UK Bra Size Guide · Printable Chart

UK Bra Size Guide

Complete UK bra size chart covering all band sizes 28–46 and cups AA to K. Use the visual chart below or our calculator for your exact size.

Full UK Bra Size Chart

Cells in pink = available in most UK retailers. ✓ = common size.

Band →
Cup ↓
28303234363840424446
AA28AA30AA32AA34AA
A28A30A32A34A36A
B28B30B32B34B36B38B
C28C30C32C34C36C38C40C
D28D30D32D34D36D38D40D42D44D46D
DD28DD30DD32DD34DD36DD38DD40DD42DD44DD46DD
E28E30E32E34E36E38E40E42E44E46E
F28F30F32F34F36F38F40F42F44F46F
FF28FF30FF32FF34FF36FF38FF40FF42FF44FF46FF
G28G30G32G34G36G38G40G42G44G46G
GG28GG30GG32GG34GG36GG38GG40GG42GG44GG46GG
H28H30H32H34H36H38H40H42H44H46H
HH30HH32HH34HH36HH38HH40HH42HH44HH46HH
J32J34J36J38J40J42J44J46J
JJ34JJ36JJ38JJ40JJ42JJ44JJ46JJ
K36K38K40K42K44K46K

Availability varies by retailer. Bravissimo and specialist stores offer the widest size range.

Understanding UK Bra Sizes

Band Size (The Number)

The number in a UK bra size (e.g. 34C) is the band size. It's measured in inches around your underbust. UK band sizes run in even numbers: 28, 30, 32, 34, 36, 38, 40, 42, 44, 46.

Band formula:Measure underbust in inches → round to nearest even number. E.g. 30.5" → 30 band size

Cup Size (The Letter)

The letter (e.g. 34C) is the cup size. It's determined by the difference between your bust and underbust measurements. UK cup sizes: AA, A, B, C, D, DD, E, F, FF, G, GG, H, HH, J, JJ, K.

Cup formula:Bust − Underbust = difference in inches → 1" = A, 2" = B, 3" = C, 4" = D, 5" = DD...

Most Popular UK Bra Sizes

34B36C34C36D32B38D34D36B32C38C40D34DD

The most commonly sold UK bra sizes. If your size isn't here, you're not alone — most women wear the wrong size!

Cup Size Visual Comparison

UK bra cup size visual comparison AA to G — traceable line art guide

Visual guide to UK cup sizes AA through G. For the full visualiser, visit our Cup Size Comparison tool.

Not sure of your size?

Use our free AI-powered calculator to find your perfect UK bra size in seconds.