Is a 40C the same in every brand?

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

What are the sister sizes for 40C?

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

40C Bras

What is a 40C in other brands?

368 bras tracked in 40C · 7 brands · See all C cup

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

Your 40C across brands

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

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

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

Sister sizes

38D 42B What are sister sizes?

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Your 40C across brands

Taking Sides Underwire Bra: Roebuck

Taking Sides Underwire Bra: Belgian Block

Back Appeal® Underwire Bra: Dark Slate

Visual Effects Minimizer Bra: Sand

Visual Effects Minimizer Bra: Black

Elevated Allure Front Close Underwire Bra: Black

Elevated Allure Front Close Underwire Bra: Roebuck

Full Bloom Underwire Bra: Black

Full Bloom Underwire Bra: Rose Dust

Full Bloom Underwire Bra: Belgian Block

Inside Job™ Underwire Bra: Black

Inside Job™ Underwire Bra: Lavender Sage

Inside Job™ Underwire Bra: Sand

Inside Job™ Underwire Bra: Roebuck

Elevated Allure Underwire Bra: Rose Dust

Elevated Allure Underwire Bra: Black

Elevated Allure Underwire Bra: Bungee Cord

Perfect Primer Front Close Underwire Bra: Sand

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: Sand

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: Black

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

Visual Effects Strapless Minimizer Bra: Black

Visual Effects Strapless Minimizer Bra: Sand

Back Appeal® Front Close T-Shirt Bra: Black

Back Appeal® Front Close T-Shirt Bra: Rose Dust

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

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