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.

21 Items

  1. Deauville Full Cup BraDeauville Full Cup Bra
    Prima Donna 016-1810

    Deauville Full Cup Bra

    Rating:
    96%
    $109.95 - $170.00
  2. Envy Balconnet BraEnvy Balconnet Bra
    Panache 7285

    Envy Balconnet Bra

    Rating:
    93%
    $52.95 - $71.00
  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. 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
  5. Orlando Full Cup BraOrlando Full Cup Bra
    Prima Donna 016-3150

    Orlando Full Cup Bra

    Rating:
    100%
    $124.95 - $159.00
  6. Victory Side Support Multi Part Cup BraVictory Side Support Multi Part Cup Bra
    Curvy Kate ck9001

    Victory Side Support Multi Part Cup Bra

    Rating:
    81%
    $39.95 - $66.00
  7. Revele Moi Underwire BraRevele Moi Underwire Bra
    Chantelle 1571

    Revele Moi Underwire Bra

    Rating:
    95%
    $88.00
  8. 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
  9. Illusion Underwire Side Support BraIllusion Underwire Side Support Bra
    Fantasie fl2982

    Illusion Underwire Side Support Bra

    Rating:
    91%
    $43.95 - $66.00
  10. Jasmine Balconnet Underwire BraJasmine Balconnet Underwire Bra
    Panache 6951

    Jasmine Balconnet Underwire Bra

    Rating:
    90%
    $71.00 $52.95 - $54.95
  11. Catwalk Underwire Side Support BraCatwalk Underwire Side Support Bra
    Freya aa2201

    Catwalk Underwire Side Support Bra

    Rating:
    100%
    $66.00 $49.95
  12. Aurelia Underwire Side Support BraAurelia Underwire Side Support Bra
    Fantasie fl1001

    Aurelia Underwire Side Support Bra

    Rating:
    100%
    $80.00 $58.95 - $64.95
  13. 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
  14. Adelle Underwire Side Support BraAdelle Underwire Side Support Bra
    Fantasie fl1447

    Adelle Underwire Side Support Bra

    $70.00 $54.95
  15. Memoir Underwire Full Cup Side Support BraMemoir Underwire Full Cup Side Support Bra
    Fantasie fl3021

    Memoir Underwire Full Cup Side Support Bra

    Rating:
    57%
    $69.00 $51.95
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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.