Bra Size Calculator for United States
Find your perfect bra size using US sizing system
US SizingAverage bra size: 34DDUSD
Bra Size Calculator
Advanced Mode (ABTF-style)
Use snug/tight underbust and standing/leaning/lying bust to get a recommended try-on range and style tips.
Measurement Guide
1
Band Size
Measure around your ribcage, just below your breasts. The tape should be snug but not tight.
2
Bust Size
Measure around the fullest part of your breasts, keeping the tape measure parallel to the floor.
💡Shopping Tips for United States
- ✓US sizing uses DDD or F interchangeably after DD
- ✓Victoria's Secret sizing runs smaller; consider sister sizes
- ✓ThirdLove offers half-cup sizes for better fit
- ✓Nordstrom provides free professional fitting services
🏪Popular Brands in United States
These brands are widely available in United States:
Victoria's SecretThirdLoveWacoalChantelleNatoriSoma
Find these brands at:
Nordstrom • Victoria's Secret • ThirdLove • Bare Necessities • Target
ℹ️US Sizing System
Varies by brand; sister sizing common due to limited availability
Also commonly used: EU
International Size Conversion
Compare US sizing with other international systems to find your size when shopping from international brands.
Global Size Conversion
| US/UK | UK | EU | FR | IT | JP | AU/NZ | DE |
|---|---|---|---|---|---|---|---|
| 28AA | 28AA | 70AA | 85AA | 3AA | 70AA | 6AA | 70AA |
| 28A | 28A | 70A | 85A | 3A | 70A | 6A | 70A |
| 28B | 28B | 70B | 85B | 3B | 70B | 6B | 70B |
| 28C | 28C | 70C | 85C | 3C | 70C | 6C | 70C |
| 28D | 28D | 70D | 85D | 3D | 70D | 6D | 70D |
| 28DD | 28DD | 70E | 85E | 3E | 70E | 6DD | 70E |
| 28DDD | 28E | 70F | 85F | 3F | 70F | 6E | 70F |
| 28G | 28F | 70G | 85G | 3G | 70G | 6F | 70G |
| 28H | 28FF | 70H | 85H | 3H | 70H | 6FF | 70H |
| 28I | 28G | 70I | 85I | 3I | 70I | 6G | 70I |
Common Questions About Bra Sizing in United States
Ready to Find Your Perfect Fit?
Get your accurate bra size in US sizing and shop with confidence.