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.

14 Items

  1. Cassiopee Seamless Spacer Foam Underwire BraCassiopee Seamless Spacer Foam Underwire Bra
    Empreinte 40151

    Cassiopee Seamless Spacer Foam Underwire Bra

    Rating:
    93%
    $164.95 - $225.00
  2. Elise Molded Convertible BraElise Molded Convertible Bra
    Fit Fully Yours b1812

    Elise Molded Convertible Bra

    Rating:
    91%
    $51.95 - $90.00
  3. Zora Molded Underwire BraZora Molded Underwire Bra
    Fit Fully Yours b1212

    Zora Molded Underwire Bra

    Rating:
    85%
    $80.00
  4. Gloria Smooth Lace BraGloria Smooth Lace Bra
    Fit Fully Yours b1042

    Gloria Smooth Lace Bra

    Rating:
    81%
    $77.00
  5. Smoothing Seamless Strapless BraSmoothing Seamless Strapless Bra
    Fantasie fl4530

    Smoothing Seamless Strapless Bra

    Rating:
    90%
    $72.00
  6. Ella Molded Cup BraElla Molded Cup Bra
    Fit Fully Yours b1824

    Ella Molded Cup Bra

    $96.00
  7. Casey Plunge Molded BraCasey Plunge Molded Bra
    Parfait 2801

    Casey Plunge Molded Bra

    Rating:
    86%
    $52.00
  8. Maxine Contour Underwire BraMaxine Contour Underwire Bra
    Fit Fully Yours b1012

    Maxine Contour Underwire Bra

    Rating:
    86%
    $29.99 - $79.00
  9. Felicia Strapless BraFelicia Strapless Bra
    Fit Fully Yours b1011

    Felicia Strapless Bra

    Rating:
    80%
    $74.00
  10. Tiffany Wireless BraTiffany Wireless Bra
    Fit Fully Yours b6913

    Tiffany Wireless Bra

    Rating:
    40%
    $64.00
  11. C Ideal Plunge T-Shirt Underwire BraC Ideal Plunge T-Shirt Underwire Bra
    Chantelle 1951

    C Ideal Plunge T-Shirt Underwire Bra

    Rating:
    82%
    $78.00 $59.95
  12. Aura Underwire Seamless Strapless BraAura Underwire Seamless Strapless Bra
    Fantasie fl2320

    Aura Underwire Seamless Strapless Bra

    Rating:
    65%
    $74.00
  13. Smooth Molded Sweetheart Underwire BraSmooth Molded Sweetheart Underwire Bra
    Fit Fully Yours b1002

    Smooth Molded Sweetheart Underwire Bra

    Rating:
    73%
    $64.00
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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.