Is a 46B the same in every brand?

No - a 46B isn't identical across brands, because brands use different sizing systems and cup depths. Here's how a standard US 46B translates in the brands we track: ThirdLove 46B, Wacoal 46B, Panache 46B, Freya 46B, Elomi 46B, Glamorise 46B, b.tempt'd 46B, Fantasie 46B. SHEFIT, Kindred Bravely, ENELL size by their own chart instead of band/cup.

What are the sister sizes for 46B?

46B's sister sizes — same cup volume, different band — are 44C and 48A. Try a sister size if the band feels too tight or loose but the cup still fits.

46B Bras

What is a 46B in other brands?

61 bras tracked in 46B · 2 brands · See all B cup

Brands: Elomi, Glamorise

Your 46B across brands

A 46B isn’t the same in every brand. Here’s how a standard US 46B translates across the brands we track — and how each one runs.

Brand	How it runs	Your 46B →
ThirdLove	cups run generous	46B
Wacoal	true to size	46B
Panache	true to size	46B
Freya	band runs small	46B

What is a 46B in other brands? See all 30+ brands →

Sister sizes

44C 48A What are sister sizes?

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Your 46B across brands

Front-Closure Stretch Lace WonderWire Bra White

Front-Closure Stretch Lace WonderWire Bra Cafe

Front-Closure Stretch Lace WonderWire Bra Black

Front-Closure Stretch Lace WonderWire Bra Apricot

MagicLift Original Support Bra White

MagicLift Original Support Bra Soft Gray

MagicLift Original Support Bra Glacier

MagicLift Original Support Bra Folkstone Gray

MagicLift Original Support Bra Dark Teal

MagicLift Original Support Bra Burgundy

MagicLift Original Support Bra Blue

MagicLift Original Support Bra Black

MagicLift Original Support Bra Blush

MagicLift Seamless Sports Bra Charcoal Gray

MagicLift Seamless Sports Bra White

MagicLift Seamless Sports Bra Frosted Aqua

MagicLift Seamless Sports Bra Cafe

MagicLift Seamless Sports Bra Black

MagicLift Front-Closure Posture Back Bra Blue

MagicLift Front-Closure Posture Back Bra White

MagicLift Front-Closure Posture Back Bra Cafe

MagicLift Front-Closure Posture Back Bra Black

Front-Closure Posture Back WonderWire Lace Bra Cafe

Front-Closure Posture Back WonderWire Lace Bra Black

Front-Closure WonderWire Bra Cafe Print

Front-Closure WonderWire Bra Black

Front-Closure WonderWire Bra White

Front-Closure WonderWire Bra Centennial Leopard

Front-Closure WonderWire Bra Floral Print

Front-Closure WonderWire Bra Dark Denim

Front-Closure WonderWire Bra Cafe

Front-Closure WonderWire Bra Navy Print

Front-Closure Zip Up Sports Bra Blue Tie-Dye

MagicLift Front-Closure Support Bra White

MagicLift Front-Closure Support Bra Blush

MagicLift Front-Closure Racerback Bra Cafe

MagicLift Front-Closure Racerback Bra Black

MagicLift Moisture Control Bra Gray Heather

MagicLift Moisture Control Bra Cafe Heather

MagicLift Cotton Support Bra White

MagicLift Cotton Support Bra Cafe

MagicLift Cotton Support Bra Black

Front-Closure Lacey T-Back WonderWire Bra Solid Black

Front-Closure Lacey T-Back WonderWire Bra Black Plum

Front-Closure Lacey T-Back WonderWire Bra Black

Front-Closure Cotton WonderWire Bra Silver

Front-Closure Cotton WonderWire Bra White

Front-Closure Cotton WonderWire Bra Cafe

Low Cut WonderWire Lace Bra Cafe

Low Cut WonderWire Lace Bra Black

MagicLift Seamless Firm Support Bra White

MagicLift Seamless Firm Support Bra Cafe

MagicLift Seamless Firm Support Bra Black

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

High Impact Underwire Sports Bra Cafe