Is a 40DD the same in every brand?

No - a 40DD isn't identical across brands, because brands use different sizing systems and cup depths. Here's how a standard US 40DD translates in the brands we track: ThirdLove 40DD, Wacoal 40DD, Panache 40DD, Freya 40DD, Elomi 40DD, Glamorise 40DD, b.tempt'd 40DD, Fantasie 40DD. SHEFIT, Kindred Bravely, ENELL size by their own chart instead of band/cup.

What are the sister sizes for 40DD?

40DD's sister sizes — same cup volume, different band — are 38DDD and 42D. Try a sister size if the band feels too tight or loose but the cup still fits.

40DD Bras

What is a 40DD in other brands?

651 bras tracked in 40DD · 8 brands · See all DD cup

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

Your 40DD across brands

A 40DD isn’t the same in every brand. Here’s how a standard US 40DD translates across the brands we track — and how each one runs.

Brand	How it runs	Your 40DD →
ThirdLove	cups run generous	40DD
Wacoal	true to size	40DD
Panache	true to size	40DD
Freya	band runs small	40DD

What is a 40DD in other brands? See all 30+ brands →

Sister sizes

38DDD 42D What are sister sizes?

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Your 40DD across brands

Elevated Allure Underwire Bra: Bungee Cord

Back Appeal® Underwire Bra: Black

Back Appeal® Underwire Bra: Rose Dust

Back Appeal® Underwire Bra: Cappuccino

Back Appeal® Underwire Bra: Praline

Perfect Primer Full Figure Underwire Bra: White

Perfect Primer Full Figure Underwire Bra: Black

Perfect Primer Full Figure Underwire Bra: Roebuck

Perfect Primer Full Figure Underwire Bra: Belgian Block

Go Anywear T-Shirt Bra: Black

Go Anywear T-Shirt Bra: Roebuck

Vivid Attraction T-Shirt Bra: Black

Vivid Attraction T-Shirt Bra: Woodrose

Vivid Attraction T-Shirt Bra: Dark Purple

Back Appeal® Underwire Bra: Soft Sky

Belle Balcony Bra: White

Belle Balcony Bra: Natural Beige

Belle Balcony Bra: Black

Belle Full Cup Bra: White

Belle Full Cup Bra: Natural Beige

Belle Full Cup Bra: Black

Aura Molded Bra: Natural Beige

Aura Molded Bra: Black

Cesile Side Support Bra: Peach Sorbet

Cesile Side Support Bra: Black

Demure Molded Non Padded Bra: Natural Beige

Demure Molded Non Padded Bra: Black

Emmaline Side Support Bra: Natural Beige

Emmaline Side Support Bra: Midnight

Emmaline Side Support Bra: Blossom

Matilda Plunge Bra: White

Matilda Plunge Bra: Pearl Blush

Matilda Plunge Bra: Lunar Blue

Matilda Plunge Bra: Cafe Au Lait

Matilda Plunge Bra: Black

Brianna Padded Half Cup Bra: Heather

Brianna Padded Half Cup Bra: Black

Energise Sports Bra: Navy Geo

Energise Sports Bra: White

Energise Sports Bra: Nude

Energise Sports Bra: Navy

Energise Sports Bra: Black

Aerith Plunge Bra: Rose

Darcie Padded Half Cup Bra: Azalea

Power Wired Sports Bra - Blue

Serene Full Cup Bra - Vintage

Jenna Bra - White

Niya Smoothing Bra - Forest Green

365 Moulded Plunge Bra - Black

Ada Non Wired Nursing Bra - Black/Latte

Taking Sides T-Shirt Bra: Black

Taking Sides T-Shirt Bra: Roebuck

Taking Sides T-Shirt Bra: Belgian Block

Back Appeal® T-Shirt Bra: Dark Slate

Back Appeal® Wire Free T-Shirt Bra: Black

Back Appeal® Wire Free T-Shirt Bra: Rose Dust

Shape Revelation® Pendulous Underwire Bra: Praline

Confidence Boost™ Underwire Bra: Black

Confidence Boost™ Underwire Bra: Roebuck

Confidence Boost™ Underwire Bra: Dark Slate