30DD Bras, Lingerie, and Swimwear | 30DD Bra Size

Bra sizing can be confusing, especially with different international standards. 30DD lingerie and swimwear in US sizing is equivalent to a 30E in European brands like Chantelle, Empreinte, and Prima Donna. That’s why HerRoom created the Universal Cup Sizing™ (UCS) system, which helps you shop across different brands with ease. By searching for 30D2, you’ll find all the bras and swimwear that match your size, whether the label says DD or E.

Items 1-24 of 226

  1. Full-Busted Underwire Sports BraFull-Busted Underwire Sports Bra
    Panache 5021

    Full-Busted Underwire Sports Bra

    Rating:
    60%
    $44.95 - $75.00
  2. Basic Beauty Underwire Spacer T-shirt BraBasic Beauty Underwire Spacer T-shirt Bra
    Wacoal 853192

    Basic Beauty Underwire Spacer T-shirt Bra

    Rating:
    88%
    $42.95 - $65.00
  3. Envy Balconnet BraEnvy Balconnet Bra
    Panache 7285

    Envy Balconnet Bra

    Rating:
    93%
    $52.95 - $71.00
  4. Serena Lace Multi-Part Underwire BraSerena Lace Multi-Part Underwire Bra
    Fit Fully Yours b2761

    Serena Lace Multi-Part Underwire Bra

    $34.99 - $77.00
  5. 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
  6. Allure Full Cup Underwire BraAllure Full Cup Underwire Bra
    Panache 10765

    Allure Full Cup Underwire Bra

    Rating:
    100%
    $56.95 - $71.00
  7. Idol Underwire T-Shirt BraIdol Underwire T-Shirt Bra
    Freya aa1050

    Idol Underwire T-Shirt Bra

    Rating:
    89%
    $50.95 - $70.00
  8. Elise Molded Convertible BraElise Molded Convertible Bra
    Fit Fully Yours b1812

    Elise Molded Convertible Bra

    Rating:
    91%
    $51.95 - $90.00
  9. Fusion Underwire Full Cup Side Support BraFusion Underwire Full Cup Side Support Bra
    Fantasie fl3091

    Fusion Underwire Full Cup Side Support Bra

    Rating:
    83%
    $37.95 - $66.00
  10. Feathers Contour Plunge BraFeathers Contour Plunge Bra
    New Color
    Natori 730023

    Feathers Contour Plunge Bra

    Rating:
    95%
    $43.95 - $68.00
  11. Clara Full Cup BraClara Full Cup Bra
    Panache 7255

    Clara Full Cup Bra

    Rating:
    89%
    $52.95 - $71.00
  12. 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
  13. Nicole Sheer Lace BraNicole Sheer Lace Bra
    Fit Fully Yours b2271

    Nicole Sheer Lace Bra

    Rating:
    90%
    $49.95 - $77.00
  14. 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
  15. Ultra Perform Non Padded Sports BraUltra Perform Non Padded Sports Bra
    Panache 5022

    Ultra Perform Non Padded Sports Bra

    Rating:
    70%
    $59.95 - $75.00
  16. 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
  17. Zora Molded Underwire BraZora Molded Underwire Bra
    Fit Fully Yours b1212

    Zora Molded Underwire Bra

    Rating:
    85%
    $80.00
  18. Luxe Strapless Multiway Underwire BraLuxe Strapless Multiway Underwire Bra
    Curvy Kate ck2601

    Luxe Strapless Multiway Underwire Bra

    Rating:
    85%
    $53.95 - $77.00
  19. Glossies Sheer BraGlossies Sheer Bra
    New Color
    Gossard 6271

    Glossies Sheer Bra

    Rating:
    89%
    $30.99 - $63.00
  20. Pure Luxe Contour Underwire BraPure Luxe Contour Underwire Bra
    New Color
    Natori 732080

    Pure Luxe Contour Underwire Bra

    Rating:
    86%
    $48.95 - $74.00
  21. Rebecca Essentials Underwire Moulded Spacer BraRebecca Essentials Underwire Moulded Spacer Bra
    Fantasie fl1310

    Rebecca Essentials Underwire Moulded Spacer Bra

    Rating:
    93%
    $48.95 - $70.00
  22. Reflect Underwire Side Support BraReflect Underwire Side Support Bra
    Fantasie fl1801

    Reflect Underwire Side Support Bra

    Rating:
    100%
    $49.95 - $68.00
  23. Sonic Underwire Molded Spacer Sports BraSonic Underwire Molded Spacer Sports Bra
    Freya ac4892

    Sonic Underwire Molded Spacer Sports Bra

    Rating:
    87%
    $34.99 - $74.00
Page
per page
30DD Bras, Lingerie, and Swimwear | 30DD Bra Size Shop the Best Bras for Women | 30 Day Returns | HerRoom

The Best 30DD Bras: Styles to Explore

A 30DD bust requires the right balance of support and shaping, and HerRoom carries a variety of styles to suit different needs. T-shirt bras provide a smooth, seamless look under clothing, while balconette bras offer a slight lift for a natural, rounded shape. Full-coverage bras ensure maximum support, while plunge bras create a flattering neckline for low-cut tops. If you prefer a wireless option, soft-cup bras provide gentle shaping without underwires. With a well-fitting bra, you can achieve both comfort and confidence in your daily wardrobe.

Understanding Your 30DD Bra Size

Bra sizing can be confusing, especially with different international standards. 30DD lingerie in US sizing is equivalent to a 30E in European brands like Chantelle, Empreinte, and Prima Donna. That’s why HerRoom created the Universal Cup Sizing™ (UCS) system, which helps you shop across different brands with ease. By searching for 30D2, you’ll find all the bras and swimwear that match your size, whether the label says DD or E. This simplifies the shopping process, making it easier to find consistently great-fitting lingerie and 30DD swimwear across different collections.

FAQs

Is 30DD a big size?

A 30DD is equivalent to a 32D, 34C, or 28E in terms of cup volume. However, because different brands use varying sizing systems, using HerRoom’s Universal Cup Sizing™ (UCS) helps find the best fit.

What bra size is equivalent to 30DD?

A 30DD is equivalent to a 32D, 34C, or 28E in terms of cup volume. However, because different brands use varying sizing systems, using HerRoom’s Universal Cup Sizing™ (UCS) helps find the best fit.

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.