30F Bras Lingerie, and Swimwear | 30F Bra Size

F Bra Cup Size (Your UCS is either a D3 or a D4 )

Your F cup size can be a little tricky.  If you are an F cup size in EU brands like Chantelle, Empreiente, Prima Donna, Anita, Simone Perele, and others, you are also a DDD cup size in US brands like  Wacoal, Bali, Natori, and Vanity Fair, and an E cup in UK brands like Elomi, Freya, and Panache.

And... if you're an F cup size in UK brands, you are also a G cup size in both US brands (formerly the DDDD cup size)  and EU brands. 

At HerRoom, it's easy to combine all your cup sizes into one simple search by using our exclusive Universal Cup Sizing (UCS).

Search 30D3 and see everything that comes in your F, DDD, and E cup sizes.

Search 30D4 and see everything that comes in your F, DDDD, and G cup sizes.

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  1. Envy Balconnet BraEnvy Balconnet Bra
    New Color
    Panache 7285
    Envy Balconnet Bra
    Rating:
    93%
    $52.95 - $72.00
  2. Active Maximum Support Wire Free Sports BraActive Maximum Support Wire Free Sports Bra
    Anita 5527
    Active Maximum Support Wire Free Sports Bra
    Rating:
    89%
    $58.95 - $79.00
  3. Fusion Underwire Full Cup Side Support BraFusion Underwire Full Cup Side Support Bra
    Fantasie fl3091
    Fusion Underwire Full Cup Side Support Bra
    Rating:
    83%
    $37.95 - $66.00
  4. Orlando Full Cup BraOrlando Full Cup Bra
    Prima Donna 016-3150
    Orlando Full Cup Bra
    Rating:
    100%
    $124.95 - $165.00
  5. Reflect Underwire Side Support BraReflect Underwire Side Support Bra
    Fantasie fl1801
    Reflect Underwire Side Support Bra
    Rating:
    100%
    $49.95 - $68.00
  6. Offbeat Underwire Side Support BraOffbeat Underwire Side Support Bra
    Freya aa5451
    Offbeat Underwire Side Support Bra
    Rating:
    82%
    $29.99 - $66.00
  7. Active Dynamic Wirefree Hi-Impact Sports BraActive Dynamic Wirefree Hi-Impact Sports Bra
    Freya aa4014
    Active Dynamic Wirefree Hi-Impact Sports Bra
    Rating:
    83%
    $41.95 - $70.00
  8. Revele Moi Underwire BraRevele Moi Underwire Bra
    Chantelle 1571
    Revele Moi Underwire Bra
    Rating:
    95%
    $88.00
  9. Illusion Underwire Side Support BraIllusion Underwire Side Support Bra
    Fantasie fl2982
    Illusion Underwire Side Support Bra
    Rating:
    91%
    $43.95 - $66.00
  10. Lucia Underwire Side Support BraLucia Underwire Side Support Bra
    Fantasie fl1501
    Lucia Underwire Side Support Bra
    $54.95 - $70.00
  11. Jasmine Balconnet Underwire BraJasmine Balconnet Underwire Bra
    Panache 6951
    Jasmine Balconnet Underwire Bra
    Rating:
    90%
    $71.00 $52.95 - $54.95
  12. Catwalk Underwire Side Support BraCatwalk Underwire Side Support Bra
    Freya aa2201
    Catwalk Underwire Side Support Bra
    Rating:
    100%
    $66.00 $49.95
  13. Jade Lace BraJade Lace Bra
    Fit Fully Yours b2405
    Jade Lace Bra
    $81.00
  14. Aurelia Underwire Side Support BraAurelia Underwire Side Support Bra
    Fantasie fl1001
    Aurelia Underwire Side Support Bra
    Rating:
    100%
    $80.00 $58.95 - $64.95
  15. Aubree Underwire Side Support Plunge BraAubree Underwire Side Support Plunge Bra
    Fantasie fl6932
    Aubree Underwire Side Support Plunge Bra
    Rating:
    80%
    $74.00 $44.95 - $56.95
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If you’re looking for the best bras for women, then you’ve come to the right place. We offer a wide assortment of styles, brands, and sizes at HerRoom. Whether you’re an A or a P cup, you’re sure to find the perfect bra.