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.

Items 1-24 of 34

  1. Cassiopee Seamless Embroidery Full Cup Bra Henna 32CCassiopee Seamless Embroidery Full Cup Bra Henna 32C
    Empreinte 07151
    Cassiopee Seamless Embroidery Full Cup Bra
    Rating:
    96%
    $164.95 - $225.00
  2. Envy Balconnet Bra Violet 30KEnvy Balconnet Bra Violet 30K
    Panache 7285
    Envy Balconnet Bra
    Rating:
    93%
    $52.95 - $72.00
  3. Cassiopee Seamless Spacer Foam Underwire Bra Henna 32CCassiopee Seamless Spacer Foam Underwire Bra Henna 32C
    Empreinte 40151
    Cassiopee Seamless Spacer Foam Underwire Bra
    Rating:
    93%
    $164.95 - $225.00
  4. Allure Full Cup Underwire Bra Black/Latte 30DAllure Full Cup Underwire Bra Black/Latte 30D
    Panache 10765
    Allure Full Cup Underwire Bra
    Rating:
    90%
    $56.95 - $74.00
  5. Elise Molded Convertible Bra Lavender Aura 44DElise Molded Convertible Bra Lavender Aura 44D
    Fit Fully Yours b1812
    Elise Molded Convertible Bra
    Rating:
    91%
    $51.95 - $90.00
  6. Fusion Underwire Full Cup Side Support Bra Black Cherry 30DFusion Underwire Full Cup Side Support Bra Black Cherry 30D
    Fantasie fl3091
    Fusion Underwire Full Cup Side Support Bra
    Rating:
    83%
    $37.95 - $66.00
  7. Clara Full Cup Bra Thistle Haze 32JClara Full Cup Bra Thistle Haze 32J
    Panache 7255
    Clara Full Cup Bra
    Rating:
    88%
    $52.95 - $74.00
  8. Ultra Perform Non Padded Sports Bra Charcoal 28FUltra Perform Non Padded Sports Bra Charcoal 28F
    Panache 5022
    Ultra Perform Non Padded Sports Bra
    Rating:
    70%
    $59.95 - $79.00
  9. Orlando Full Cup Bra Sweet Violet 30FOrlando Full Cup Bra Sweet Violet 30F
    Prima Donna 016-3150
    Orlando Full Cup Bra
    Rating:
    100%
    $124.95 - $165.00
  10. Nicole Sheer Lace Bra Purple Lilac 30CNicole Sheer Lace Bra Purple Lilac 30C
    Fit Fully Yours b2271
    Nicole Sheer Lace Bra
    Rating:
    90%
    $49.95 - $77.00
  11. Sonic Underwire Molded Spacer Sports Bra Galactic 28DSonic Underwire Molded Spacer Sports Bra Galactic 28D
    Freya ac4892
    Sonic Underwire Molded Spacer Sports Bra
    Rating:
    87%
    $34.99 - $74.00
  12. Romy Underwired Low-Necked Bra Lilas 40DRomy Underwired Low-Necked Bra Lilas 40D
    Empreinte 08212
    Romy Underwired Low-Necked Bra
    Rating:
    100%
    $132.95 - $178.00
  13. Glossies Lace Sheer Bra Heron 30DGlossies Lace Sheer Bra Heron 30D
    Gossard 13001
    Glossies Lace Sheer Bra
    Rating:
    94%
    $29.99 - $66.00
  14. Reflect Underwire Side Support Bra Heather 30DReflect Underwire Side Support Bra Heather 30D
    Fantasie fl1801
    Reflect Underwire Side Support Bra
    Rating:
    100%
    $49.95 - $68.00
  15. Serene Full Cup Underwire Bra Aubergine 28FSerene Full Cup Underwire Bra Aubergine 28F
    Panache 10305
    Serene Full Cup Underwire Bra
    Rating:
    100%
    $59.95 - $68.00
  16. Superboost Lace Deep V Underwire Bralette Orchid 30DSuperboost Lace Deep V Underwire Bralette Orchid 30D
    Gossard 7718
    Superboost Lace Deep V Underwire Bralette
    Rating:
    91%
    $38.99 - $78.00
  17. Offbeat Underwire Side Support Bra White 28DOffbeat Underwire Side Support Bra White 28D
    Freya aa5451
    Offbeat Underwire Side Support Bra
    Rating:
    82%
    $29.99 - $66.00
  18. Envisage Underwire Full Cup Bra With Side Support Mulberry 30DEnvisage Underwire Full Cup Bra With Side Support Mulberry 30D
    Fantasie fl6911
    Envisage Underwire Full Cup Bra With Side Support
    Rating:
    96%
    $34.95 - $66.00
  19. Delice Sheer Plunge Bra Gem/Black 38BDelice Sheer Plunge Bra Gem/Black 38B
    Simone Perele 12x319
    Delice Sheer Plunge Bra
    Rating:
    97%
    $79.95 - $120.00
  20. Superboost Lace Padded Plunge Bra Orchid 30DDSuperboost Lace Padded Plunge Bra Orchid 30DD
    Gossard 7711
    Superboost Lace Padded Plunge Bra
    Rating:
    81%
    $32.99 - $75.00
  21. Tango Balconnet Bra with Shiny Trim Lilac 32DTango Balconnet Bra with Shiny Trim Lilac 32D
    Panache 9071
    Tango Balconnet Bra with Shiny Trim
    Rating:
    92%
    $37.95 - $63.00
  22. Offbeat Underwire Plunge Moulded Bra White 28DOffbeat Underwire Plunge Moulded Bra White 28D
    Freya aa5450
    Offbeat Underwire Plunge Moulded Bra
    Rating:
    86%
    $40.95 - $70.00
  23. C Jolie Memory Foam Underwire Bra Aubergine 32GC Jolie Memory Foam Underwire Bra Aubergine 32G
    Chantelle 13b6
    C Jolie Memory Foam Underwire Bra
    Rating:
    70%
    $59.95 - $82.00
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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.