Aerie Bra Size Chart
Aerie bra size chart for Real Sunnie, SMOOTHEZ, and wireless styles. Convert Aerie bra sizes between US, UK, EU, and AU. Find your perfect Aerie fit.
Sizes shown are based on standard US bra sizing. Aerie may vary slightly — check Aerie's official size chart for exact measurements.
Find Your Aerie Bra Size
Enter your measurements or convert from another brand.
How to Measure for Aerie
Measure your bust
Wrap a tape around the fullest part of your bust. Keep it level and not too tight.
Measure your underbust
Wrap the tape snugly around your ribcage, just below your breasts. Keep it level.
Enter your measurements
Use our calculator to get your size in US, UK, EU, and AU systems with sister sizes.
Aerie Size Chart
Data verified Mar 2026 · Official size guide · See an error? Report it
| US | UK | EU | AU | Bust (cm) | Underbust (cm) |
|---|---|---|---|---|---|
| 28A | 28A | 60A | 6A | 73 | 58 |
| 28B | 28B | 60B | 6B | 75 | 58 |
| 28C | 28C | 60C | 6C | 78 | 58 |
| 28D | 28D | 60D | 6D | 80 | 58 |
| 28DD | 28DD | 60E | 6DD | 83 | 58 |
| 28DDD | 28E | 60F | 6E | 85 | 58 |
| 28G | 28F | 60G | 6F | 88 | 58 |
| 28H | 28FF | 60H | 6FF | 90 | 58 |
| 30A | 30A | 65A | 8A | 78 | 63 |
| 30B | 30B | 65B | 8B | 80 | 63 |
| 30C | 30C | 65C | 8C | 83 | 63 |
| 30D | 30D | 65D | 8D | 85 | 63 |
| 30DD | 30DD | 65E | 8DD | 88 | 63 |
| 30DDD | 30E | 65F | 8E | 90 | 63 |
| 30G | 30F | 65G | 8F | 93 | 63 |
| 30H | 30FF | 65H | 8FF | 95 | 63 |
| 30I | 30G | 65I | 8G | 98 | 63 |
| 32A | 32A | 70A | 10A | 83 | 68 |
| 32B | 32B | 70B | 10B | 85 | 68 |
| 32C | 32C | 70C | 10C | 88 | 68 |
| 32D | 32D | 70D | 10D | 90 | 68 |
| 32DD | 32DD | 70E | 10DD | 93 | 68 |
| 32DDD | 32E | 70F | 10E | 95 | 68 |
| 32G | 32F | 70G | 10F | 98 | 68 |
| 32H | 32FF | 70H | 10FF | 100 | 68 |
| 32I | 32G | 70I | 10G | 103 | 68 |
| 34A | 34A | 75A | 12A | 88 | 73 |
| 34B | 34B | 75B | 12B | 90 | 73 |
| 34C | 34C | 75C | 12C | 93 | 73 |
| 34D | 34D | 75D | 12D | 95 | 73 |
| 34DD | 34DD | 75E | 12DD | 98 | 73 |
| 34DDD | 34E | 75F | 12E | 100 | 73 |
| 34G | 34F | 75G | 12F | 103 | 73 |
| 34H | 34FF | 75H | 12FF | 105 | 73 |
| 34I | 34G | 75I | 12G | 108 | 73 |
| 36A | 36A | 80A | 14A | 93 | 78 |
| 36B | 36B | 80B | 14B | 95 | 78 |
| 36C | 36C | 80C | 14C | 98 | 78 |
| 36D | 36D | 80D | 14D | 100 | 78 |
| 36DD | 36DD | 80E | 14DD | 103 | 78 |
| 36DDD | 36E | 80F | 14E | 105 | 78 |
| 36G | 36F | 80G | 14F | 108 | 78 |
| 36H | 36FF | 80H | 14FF | 110 | 78 |
| 36I | 36G | 80I | 14G | 113 | 78 |
| 38A | 38A | 85A | 16A | 98 | 83 |
| 38B | 38B | 85B | 16B | 100 | 83 |
| 38C | 38C | 85C | 16C | 103 | 83 |
| 38D | 38D | 85D | 16D | 105 | 83 |
| 38DD | 38DD | 85E | 16DD | 108 | 83 |
| 38DDD | 38E | 85F | 16E | 110 | 83 |
| 38G | 38F | 85G | 16F | 113 | 83 |
| 38H | 38FF | 85H | 16FF | 115 | 83 |
| 38I | 38G | 85I | 16G | 118 | 83 |
| 40A | 40A | 90A | 18A | 103 | 88 |
| 40B | 40B | 90B | 18B | 105 | 88 |
| 40C | 40C | 90C | 18C | 108 | 88 |
| 40D | 40D | 90D | 18D | 110 | 88 |
| 40DD | 40DD | 90E | 18DD | 113 | 88 |
| 40DDD | 40E | 90F | 18E | 115 | 88 |
| 40G | 40F | 90G | 18F | 118 | 88 |
| 40H | 40FF | 90H | 18FF | 120 | 88 |
| 40I | 40G | 90I | 18G | 123 | 88 |
| 42B | 42B | 95B | 20B | 110 | 93 |
| 42C | 42C | 95C | 20C | 113 | 93 |
| 42D | 42D | 95D | 20D | 115 | 93 |
| 42DD | 42DD | 95E | 20DD | 118 | 93 |
| 42DDD | 42E | 95F | 20E | 120 | 93 |
| 42G | 42F | 95G | 20F | 123 | 93 |
| 42H | 42FF | 95H | 20FF | 125 | 93 |
| 42I | 42G | 95I | 20G | 128 | 93 |
| 44B | 44B | 100B | 22B | 115 | 98 |
| 44C | 44C | 100C | 22C | 118 | 98 |
| 44D | 44D | 100D | 22D | 120 | 98 |
| 44DD | 44DD | 100E | 22DD | 123 | 98 |
| 44DDD | 44E | 100F | 22E | 125 | 98 |
| 44G | 44F | 100G | 22F | 128 | 98 |
| 44H | 44FF | 100H | 22FF | 130 | 98 |
| 44I | 44G | 100I | 22G | 133 | 98 |
How Aerie Sizing Compares
If you wear a 34C in Aerie, here's your likely size in other popular brands:
| Brand | US Size | UK Size | EU Size | Fit |
|---|---|---|---|---|
| Aerie | 34C | 34C | 75C | true to size |
| Victoria's Secret | 34C | 34C | 75C | true to size |
| Calvin Klein | 34C | 34C | 75C | true to size |
| ThirdLove | 34C | 34C | 75C | true to size |
| Savage x Fenty | 34C | 34C | 75C | true to size |
| Wacoal | 34C | 34C | 75C | true to size |
Sizes shown use standard charts. Actual fit may vary by style — always check the brand's specific size guide.
Aerie Sizing & Fit Guide
Aerie bras run true to size. Their Real Sunnie line is known for comfort and a natural fit. Wireless styles offer relaxed support. If between sizes, Aerie generally recommends sizing up.
View Aerie's official size guide