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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Fantasie

Smoothing Balcony Bra: White

$55.00

Your 40D across brands

Smoothing Balcony Bra: White

Amara Bra - Bright Blue

No-Bounce Camisole Elite Sports Bra White/Gray

No-Bounce Camisole Elite Sports Bra Rose Tan

No-Bounce Camisole Elite Sports Bra Black

Ophelia Bra - White Multi

Midnight Soiree Underwire Bra: Regina Red

Midnight Soiree Underwire Bra: Champagne

Midnight Soiree Underwire Bra: Caviar

Organic Cloud Cotton Perfect Coverage Bra: Rose-Dust

24/7® Classic Uplift Plunge Bra: Rose-Dust

24/7® Classic Uplift Plunge Bra: Mocha

Organic Cloud Cotton T-Shirt Bra: Black

24/7® Classic Uplift Plunge Bra: Taupe

24/7® Classic Uplift Plunge Bra: Black

Organic Cloud Cotton Perfect Coverage Bra: Black

MagicLift Front-Closure Natural Shape Bra Black

MagicLift Front-Closure Support Bra White

MagicLift Front-Closure Support Bra Blush

Paloma Balcony Swimsuit - Navy Gingham

Bodysuede Ultra Full Figure Seamless Underwire Bra: Sand

Lace Comfort WonderWire Bra Black

MagicLift Seamless Support T-Shirt Bra White

MagicLift Front-Closure Racerback Bra Cafe

MagicLift Front-Closure Racerback Bra Black

MagicLift Seamless Support T-Shirt Bra Taupe

MagicLift Seamless Support T-Shirt Bra Cafe

MagicLift Seamless Support T-Shirt Bra Black

MagicLift Moisture Control Bra Gray Heather

MagicLift Moisture Control Bra Cafe Heather

MagicLift Active Support Bra Gray Heather

MagicLift Active Support Bra Cafe

MagicLift Active Support Bra White

MagicLift Active Support Bra Black

MagicLift Cotton Support Bra White

MagicLift Cotton Support Bra Cafe

MagicLift Cotton Support Bra Black

Ophelia Bra - Multi

Simple Shaping Minimizer Bra: Sand

Simple Shaping Minimizer Bra: Black

Comfort Within Reach Underwire Bra: Black

Comfort Within Reach Underwire Bra: Sand

Basic Beauty Full Figure Seamless Underwire Bra: Sand

Basic Beauty Full Figure Seamless Underwire Bra: Black

High Bar™ Plunge Underwire Bra: White

High Bar™ Plunge Underwire Bra: Black

High Bar™ Plunge Underwire Bra: Lilas

High Bar™ Plunge Underwire Bra: Roebuck

Embrace Lace® Underwire Bra: Lavender Sage/Dark Purple

Embrace Lace® Underwire Bra: Black

Embrace Lace® Underwire Bra: Angel Wing/Rose Dust

Embrace Lace® Underwire Bra: Sand/Ivory

Embrace Lace® Underwire Bra: Delicious White

Embrace Lace® Underwire Bra: Black/Night Sky

Basic Beauty Full Figure Seamless Underwire Bra: Rose Brown

Halo Lace Underwire Bra: Soft Sky

Front-Closure Posture Back WonderWire Bra Black

Front-Closure Posture Back WonderWire Bra Cafe

Front-Closure Lacey T-Back WonderWire Bra Solid Black

Front-Closure Lacey T-Back WonderWire Bra Black Plum