How does CUUP bra sizing run?
CUUP is labelled in US sizing, carrying cups A–H. Modern mesh cuts run true and project well. Below is how a CUUP size translates across all eight regional standards, plus sister sizes and where to buy.
CUUP size range & system
CUUP sizes in US, with cups A–H. Known for plunge, everyday, tshirt.
CUUP size conversion chart
Each row is one CUUP cup size read across the eight standards. The US column (highlighted) is how CUUP labels its bras.
| US | UK | EU | FR | IT | AU | JP | IN |
|---|---|---|---|---|---|---|---|
| A | A | A | A | A | A | A | A |
| B | B | B | B | B | B | B | B |
| C | C | C | C | C | C | C | C |
| D | D | D | D | D | D | D | D |
| DD | DD | E | E | E | DD | E | DD |
| DDD | E | F | F | F | E | F | E |
| G | F | G | G | G | F | G | F |
| H | FF | H | H | H | FF | H | FF |
Band conversions are exact; cup fit still varies by brand, style, and body — a conversion is a starting point, not a guarantee.
Common CUUP sizes
Open the full eight-standard conversion for a specific size:
Sister sizes in CUUP
If a CUUP bra fits in the cup but the band is off, your sister size keeps the same cup volume with a different band — go down a band and up a cup, or up a band and down a cup. Example: a 34D and a 32DD hold the same cup volume.
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Find your size in CUUP →Where to buy CUUP
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CUUP sizing FAQ
- Does CUUP run true to size?
- 30A-50H. Most inclusive US sizing. Mesh bras run true. Minimal, modern.
- What sizing system does CUUP use?
- CUUP is labelled in US sizing, with cups from A to H. Use the conversion table above to read your size across US, UK, EU, FR, IT, AU, JP and IN.
- What is a 34D in CUUP in EU sizing?
- A US 34D converts to EU 75D. Band conversions are exact; cup fit still varies by brand, style, and body — a conversion is a starting point, not a guarantee.