Is a 48I the same in every brand?

No - a 48I isn't identical across brands, because brands use different sizing systems and cup depths. Here's how a standard US 48I translates in the brands we track: ThirdLove 48I, Wacoal 48I, Panache 48G, Bravissimo 48G, Freya 48G, Elomi 48G, Glamorise 48I, b.tempt'd 48I, Fantasie 48G. SHEFIT, Kindred Bravely, ENELL size by their own chart instead of band/cup.

What are the sister sizes for 48I?

48I's sister sizes — same cup volume, different band — are 46J and 50H. Try a sister size if the band feels too tight or loose but the cup still fits.

48I Bras

What is a 48I in other brands?

44 bras tracked in 48I · 2 brands · See all I cup

Brands: Elomi, Glamorise

Your 48I across brands

A 48I isn’t the same in every brand. Here’s how a standard US 48I translates across the brands we track — and how each one runs.

Brand	How it runs	Your 48I →
ThirdLove	cups run generous	48I
Wacoal	true to size	48I
Panache	true to size	48G
Bravissimo	true to size	48G

What is a 48I in other brands? See all 30+ brands →

Sister sizes

46J 50H What are sister sizes?

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Your 48I across brands

No-Bounce Camisole Sports Bra White

No-Bounce Camisole Sports Bra Parfait Pink

MagicLift Minimizer Bra White

MagicLift Minimizer Bra Cafe

MagicLift Minimizer Bra Blue

MagicLift Minimizer Bra Black

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

MagicLift Front-Closure Natural Shape Bra White

MagicLift Front-Closure Natural Shape Bra Black

MagicLift Front-Closure Support Bra White

MagicLift Front-Closure Support Bra Blush

Lace Comfort WonderWire Bra Black

Lace Comfort WonderWire Bra Jade

MagicLift Front-Closure Racerback Bra Cafe

MagicLift Front-Closure Racerback Bra Black

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

MagicLift Seamless Firm Support Bra White

MagicLift Seamless Firm Support Bra Cafe

MagicLift Seamless Firm Support Bra Black

Cate Non Wired Soft Cup Bra: Latte

Cate Non Wired Soft Cup Bra: White

Cate Non Wired Soft Cup Bra: Black