How does Lounge bra sizing run?
Lounge is labelled in UK sizing. Hugely popular DTC basics. Below is how a Lounge size translates across all eight regional standards, plus sister sizes and where to buy.
Lounge size range & system
Lounge sizes in UK.
Lounge size conversion chart
Each row is one Lounge cup size read across the eight standards. The UK column (highlighted) is how Lounge 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 |
Band conversions are exact; cup fit still varies by brand, style, and body — a conversion is a starting point, not a guarantee.
Common Lounge sizes
Open the full eight-standard conversion for a specific size:
Sister sizes in Lounge
If a Lounge 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 Lounge →Where to buy Lounge
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Lounge sizing FAQ
- Does Lounge run true to size?
- UK sizing. Everyday comfort. Hugely popular DTC basics.
- What sizing system does Lounge use?
- Lounge is labelled in UK sizing. Use the conversion table above to read your size across US, UK, EU, FR, IT, AU, JP and IN.
- What is a 34D in Lounge 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.