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.

22 Items

  1. Ana Non-Padded Plunge Underwire BraAna Non-Padded Plunge Underwire Bra
    Panache 9396a

    Ana Non-Padded Plunge Underwire Bra

    Rating:
    90%
    $52.95 - $71.00
  2. SuperBra Tango II Underwire Balconnet BraSuperBra Tango II Underwire Balconnet Bra
    Panache 3251

    SuperBra Tango II Underwire Balconnet Bra

    Rating:
    83%
    $48.95 - $66.00
  3. 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
  4. Delice Sheer Plunge BraDelice Sheer Plunge Bra
    Simone Perele 12x319

    Delice Sheer Plunge Bra

    Rating:
    97%
    $79.95 - $120.00
  5. Superplunge Multiway Padded Plunge BraSuperplunge Multiway Padded Plunge Bra
    Curvy Kate ck2107

    Superplunge Multiway Padded Plunge Bra

    Rating:
    70%
    $68.00
  6. Romy Underwired Low-Necked BraRomy Underwired Low-Necked Bra
    Empreinte 08212

    Romy Underwired Low-Necked Bra

    Rating:
    100%
    $132.95 - $178.00
  7. Lifestyle Sheer Plunge Multi Part Cup BraLifestyle Sheer Plunge Multi Part Cup Bra
    Curvy Kate ck5711

    Lifestyle Sheer Plunge Multi Part Cup Bra

    Rating:
    86%
    $29.99 - $61.00
  8. Ana Spacer Foam T-Shirt Underwire BraAna Spacer Foam T-Shirt Underwire Bra
    Fantasie fl6701

    Ana Spacer Foam T-Shirt Underwire Bra

    Rating:
    100%
    $53.95 - $77.00
  9. Tango Essence Balconnet BraTango Essence Balconnet Bra
    Panache 10961

    Tango Essence Balconnet Bra

    $48.95 - $60.00
  10. Jade Lace BraJade Lace Bra
    Fit Fully Yours b2405

    Jade Lace Bra

    $81.00
  11. Mia Bralette BraMia Bralette Bra
    Fit Fully Yours b6105

    Mia Bralette Bra

    $87.00
  12. Shea Plunge Unlined Underwire BraShea Plunge Unlined Underwire Bra
    Parfait p6062

    Shea Plunge Unlined Underwire Bra

    Rating:
    90%
    $56.00
  13. Scantilly Fallen Angel Balcony BraScantilly Fallen Angel Balcony Bra
    Curvy Kate st1210

    Scantilly Fallen Angel Balcony Bra

    Rating:
    87%
    $90.00 $44.99
  14. Scantilly Exposed Plunge Underwire BraScantilly Exposed Plunge Underwire Bra
    Curvy Kate st1110

    Scantilly Exposed Plunge Underwire Bra

    Rating:
    100%
    $76.00 $49.95 - $60.95
  15. Intrigue Demi Cup BraIntrigue Demi Cup Bra
    Simone Perele 1e2330

    Intrigue Demi Cup Bra

    $140.00
  16. Adelle Underwire Side Support BraAdelle Underwire Side Support Bra
    Fantasie fl1447

    Adelle Underwire Side Support Bra

    $70.00 $54.95
  17. Nina Balcony BraNina Balcony Bra
    Panache 10941

    Nina Balcony Bra

    $71.00
  18. Scantilly Unzipped Plunge BraScantilly Unzipped Plunge Bra
    Curvy Kate st5101

    Scantilly Unzipped Plunge Bra

    Rating:
    100%
    $80.00 $48.95
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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.