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.

19 Items

  1. Cassiopee Seamless Embroidery Full Cup BraCassiopee Seamless Embroidery Full Cup Bra
    Empreinte 07151

    Cassiopee Seamless Embroidery Full Cup Bra

    Rating:
    96%
    $164.95 - $225.00
  2. Wonderwire Stretch Lace Front Closure BraWonderwire Stretch Lace Front Closure Bra
    Glamorise 9245

    Wonderwire Stretch Lace Front Closure Bra

    Rating:
    85%
    $57.00 $34.95 - $42.75
  3. Zora Molded Underwire BraZora Molded Underwire Bra
    Fit Fully Yours b1212

    Zora Molded Underwire Bra

    Rating:
    85%
    $80.00
  4. Initiale Spacer Foam Underwire Sports BraInitiale Spacer Foam Underwire Sports Bra
    Empreinte 07200

    Initiale Spacer Foam Underwire Sports Bra

    Rating:
    87%
    $149.95 - $204.00
  5. 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
  6. Tango Balconnet Bra with Shiny TrimTango Balconnet Bra with Shiny Trim
    Panache 9071

    Tango Balconnet Bra with Shiny Trim

    Rating:
    92%
    $37.95 - $63.00
  7. Porcelain Elan Strapless T-Shirt BraPorcelain Elan Strapless T-Shirt Bra
    Panache 7320

    Porcelain Elan Strapless T-Shirt Bra

    Rating:
    100%
    $71.00
  8. Ana Underwire Side Support BraAna Underwire Side Support Bra
    Fantasie fl6702

    Ana Underwire Side Support Bra

    Rating:
    95%
    $77.00
  9. Scantilly Fascinate Plunge Basque BraScantilly Fascinate Plunge Basque Bra
    Curvy Kate st1770

    Scantilly Fascinate Plunge Basque Bra

    Rating:
    100%
    $151.00 $119.95
  10. Ella Molded Cup BraElla Molded Cup Bra
    Fit Fully Yours b1824

    Ella Molded Cup Bra

    $96.00
  11. Loveland Underwire Plunge BraLoveland Underwire Plunge Bra
    Freya aa1002

    Loveland Underwire Plunge Bra

    Rating:
    100%
    $42.95 - $62.00
  12. Maxine Contour Underwire BraMaxine Contour Underwire Bra
    Fit Fully Yours b1012

    Maxine Contour Underwire Bra

    Rating:
    86%
    $29.99 - $79.00
  13. Meryl Front Close Minimizer BraMeryl Front Close Minimizer Bra
    Dominique 7050

    Meryl Front Close Minimizer Bra

    Rating:
    70%
    $64.00
  14. Crystal Smooth T-Shirt Underwire BraCrystal Smooth T-Shirt Underwire Bra
    Fit Fully Yours b1022

    Crystal Smooth T-Shirt Underwire Bra

    Rating:
    76%
    $64.00
  15. Gin Fizz Longline Balcony BraGin Fizz Longline Balcony Bra
    Curvy Kate ck4511

    Gin Fizz Longline Balcony Bra

    Rating:
    53%
    $80.00 $45.95
  16. Core Underwire Sports BraCore Underwire Sports Bra
    Freya aa4002

    Core Underwire Sports Bra

    Rating:
    87%
    $64.00 $47.95
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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.