Is a 30DD the same in every brand?

No - a 30DD isn't identical across brands, because brands use different sizing systems and cup depths. Here's how a standard US 30DD translates in the brands we track: ThirdLove 30DD, Wacoal 30DD, Panache 30DD, Bravissimo 30DD, Freya 30DD, Elomi 30DD, Glamorise 30DD, b.tempt'd 30DD, Fantasie 30DD. SHEFIT, Kindred Bravely, ENELL size by their own chart instead of band/cup.

What are the sister sizes for 30DD?

30DD's sister sizes — same cup volume, different band — are 28DDD and 32D. Try a sister size if the band feels too tight or loose but the cup still fits.

30DD Bras

What is a 30DD in other brands?

416 bras tracked in 30DD · 7 brands · See all DD cup

Brands: Bravissimo, Fantasie, Freya, Glamorise, Panache, Wacoal, b.tempt'd

Your 30DD across brands

A 30DD isn’t the same in every brand. Here’s how a standard US 30DD translates across the brands we track — and how each one runs.

Brand	How it runs	Your 30DD →
ThirdLove	cups run generous	30DD
Wacoal	true to size	30DD
Panache	true to size	30DD
Bravissimo	true to size	30DD

What is a 30DD in other brands? See all 30+ brands →

Sister sizes

28DDD 32D What are sister sizes?

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Your 30DD across brands

Lacey Floral Bra - Cobalt

Gia Bra - Neon Coral

Tilly Bra - Smokey Green

Gia Bra - Red

Posey Bra - White Multi

Nursing Ultimate Comfort Bra - Black

Posey Bra - White Floral

Posey Bra - Black Floral

Tilly Bra - Black Multi

Posey Bra - Navy multi

Power Wired Sports Bra - White

Endurance Wired Sports Bra - Black

Power Wired Sports Bra - Latte

Endurance Wired Sports Bra - Dusty Rose

Endurance Wired Sports Bra - Berry/Chalk

Endurance Wired Sports Bra - Sienna Rose

Lillia Balconette Bra: White

Lillia Side Support Bra: White

Magdalena Spacer Molded Bra: Vintage Green

Magdalena Spacer Molded Bra: Noir

Magdalena Spacer Molded Bra: Natural Beige

Magdalena Balconette Bra: Vintage Green

Magdalena Balconette Bra: Noir

The Shoulder Ease Bra - Steel Blue

Portia Balconette Bra: Red

Portia Side Support Bra: Red

Millie Luxe Non-Wired Bra - Black

Niya Smoothing Bra - Smokey Green

Millie Luxe Bra - Black

Ultimate Comfort Plunge Bra - Black

Millie Luxe Bra - White

Niya Smoothing Bra - Beige

Niya Smoothing Bra - White

Millie Post Surgery Bra - Black

Millie Luxe Bra - Teal

Niya Smoothing Bra - Black

Ultimate Comfort Plunge Bra - Beige

Millie Luxe Bra - Burgundy

Niya Smoothing Bra - Mocha

Coco Bra - Navy

Nellie Bra - Black

Millie Luxe Bra - Amber

Millie Luxe Bra - Forest Green

Millie Post Surgery Bra - Ivory

Endurance Wired Sports Bra - Black/Latte

Millie Nursing Bra - Black

Ultimate Back Smoothing Bra - Beige

Move 360 Sports Bra - Chocolate Brown

Move 360 Sports Bra - Teal

Iris Balcony Tankini Top - Black Gingham

Niya Sculpting Bodysuit - Black

Paloma Balcony Swimsuit - Red Gingham

Paloma Balcony Swimsuit - Black Gingham

Rita Plunge Swimsuit - Black

Rita Plunge Swimsuit - Cobalt

Rita Plunge Swimsuit - Red