Browse our Best Bras by Size directory to find buying guides for your exact UK bra size. Use the bra size matrix below to browse all currently manufactured UK bra sizes, see which buying guides are already available and quickly navigate to your size.
Every bra size combines a band size and a cup size, so two bras with the same cup letter can have very different cup volumes. The bra size matrix below includes all 220 currently manufactured UK bra sizes, making it easy to see which sizes are available and which buying guides have already been published.
Before choosing a buying guide, confirm your recommended size with our Bra Size Calculator. You can also compare illustrated bra sizes using the Bra Size Visual Comparison Tool, check your fit with our Bra Fitting Advice, or compare equivalent UK brand sizes using the Bra Size Converter.
Select your exact UK bra size below to open its buying guide. Published guides are highlighted, while the matrix also shows every manufactured UK bra size currently available.
Select your exact UK bra size below to open its buying guide. Published guides are highlighted, while the matrix also shows every manufactured UK bra size currently available.
Find your exact UK bra size in the matrix below. Highlighted sizes link directly to a published Best Bras by Size buying guide. Grey sizes are currently manufactured in the UK, with buying guides still to be added. A dash shows that the band-and-cup combination is not currently manufactured.
| Cup \ Band | 28 | 30 | 32 | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 | 50 | 52 | 54 | 56 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AA | 28AA | 30AA | 32AA | 34AA | 36AA | 38AA | 40AA | 42AA | 44AA | 46AA | — | — | — | — | — |
| A | 28A | 30A | 32A | 34A | 36A | 38A | 40A | 42A | 44A | 46A | 48A | — | — | — | — |
| B | 28B | 30B | 32B | 34B | 36B | 38B | 40B | 42B | 44B | 46B | 48B | 50B | 52B | 54B | 56B |
| C | 28C | 30C | 32C | 34C | 36C | 38C | 40C | 42C | 44C | 46C | 48C | 50C | 52C | 54C | 56C |
| D | 28D | 30D | 32D | 34D | 36D | 38D | 40D | 42D | 44D | 46D | 48D | 50D | 52D | 54D | 56D |
| DD | 28DD | 30DD | 32DD | 34DD | 36DD | 38DD | 40DD | 42DD | 44DD | 46DD | 48DD | 50DD | 52DD | 54DD | 56DD |
| E | 28E | 30E | 32E | 34E | 36E | 38E | 40E | 42E | 44E | 46E | 48E | 50E | 52E | 54E | 56E |
| F | 28F | 30F | 32F | 34F | 36F | 38F | 40F | 42F | 44F | 46F | 48F | 50F | 52F | 54F | 56F |
| FF | 28FF | 30FF | 32FF | 34FF | 36FF | 38FF | 40FF | 42FF | 44FF | 46FF | 48FF | 50FF | 52FF | 54FF | 56FF |
| G | 28G | 30G | 32G | 34G | 36G | 38G | 40G | 42G | 44G | 46G | 48G | 50G | — | — | — |
| GG | 28GG | 30GG | 32GG | 34GG | 36GG | 38GG | 40GG | 42GG | 44GG | 46GG | 48GG | 50GG | — | — | — |
| H | 28H | 30H | 32H | 34H | 36H | 38H | 40H | 42H | 44H | 46H | 48H | 50H | — | — | — |
| HH | 28HH | 30HH | 32HH | 34HH | 36HH | 38HH | 40HH | 42HH | 44HH | 46HH | 48HH | — | — | — | — |
| J | 28J | 30J | 32J | 34J | 36J | 38J | 40J | 42J | 44J | 46J | — | — | — | — | — |
| JJ | 28JJ | 30JJ | 32JJ | 34JJ | 36JJ | 38JJ | 40JJ | 42JJ | 44JJ | 46JJ | — | — | — | — | — |
| K | 28K | 30K | 32K | 34K | 36K | 38K | 40K | 42K | 44K | 46K | — | — | — | — | — |
| KK | 28KK | 30KK | 32KK | 34KK | 36KK | 38KK | 40KK | 42KK | — | — | — | — | — | — | — |
| L | — | — | 32L | 34L | 36L | 38L | 40L | 42L | — | — | — | — | — | — | — |
| LL | — | — | 32LL | 34LL | 36LL | — | — | — | — | — | — | — | — | — | — |
Understanding how UK bra sizing works makes it easier to choose the right buying guide. Explore our visual resources, cup size guides and comparison tools to learn more about bra sizes before selecting your exact size.
Browse visual examples and measurements for every UK cup size from AA to LL.
Explore Cup Size Visuals Complete AA–LL GuideLearn how UK cup sizing works and explore the complete cup sequence from AA through to LL.
Read the Cup Size Guide Measurements & ProgressionView UK cup sizes in order and compare their measurement differences and progression.
View the Cup Size Chart Interactive ComparisonCompare illustrated UK bra sizes side by side and see how band size and cup volume work together across the UK sizing system.
Compare Bra Sizes VisuallyFinding the best bra starts with wearing the correct size. If you're unsure of your measurements or want to double-check your fit, use our bra sizing tools before choosing a buying guide.
Measure your underband and bust to calculate your recommended UK bra size.
Calculate Your Bra SizeCompare equivalent UK bra sizes across leading lingerie brands, including Freya, Elomi, Panache, Fantasie and more.
Compare UK Brand SizesLearn how to check your band, cups, straps and underwires for a more accurate and comfortable fit.
Read Bra Fitting AdviceIf your usual bra size doesn't feel quite right, check your measurements with our Bra Size Calculator before trying a different style. A correctly fitted bra is the best starting point for any buying guide.
You can browse the latest collections from Freya, Fantasie and Elomi before comparing sizes and exploring our independent bra buying guides.
Every bra size combines a band size and a cup size. For example, a 30F and a 40F do not have the same cup volume. Select your complete UK band-and-cup size from the Size Matrix above to view the most relevant buying guide.
Measure your underband and fullest bust, then enter the measurements into our Bra Size Calculator. Use the result as a starting point and review the fit checks in our Bra Fitting Advice.
The Size Matrix shows all currently manufactured UK bra sizes. Buying guides are being added gradually, so manufactured sizes without a published guide remain visible and will become clickable when their guide is available.
Use our Bra Size Converter to compare equivalent UK bra sizes across participating lingerie brands. You can also visit our Bra Brand Size Guides for brand-specific size charts and available size ranges.
The Bra Size Visual Comparison Tool lets you compare illustrated UK bra sizes side by side. You can also browse the How Big Are UK Bra Cup Sizes? visual library.
