Women's Bras Size Guide
Country Conversions - Bralettes
| Alpha | AUS | EUR | BR | US/UK |
|---|---|---|---|---|
| XS | 8A/8B - 10A/10B | 65A/65B - 70A/70B | 38A/38B - 40A/40B | 30A/30B - 32A/32B |
| S | 10C/10D - 12A/12B | 70C/70D - 75A/75B | 40C/40D - 42A/42B | 32C/32D - 34A/34B |
| M | 12C/12D - 14A/14B | 75C/75D - 80A/80B | 42C/42D - 44A/44B | 34C/34D - 36A/36B |
| L | 14C/14D- 16A/16B/16C | 80C/80D - 85A/85B/85C | 44C/44D- 46A/46B/46C | 36C/36D - 38A/38B/38C |
| XL | 16D | 85D | 46D | 38D |
Country Conversions - Bras
| AUS | EUR | BR | US/UK |
|---|---|---|---|
| 8A | 65A | 38A | 30A |
| 8B | 65B | 38B | 30B |
| 8C | 65C | 38C | 30C |
| 8D | 65D | 38D | 30D |
| 8DD | 65DD | 38DD | 30DD |
| 10A | 70A | 40A | 32A |
| 10B | 70B | 40B | 32B |
| 10C | 70C | 40C | 32C |
| 10D | 70D | 40D | 32D |
| 10DD | 70DD | 40DD | 32DD |
| 10E | 70E | 40E | 32E |
| 10F | 70F | 40F | 32F |
| 10G | 70G | 40G | 32G |
| 12A | 75A | 42A | 34A |
| 12B | 75B | 42B | 34B |
| 12C | 75C | 42C | 34C |
| 12D | 75D | 42D | 34D |
| 12DD | 75DD | 42DD | 34DD |
| 12E | 75E | 42E | 34E |
| 12F | 75F | 42F | 34F |
| 12G | 70G | 42G | 34G |
| 14A | 80A | 44A | 36A |
| 14B | 80B | 44B | 36B |
| 14C | 80C | 44C | 36C |
| 14D | 80D | 44D | 36D |
| 14DD | 80DD | 44DD | 36DD |
| 14E | 80E | 44E | 36E |
| 14F | 80F | 44F | 36F |
| 14G | 80G | 44G | 36G |
| 16B | 85B | 46B | 38B |
| 16C | 85C | 46C | 38C |
| 16D | 85D | 46D | 38D |
| 16DD | 85DD | 46DD | 38DD |
| 16E | 85E | 46E | 38E |
| 16F | 85F | 46F | 38F |
| 16G | 85G | 46G | 38G |
How to Measure
| Size | 8 | 10 | 12 | 14 | 16 |
|---|---|---|---|---|---|
| Underbust | 61-66 | 66-71 | 71-76 | 76-81 | 81-86 |
| A CUP | 75-76 | 82-84 | 87-89 | 92-94 | 97-99 |
| B CUP | 79-81 | 84-86 | 89-91 | 94-96 | 99-101 |
| C CUP | 81-83 | 86-88 | 91-93 | 96-98 | 101-103 |
| D CUP | - | 88-90 | 93-95 | 98-100 | 103-105 | DD CUP | - | 90-92 | 95-97 | 100-102 | 105-107 | E CUP | - | 92-94 | 97-99 | 102-104 | 107-109 | F CUP | - | - | 99-101 | 104-106 | 109-111 | G CUP | - | - | 101-103 | 106-108 | 111-113 |
| Size | 8 | 10 | 12 | 14 | 16 |
|---|---|---|---|---|---|
| Underbust | 24-26 | 26-27.9 | 27.9-29.9 | 29.9-31.8 | 31.8-33.8 |
| A CUP | 30.3-31.1 | 32.3-33 | 34.2-35 | 36.2-37 | 38.2-39 |
| B CUP | 31.1-31.9 | 33-33.8 | 35-35.8 | 37-37.8 | 39-39.8 |
| C CUP | 31.9-32.7 | 33.8-34.6 | 35.8-36.6 | 37.7-38.5 | 39.8-40.5 |
| D CUP | - | 34.6-35.4 | 36.6-37.4 | 38.5-39.3 | 40.5-41.3 | DD CUP | - | 35.4-36.2 | 37.4-38.1 | 39.3-40.1 | 41.3-42.1 | E CUP | - | 36.2-37 | 38.1-38.9 | 39.3-40.1 | 42.1-42.9 | F CUP | - | - | 39-39.8 | 40.9-41.7 | 42.9-43.7 | G CUP | - | - | 39.8-40.6 | 41.7-42.5 | 43.7-44.5 |
Bust
Measure the circumference at the fullest part of your bust. Keep the tape level.
Under Bust
Measure the circumference of your body directly under your bust, keeping the tape level. Pull the tape measure firmly for a secure fit.
Doesn't Fit? - Bras
If it doesn't fit, you can return it within 30 days of purchase. Items from Cotton On Kids and baby can be returned within 60 days of purchase. All items are to be unworn, unwashed and unaltered.
The best bit is we offer free returns on bras so if you are on the cusp of a size or feel unsure you can buy a couple of different sizes. Do your own bra fitting at home and send us back the one you like the least. Things to consider when fitting is no dig, no gaping, no spill. Return within 30 days of purchase unworn, unwashed and unaltered.
Between Sizes?
If your measurements are in-between sizes we recommend picking the larger size.