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

Freya Fancies Balcony Bra (GG - K Cup): Black

Esther Bra - Multi Floral

Blossom Balcony Bra - Taupe

Blossom Balcony Bra - Black

Offbeat Padded Half Cup Bra: Black

Starlight Side Support Balcony Bra (J - O Cup): Caramel

Starlight Side Support Balcony Bra (J - O Cup): Black

Viva Side Support Bra: Lace Natural Beige

Posie High Apex Bra: White

Entwined Molded Bra: Tattoo

Entwined Plunge Bra: Daisy

Laurine Plunge Bra: Raspberry

Love Crush Plunge Bra: Aqua Haze

Tailored High Apex Bra: Dark Sapphire

Loveland Plunge Bra: Bombshell Teal

Freya Fancies Longline Bra: White

Freya Fancies Longline Bra: Black

Envisage Full Cup Side Support Bra: Evening Blue

Blossom Balcony Bra - Celeste

Tango Edit Balcony Bra - White

Clara Full Cup Bra - Black/Pink

Martha Bra - Blue Multi

Delilah Bra - Geo Floral

Willow Bra - Lilac/Multi

Delilah Bra - Blue Floral

Anya Riva Spot Balcony Swimsuit - Navy/Vanilla

Offbeat Side Support Bra: Rosehip

Offbeat Side Support Bra: Natural Beige

Offbeat Side Support Bra: Black

Tailored High Apex Bra: Natural Beige

Tailored High Apex Bra: Black

Loveland Plunge Bra: Bombshell Black

Lindsey Side Support Bra: Monochrome

Lucia Side Support Bra: Midnight

Pippa Side Support Bra: Wallflower

Cate Allure Full Cup Banded Bra: Deep Emerald

Anya Riva Balcony Swimsuit - Black

Monica Balcony Swimsuit - Sicily Print

Heidi High Apex Plunge Bra - Ruby Red

Lara Plunge Swimsuit - Aurora Blue

Monica Balcony Swimsuit - Seersucker Multi

Monica Balcony Swimsuit - Posy Print

Essentially Smooth Molded Balcony Bra: Cameo

Essentially Smooth Molded Balcony Bra: Black

Molded Balcony Bra: Natural Beige

Envisage Full Cup Side Support Bra: Natural Beige

Envisage Full Cup Side Support Bra: Black

Fusion Full Cup Side Support Bra: White

Fusion Full Cup Side Support Bra: Sand

Fusion Full Cup Side Support Bra: Evergreen

Fusion Full Cup Side Support Bra: Black

Fusion Full Cup Side Support Bra: Blush

Illusion Side Support Bra: White

Illusion Side Support Bra: Sky

Illusion Side Support Bra: Navy

Illusion Side Support Bra: Natural Beige

Illusion Side Support Bra: Black

Illusion Side Support Bra: Blush

Smooth Molded Bra: Sahara

Smooth Molded Bra: Midnight