way to determine the size needed and adding 2 inches is no longer required. Unfortunately, some companies are still giving out-dated (incorrect) advice. Hope this helps


Alex
Saturday, 13 January 2018  |  16:12

Hi I'm struggling to find the right bra and My band size is 42 inches and my over bust is 48 please help


Val
Tuesday, 16 January 2018  |  8:18

Hi Alex, this would make you a 42FF, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Angie
Sunday, 21 January 2018  |  18:21

If my underband is 40" and my bust measures 49" what size bra do I need please


Val
Tuesday, 23 January 2018  |  13:28

Hi Angie, this would make you a 40H, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Gabi
Sunday, 21 January 2018  |  21:40

Hi my underbust is 51 inch and over bust is 43 what size roughly would that make me


Val
Tuesday, 23 January 2018  |  13:32

Hi Gabi, you need to measure under your bust and then at the fullest part of your bust, which should be a larger number. Have you got the numbers the wrong way round in your question?


Isabella Pearson
Thursday, 25 January 2018  |  14:39

Hi my measurement underneath is is 100cm and measurement round the fullest part is 114cm what bra size would i be please ?


Val
Saturday, 27 January 2018  |  7:51

Hi Isabella, this would make you a 40E, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Sally
Saturday, 27 January 2018  |  11:47

Hello...I am measuring at 31 inches under bust and 36 inches over bust. What size is best please?


Val
Monday, 29 January 2018  |  7:03

Hi Sally, this would make you a 32E, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Roma
Monday, 29 January 2018  |  15:23

Hi my underbust is 32 exact and fullest part of bust is 38, what would b my bra size? Also please help me I wear a 34D and cup fits but band is loose, also the centre part(gore) doesn't lay flat..how can I fix up my bras, they are new just used once and expensive so I would love to fix the problem and wear them. As I can't just throw them and I can sew so any alterations would be easy for me.


Val
Tuesday, 30 January 2018  |  7:17

Hi Roma, from the measurements you have given you would be a 32F, but as I always advise this is a guide only as brands and styles can vary. As you are wearing a 34 band, the size you should be wearing in this band to get the correct cup volume is 34E, so your cup is essentially two sizes too small. This is why the centre gore isnít laying flat. Are you wearing your bras on the loosest or tightest hook and eye? Wearing on the tightest hook and eye will give a better support, but the cups will feel too small. Wearing on the loosest will allow for a bit more room in the cups, but will not be a good fit. Take a look at our bra fit guide for more advice. Unfortunately there isnít much you can do to get a better fit from the bras you have. You may have read that removing the wires will help, and it is true that by removing the wires you will increase the size of the cup, but you will completely lose all support and shape. Apologies that I cannot offer a fix for the bras you have, but I would definitely try a 32F.


Juliebreen
Thursday, 1 February 2018  |  19:08

I am 32inch under bust and 36 inch bust what bra size am I please.


Val
Friday, 2 February 2018  |  6:59

Hi Julie, this would make you a 32DD, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Ginna
Monday, 12 February 2018  |  5:58

If my bust is 38 in. and my underbust is 31 1/2, what size would that be?


Val
Monday, 12 February 2018  |  7:05

Hi Ginna, this would make you a 32F, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Sharon Simpson
Monday, 12 February 2018  |  23:21

Hi my bra is a 38d but now the cup is big so do I go to 36c


Val
Tuesday, 13 February 2018  |  7:24

Hi Sharon, not necessarily Ė How does the band fit? If the band is still OK (whilst wearing a reasonably new bra which hasnít stretched), you need to stay with a 38 but try a C cup. Only go down to 36 if the band also too big. A 36D will give a tighter band and one size down in the cup


Emma Matthews
Monday, 12 February 2018  |  23:37

Hi please can you help I have lost weight and haven't a clue what size I am now, I'm 30in under bust and 34 around the fullest part, please can you help me?


Val
Tuesday, 13 February 2018  |  7:29

Hi Emma, from these measurements I would try a 30DD and then have a look at our bra fit guide if you need further help from that point on


Alison Weitzel
Tuesday, 13 February 2018  |  0:26

My cup size was 38dd but now the back is tight so went for a 40dd and cup too big and back just rides up help please


Val
Tuesday, 13 February 2018  |  7:39

Hi Alison, are the 38DD and 40DD bras the same brand/range? Sizes can differ between brands and even styles, so you may not be comparing like with like. If the back is riding up on the 40DD this would definitely suggest that a 40 in this brand is too big. Were you wearing it on the tightest or loosest hook? Try the 40DD on the tightest hook, if this is a better fit, a 38 would be a better fit for you. If you feel that you need to stay with a 40 band, the comparable cup size from a 38DD would be 40D, not 40DD. This is why the cup is too big. Have a look at our fit guide for further help


Courtney
Tuesday, 13 February 2018  |  19:32

Hi Iím struggling to get the right size my under bust is 29 and the fullest part of my bust is 36 what size would this make me X


Val
Wednesday, 14 February 2018  |  7:26

Hi Courtney, this would make you a 30FF, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Dora
Friday, 16 February 2018  |  7:52

Hi my bust size is 42 inches and under bust is 33nches. Pls what size of bra would that be


Val
Saturday, 17 February 2018  |  7:14

Hi Dora, this would make you a 34GG, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Steph
Sunday, 18 February 2018  |  13:50

Hello my under bust size 41Ēand over bust is 49Ē what bra size would this make me please??


Val
Thursday, 22 February 2018  |  7:47

Hi Steph, this would make you a 42G, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Donna
Friday, 23 February 2018  |  20:10

Hi my underbust is a 38 and over bust 50 am i right in saying that make me a 38k and i am pregnant have been told i should go up a band size should i also go down a cup size


Val
Saturday, 24 February 2018  |  7:49

Hi Donna, your present size would make you a 38J and you will probably need to increase your band size over the coming months. If you want to go up to a 40 now you would need a 40HH (you can always wear on a tighter hook to start). Keep in mind that your boobs will also probably change in size during your pregnancy. Hope this helps.


Mary
Saturday, 24 February 2018  |  13:12

Hi there I am struggling with bra sizes I wear an evans t-shirt bra size 46F which is okay round the band but I feel the cup is slightly small, I measure 44 under the band of my chest and 48 on the front so really confused I have the same bra in a 46E but the cup is too small and the band is curling at the sides what should I wear I only wear evans brands please help? I cannot wear bras too tight due to breast problems!


Val
Sunday, 25 February 2018  |  8:30

Hi Mary, It is difficult to advise as you only wear Evans brands and I have no knowledge of how they are sized/fit. By purely taking the measurements you have provided you would be a 44DD, or a 46D if you wanted more room in the band, but this obviously doesn't fit in with what you are experiencing.
Have you looked at our fit guide? Do you wear wired or wire free?


Mary
Sunday, 25 February 2018  |  20:27

Hi Val I wear t-shirt underwire bra the band is fine 46 F but cup is slightly small and the bra rides up a bit at the sides thanks Mary


Val
Monday, 26 February 2018  |  7:57

Hi Mary, if the bra is riding up at the sides it also suggests that it would be riding up at the back, which means that the band is too big. As you have said that you cannot wear a 44 band I am afraid that, other than trying different styles, there is not much you can do. Have you tried non-wired? You won't get the same shape, but you may be able to try a 44 band as you won't have a wire. If you have to stick with the 46, you would need to try a 46FF, but that doesn't match up with the measurements you provided.


Lesley-Yeoman
Monday, 26 February 2018  |  13:37

I am 40 inches under the bust and 49 inches around bust what suze am i please?


Val
Tuesday, 27 February 2018  |  8:00

Hi Lesley, this would make you a 40GG, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Trisha
Wednesday, 28 February 2018  |  13:17

Ok I got fitted a few years ago was told Iím a 38h had a baby almost two yrs didnít get smaller. I measured and put my info in and it says Iím a 44c Iím not sure how that is. My 38h feels a bit crammed.


Val
Thursday, 1 March 2018  |  7:13

Hi Trisha, where was it that you put your info in to?


Georgia
Friday, 2 March 2018  |  23:40

My under bust size is 32inches and my bust size is 35inches what size does this make me?


Kay
Saturday, 3 March 2018  |  22:28

My underbust is 26 inches and bust is 30 inches I got measures and the said I'm a 32b but then again isn't 34a the same as 34b?


Val
Monday, 5 March 2018  |  7:02

Hi Kay, The size you have been given is completely wrong. Your ideal bra would be a 26DD, but as there are hardly any brands which start at a 26, you would need to try a 28D. You may need to wear on the middle hook, but you would get a far better fit than a 32. Unfortunately some companies will tell you that you need a bigger band than you do. Either because they are using an outdated method of measuring/fitting, or because the brands they stock donít start at a 28 band. Take a look at our bra fit guide for further help


Val
Monday, 5 March 2018  |  6:51

Hi Giorgia, this would make you a 32D, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Sharon
Monday, 5 March 2018  |  23:25

If Iím 34 under bust and 38 over what size am i


Val
Tuesday, 6 March 2018  |  7:16

Hi Sharon, this would make you a 34DD but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Jo Ann
Wednesday, 7 March 2018  |  23:39

Val,
I'm 51, a young 51. I was diagnosed with cancer Christmas 2014. I did the chemo, surgery, boosted radiation 2 months daily,that burned me through to my back & up to my jaw, then 14 months maintenance chemo ( because type) I waited the 2 years for my leather breast to cool after the Radiation I was ready to build bionic boobies..Lol, I went through 2 phases. Reduction non sick boob,scar tissue release to sick boob. The a lift cause I was hanging way down. 6 months later, implants 800 cc silicone. My new measurements are 38 band, 50 bust, yes I said 50. They don't feel large to me. I have very wide shoulders, heavy boned. Not overweight. It just sounds ginornis. While I was swollen on day 2 I was curious my bust WAS 60, they dropped ,no swelling and feel like real boobs that came genetically. They won't hold a chopstick, pencil or anything under them. I love I can wear just a cute little bralette and not cram my C+ bags into a painful underwire. I feel like a woman again after not having a boob for so long & no xtra long hair. I'm single & was hopeless. I need to go bra shopping, band 38 bust 50. What size should I start with, I'm clueless? You ladies with breast cancer you wouldn't , couldn't imagine what a stupid will do for you. I would go through it 10 times over. it WAS ez. God Bless all fighting or a family member. Cancer has touched everyone. Stay strong.
Thank you.... Off soap box..lol


Jami Hansen
Thursday, 8 March 2018  |  18:10

Hi 💖💖 I'm currently measuring 49 in the band and 53 in the bust. I'm so lost, I've tried a 44dd and that was to small. I'm thinking a 48 DD? Would I be correct?


Val
Friday, 9 March 2018  |  7:51

Hi Jami, with a 49 underbust measurement you should really be looking at a 50 underband, and the measurements you have provided would make you a 50DD. You will, however, have a bit more choice with a 48 band and if this was OK for you you would need to look at a 48E. Please bear in mind also that styles and brands vary, so have a look at our bra fit guide aswell.


Val
Friday, 9 March 2018  |  7:43

Hi Jo Ann, Wow, you have really been through it Ė but youíve come out the other side and thank you for sharing. Regarding bra size, the measurements given would make you a 38J. But due to what you have been through you may have been advised not to wear anything too restrictive or tight, so a 40HH may be a better starting point. Please also bear in mind that styles and brands vary, so also take a look at our bra fit guide.


Cyndi
Saturday, 10 March 2018  |  22:57

Hi, I'm hoping you can help. My underbust measures at exactly 36 inches, and the fullest part of my breast at 44 inches (with a bra that's a little small on.)

My issue is that I have 36 band bras and they are too tight, they dig in and hurt. I want to try 38 but I'm not sure how that effects my cup size. My actual difference is 8 inches but if I want to try my band at 38 should I go down a cup or leave it the same since the bra I measure in is too small and could be condensing them anyway. Any idea? I know it's not perfect. I'm thinking about trying 38H and 38I unless my math is way off.

Thank you!


Val
Wednesday, 14 March 2018  |  7:38

Hi Cyndi, if your underband is 36 that should be the size you wear, but if you feel too constricted itís fine to go up to 38. From the sizes you are mentioning it looks like you are possibly in the USA. As we are in the UK I cannot advise on the cup size needed with any authority, but if you were in the UK you would be needing to try a 38FF if the bra you were wearing when you measured yourself fitted OK. As this was too small, you may need to go up to a 38G or GG UK size.


Lindsey Bennett
Monday, 12 March 2018  |  22:44

My underbust is 37 and bust is 45 what does that make me


Val
Wednesday, 14 March 2018  |  7:46

Hi Lyndsey, this would make you a 38G but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Orla O' Gara
Thursday, 15 March 2018  |  20:15

Hi my band size is 36 and my bust is 42 wot bra should I be wearing??? thanks


Val
Friday, 16 March 2018  |  7:36

Hi Orla, this would make you a 36F but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Julie
Friday, 16 March 2018  |  20:41

Hi can you help i am 33 band and 38 cup so would this be 34DD? Is this UK size ?
Thank you in advance. very helpful.


Val
Saturday, 17 March 2018  |  7:59

Hi Julie, this would make you a 34E UK size, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Julie
Sunday, 18 March 2018  |  13:14

thank you so much as im dissabled and have trouble with my lungs and heart, but im very round shouldered and when im buying bra,s im in agony, but then i have been using 34c so that probably why. Thank you for your help and i reliase its a guide. Thanku again


Val
Monday, 19 March 2018  |  6:50

Glad to have been some help


Val
Wednesday, 21 March 2018  |  8:40

Hi Sue, this would make you a 32D, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Sue
Wednesday, 21 March 2018  |  12:09

My under bust measures 31
My round the busy is 34
What size should I go for x


Chrissy
Saturday, 24 March 2018  |  13:43

Hi my measurements are 37 under bust (I know I will need to add 1 to make it 38) and 42 over bust. Am I right in say that will make me a 38DD? I'm currently wearing 40D. I had a baby 12 weeks ago and think its time I went underwear shopping instead of constantly wearing maternity bras x


Val
Sunday, 25 March 2018  |  8:14

Hi Chrissy, this would make you a 38E, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Gina Stewart
Tuesday, 27 March 2018  |  23:14

My band size is 40 and my bust is 48 what bra size should I be wearing?


Val
Wednesday, 28 March 2018  |  7:49

Hi Gina, this would make you a 40G, but please keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help


Samantha
Friday, 30 March 2018  |  15:58

Bust 37
Band 32

What cup size


Val
Sunday, 1 April 2018  |  7:54

32E, keep in mind that this is only a guide as brands and styles may vary. Take a look at our fitting guide for further help