This online Bra Size Calculator UK follows the official NHS measuring method using inches. Measure your underbust and overbust to find your perfect UK bra size instantly.
How to Measure:
Step 1: Measure underbust snugly for your band size.
Step 2: Measure around the fullest part of your bust (overbust).
Step 3: Subtract underbust from overbust to determine your cup size using the chart below.
This UK bra size chart shows how your underbust and overbust difference (in inches) corresponds to your cup size.
| Difference (inches) | UK Cup Size |
|---|---|
| <1 | AA |
| 1 | A |
| 2 | B |
| 3 | C |
| 4 | D |
| 5 | DD |
| 6 | E |
| 7 | F |
| 8 | FF |
| 9 | G |
| 10 | GG |
| 11 | H |
| 12 | HH |
| 13 | J |
| 14 | JJ |