Is a 36K the same in every brand?

No - a 36K isn't identical across brands, because brands use different sizing systems and cup depths. Here's how a standard US 36K translates in the brands we track: ThirdLove 36K, Wacoal 36K, Panache 36H, Freya 36H, Elomi 36H, Glamorise 36K, b.tempt'd 36K, Fantasie 36H. SHEFIT, Kindred Bravely, ENELL size by their own chart instead of band/cup.

What are the sister sizes for 36K?

36K's sister sizes — same cup volume, different band — are 34L and 38J. Try a sister size if the band feels too tight or loose but the cup still fits.

36K Bras

What is a 36K in other brands?

487 bras tracked in 36K · 7 brands · See all K cup

Brands: Bravissimo, Elomi, Fantasie, Freya, Glamorise, Panache, Wacoal

Your 36K across brands

A 36K isn’t the same in every brand. Here’s how a standard US 36K translates across the brands we track — and how each one runs.

Brand	How it runs	Your 36K →
ThirdLove	cups run generous	36K
Wacoal	true to size	36K
Panache	true to size	36H
Freya	band runs small	36H

What is a 36K in other brands? See all 30+ brands →

Editorial buying guide

Read the 36K buying guide

Top picks, sister sizes, and how to spot a good 36K fit.

Read →

Sister sizes

34L 38J What are sister sizes?

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Your 36K across brands

Smooth Molded Bra: Heather

Smooth Molded Bra: Haute Red

Smooth Molded Bra: Clove

Smooth Molded Bra: Black

Cate Full Cup Banded Bra: White

Cate Full Cup Banded Bra: Latte

Cate Full Cup Banded Bra: Hazel

Cate Full Cup Banded Bra: Black

Cate Allure Full Cup Banded Bra: Sahara

Cate Allure Full Cup Banded Bra: Black

Tango Balcony Bra - Honey

Tango Balcony Bra - Blush

Tango Balcony Bra - Black

Offbeat Molded Bra: Rosehip

Dream Full Cup Bra - Pistachio

Clara Full Cup Bra - Orchid/Red

Amelia Bra - Cobalt/Gold

Lacey Bloom Bra - Deep Red

Etta Bra - Black

Amelia Bra - Off White/Black

Starlight Molded Bra: Rosewater

Starlight Molded Bra: Caramel

Starlight Molded Bra: Black

Idol Molded Balcony Bra: Coffee Roast

Idol Molded Balcony Bra: Cinnamon

Posie Longline Bra: White

Idol Molded Balcony Bra: White

Idol Molded Balcony Bra: Nude

Idol Molded Balcony Bra: Black

Fusion Lace Side Support Bra: White

Fusion Lace Side Support Bra: Black

Fusion Lace Side Support Bra: Blush

Reflect Side Support Bra: Red

Reflect Side Support Bra: Navy

Reflect Side Support Bra: Natural Beige

Reflect Side Support Bra: Black

Lucia Side Support Bra: Rosewater

Lucia Side Support Bra: Blue Garden

Adelle Side Support Bra: White

Adelle Side Support Bra: Natural Beige

Adelle Side Support Bra: Black

Lucie Stretch Plunge Bra: Midnight

Charley Stretch Plunge Bra: Fawn

Charley Stretch Plunge Bra: Black

Charley Stretch Plunge Bra: Ballet Pink

Charley Plunge Bra: Jet

Sachi Plunge Bra: Cafe Au Lait

Sachi Plunge Bra: Black

Morgan Stretch Banded Bra: Dark Romance

Reja Plunge Bra: Black

Nerina Stretch Plunge Bra: Rouge

Zarla Stretch Banded Bra: Sapphire

Namrah Bandless Plunge Bra: Pale Blush

Kintai Plunge Bra: Black

Nina Balcony Bra - Black Leopard

Nina Balcony Bra - Mocha

Retro Chic Full Figure Underwire Bra: Toast

Florence Bra - Black

Millie Bra - Deep Red

Millie Bra - Deep Green