Is a 40D the same in every brand?

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

What are the sister sizes for 40D?

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

40D Bras

What is a 40D in other brands?

588 bras tracked in 40D · 9 brands · See all D cup

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

Your 40D across brands

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

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

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

Sister sizes

38DD 42C What are sister sizes?

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Your 40D across brands

Simply Done T-Shirt Bra: Black

Simply Done T-Shirt Bra: Roebuck

Simply Done T-Shirt Bra: Belgian Block

Shape Revelation® Shallow Top Underwire T-Shirt Bra: Praline

Back Appeal® T-Shirt Bra: Black

Back Appeal® T-Shirt Bra: Rose Dust

Lindsey Sport Contour Underwire Bra: Black/Lilac Gray

Envisage Spacer Molded Bra: Evening Blue

Vida Bra - Fig

Alice Balcony Strapless Bra - Honey

Alice Balcony Strapless Bra - Black

Sydney Sport Underwire Bra: White

Sydney Sport Underwire Bra: Black

Sydney Sport Underwire Bra: Bel Air Blue

Simone Sport Underwire Bra: Black

Simone Sport Underwire Bra: Sand

Self Assured Push Up Strapless Bra: Black

Self Assured Push Up Strapless Bra: Roebuck

Red Carpet™ Strapless Underwire Bra: Black

Red Carpet™ Strapless Underwire Bra: Roebuck

24/7® Classic Unlined Minimizer Bra: Taupe

24/7® Classic Unlined Minimizer Bra: Black

Coco Bra - Ivory

Aura Molded Strapless Bra: Natural Beige

Aura Molded Strapless Bra: Black

Anya Riva Spot Balcony Tankini Top - Navy/Vanilla

Katherine Nursing Bra - Black

Rose Lace Unlined Demi Bra: Sea-Salt

Envisage Spacer Molded Bra: Natural Beige

Envisage Spacer Molded Bra: Black

Emmaline Spacer Molded Bra: Natural Beige

Emmaline Spacer Molded Bra: Midnight

Emmaline Spacer Molded Bra: Blossom

Reflect Spacer Molded Bra: Red

Reflect Spacer Molded Bra: Navy

Reflect Spacer Molded Bra: Natural Beige

Reflect Spacer Molded Bra: Black

Niya Bra - White

Nursing Sleep Bra - Navy

Lillie Bra - Blush Pink

Niya Bra - Champagne

Clara Full Cup Bra - Chai

Allure Full Cup Bra - Ivory

Allure Full Cup Bra - Black/Latte

Bliss Full Cup Bra - Hazel

Bliss Full Cup Bra - Noir

Clara Full Cup Bra - Charc/Black

Clara Full Cup Bra - Honey

Allure Full Cup Bra - Azure Blue

Allure Full Cup Bra - True Red

Allure Full Cup Bra - Honey

Magdalena Side Support Bra: Vintage Green

Magdalena Side Support Bra: Noir

Magdalena Side Support Bra: Natural Beige

Esmae Bra - Ivory

Dana Front Fastening Bra - Cobalt/silver

Millie Bra - Ivory

Esmae Bra - Blue/Lilac

Satine Bra - Champagne

Ultimate Comfort Bra - Burgundy