International Bra Size Chart
Complete size conversion guide for bras across different countries and sizing systems. Never worry about international shopping again.
Complete Size Conversion Chart
Find your size across all major international sizing systems.
| US/Canada | UK | Europe | France | Australia | Japan |
|---|---|---|---|---|---|
| 30AA | 30AA | 65AA | 80AA | 8AA | 65AA |
| 30A | 30A | 65A | 80A | 8A | 65A |
| 30B | 30B | 65B | 80B | 8B | 65B |
| 32A | 32A | 70A | 85A | 10A | 70A |
| 32B | 32B | 70B | 85B | 10B | 70B |
| 32C | 32C | 70C | 85C | 10C | 70C |
| 34A | 34A | 75A | 90A | 12A | 75A |
| 34B | 34B | 75B | 90B | 12B | 75B |
| 34C | 34C | 75C | 90C | 12C | 75C |
| 34D | 34D | 75D | 90D | 12D | 75D |
| 36B | 36B | 80B | 95B | 14B | 80B |
| 36C | 36C | 80C | 95C | 14C | 80C |
| 36D | 36D | 80D | 95D | 14D | 80D |
| 38C | 38C | 85C | 100C | 16C | 85C |
| 38D | 38D | 85D | 100D | 16D | 85D |
| 40C | 40C | 90C | 105C | 18C | 90C |
Cup Size Guide
Understanding what cup sizes mean and how they relate to your measurements.
AA Cup
Difference: 0-1 inch
Very small bust
A Cup
Difference: 1 inch
Small bust
B Cup
Difference: 2 inches
Small to medium bust
C Cup
Difference: 3 inches
Medium bust
D Cup
Difference: 4 inches
Large bust
DD Cup
Difference: 5 inches
Very large bust
DDD/F Cup
Difference: 6 inches
Extra large bust
G+ Cups
Difference: 7+ inches
Extra extra large
International Sizing Tips
Important things to know when shopping for bras internationally.
European Sizing
European sizes use centimeters for band measurements. Add 10cm to your underbust measurement for the band size.
UK vs US
UK and US sizing are very similar for smaller cup sizes, but differ significantly for D+ cups.
Sister Sizes
Sister sizes have the same cup volume but different band sizes. Use them for better fit adjustments.
Quick Size Converter
Convert your size instantly between different international systems.