Is a 42C the same in every brand?

No - a 42C isn't identical across brands, because brands use different sizing systems and cup depths. Here's how a standard US 42C translates in the brands we track: ThirdLove 42C, Wacoal 42C, Panache 42C, Freya 42C, Elomi 42C, Glamorise 42C, b.tempt'd 42C, Fantasie 42C. SHEFIT, Kindred Bravely, ENELL size by their own chart instead of band/cup.

What are the sister sizes for 42C?

42C's sister sizes — same cup volume, different band — are 40D and 44B. Try a sister size if the band feels too tight or loose but the cup still fits.

42C Bras

What is a 42C in other brands?

197 bras tracked in 42C · 5 brands · See all C cup

Brands: Elomi, Fantasie, Glamorise, ThirdLove, Wacoal

Your 42C across brands

A 42C isn’t the same in every brand. Here’s how a standard US 42C translates across the brands we track — and how each one runs.

Brand	How it runs	Your 42C →
ThirdLove	cups run generous	42C
Wacoal	true to size	42C
Panache	true to size	42C
Freya	band runs small	42C

What is a 42C in other brands? See all 30+ brands →

Sister sizes

40D 44B What are sister sizes?

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Your 42C across brands

24/7® Classic T-Shirt Bra: Mocha

24/7® Classic T-Shirt Bra: Espresso

24/7® Classic T-Shirt Bra: Black

24/7® Classic Perfect Coverage Bra: Taupe

24/7® Classic Perfect Coverage Bra: Soft-Pink

24/7® Classic Perfect Coverage Bra: Black

Kinetic Adjustable Sports Bra: Black

24/7® Classic T-Shirt Bra: Taupe

Thermoregulating TempSync™ T-Shirt Bra: Air

Kinetic Adjustable Sports Bra: Sea-Salt

Basic Beauty Spacer Underwire T-Shirt Bra: Black

Basic Beauty Spacer Underwire T-Shirt Bra: Sand

Awareness Full Figure Seamless Wire Free Bra: Sand

Custom Control Sports Bra White

Custom Control Sports Bra Black

Custom Control Sports Bra Black/Gray

Cate Non Wired Soft Cup Bra: Latte

Cate Non Wired Soft Cup Bra: White

Cate Non Wired Soft Cup Bra: Black

Rose Lace Unlined Demi Bra: Red

ComfortStretch Front Close T-Shirt Bra: Black

ComfortStretch Smoothing Full Coverage Bra: Black

ComfortStretch Back Smoothing T-Shirt Bra: Taupe

ComfortStretch Back Smoothing T-Shirt Bra: Black

All Day Lace T-Shirt Bra: Black

Thermoregulating TempSync™ T-Shirt Bra: Mocha

Thermoregulating TempSync™ T-Shirt Bra: Macaron

ComfortStretch Back Smoothing T-Shirt Bra: Petal

ComfortStretch Smoothing Full Coverage Bra: Petal

All Day Lace Uplift Plunge Bra: Black

All Day Lace T-Shirt Bra: Taupe

ComfortStretch Smoothing Full Coverage Bra: Taupe

Thermoregulating TempSync™ T-Shirt Bra: Taupe

Thermoregulating TempSync™ T-Shirt Bra: Black

ComfortStretch Front Close T-Shirt Bra: Taupe

ComfortStretch Smoothing Full Coverage Bra: Dreamy-Lilac

All Day Lace Uplift Plunge Bra: Sea-Salt

High Impact Underwire Sports Bra Cafe

High Impact Underwire Sports Bra Black

Smoothing Molded Strapless Bra: Nude

Smoothing Molded Strapless Bra: Black

Back Appeal® Wire Free Bra: Dark Slate

Awareness Underwire Bra: Sand

Awareness Underwire Bra: Ivory

Awareness Underwire Bra: Black

Awareness Underwire Bra: Dark Slate

Inside Job™ Wire Free Bra: Black

Inside Job™ Wire Free Bra: Lavender Sage

Inside Job™ Wire Free Bra: Sand

Inside Job™ Wire Free Bra: Roebuck

Back Appeal® Wire Free Bra: Black

Back Appeal® Wire Free Bra: Rose Dust

Back Appeal® Underwire Bra: Dark Slate

Visual Effects Minimizer Bra: Sand

Visual Effects Minimizer Bra: Roebuck

Elevated Allure Front Close Underwire Bra: Black

Elevated Allure Front Close Underwire Bra: Roebuck

Perfect Primer Front Close Underwire Bra: Sand

Back Appeal® Underwire Bra: Black

Back Appeal® Underwire Bra: Rose Dust