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.

17 Items

  1. Elise Molded Convertible BraElise Molded Convertible Bra
    Fit Fully Yours b1812
    Elise Molded Convertible Bra
    Rating:
    91%
    $51.95 - $90.00
  2. Active Air Control Wire Free Sports BraActive Air Control Wire Free Sports Bra
    Anita 5544
    Active Air Control Wire Free Sports Bra
    Rating:
    95%
    $41.99 - $89.00
  3. Superplunge Multiway Padded Plunge BraSuperplunge Multiway Padded Plunge Bra
    Curvy Kate ck2107
    Superplunge Multiway Padded Plunge Bra
    Rating:
    70%
    $68.00
  4. Non Wired Sports BraNon Wired Sports Bra
    Panache 7341b
    Non Wired Sports Bra
    Rating:
    100%
    $54.95 - $76.00
  5. 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
  6. Alexis T-Shirt BraAlexis T-Shirt Bra
    Cleo by Panache 10470
    Alexis T-Shirt Bra
    $71.00 $54.95
  7. Karma Strapless BraKarma Strapless Bra
    Simone Perele 12v302
    Karma Strapless Bra
    $100.00
  8. Tiffany Wireless BraTiffany Wireless Bra
    Fit Fully Yours b6913
    Tiffany Wireless Bra
    Rating:
    40%
    $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.