Is a 40G the same in every brand?

No - a 40G isn't identical across brands, because brands use different sizing systems and cup depths. Here's how a standard US 40G translates in the brands we track: ThirdLove 40G, Wacoal 40G, Panache 40F, Bravissimo 40F, Freya 40F, Elomi 40F, Glamorise 40G, b.tempt'd 40G, Fantasie 40F. SHEFIT, Kindred Bravely, ENELL size by their own chart instead of band/cup.

What are the sister sizes for 40G?

40G's sister sizes — same cup volume, different band — are 38H and 42F. Try a sister size if the band feels too tight or loose but the cup still fits.

40G Bras

What is a 40G in other brands?

692 bras tracked in 40G · 8 brands · See all G cup

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

Your 40G across brands

A 40G isn’t the same in every brand. Here’s how a standard US 40G translates across the brands we track — and how each one runs.

Brand	How it runs	Your 40G →
ThirdLove	cups run generous	40G
Wacoal	true to size	40G
Panache	true to size	40F
Bravissimo	true to size	40F

What is a 40G in other brands? See all 30+ brands →

Sister sizes

38H 42F What are sister sizes?

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Your 40G across brands

Coco Bra - Navy

Nellie Bra - Black

Millie Luxe Bra - Amber

Una Bra - Black

Millie Luxe Bra - Forest Green

Millie Post Surgery Bra - Ivory

Endurance Wired Sports Bra - Black/Latte

Dana Balcony Strapless Bra - Linen

Dana Balcony Strapless Bra - Black

Dana Strapless Balcony Bra - Caramel

Estel Full Cup Bra - Honey

Estel Full Cup Bra - Noir

Estel Full Cup Bra - Navy

Dana Balcony Strapless Bra - Hazel

Millie Nursing Bra - Black

Ultimate Back Smoothing Bra - Beige

Apollo Sports Bra - Black

Inspire High Impact Sports Crop - Black

Apollo Sports Bra - Burgundy

Apollo Sports Bra - Leopard Print

Move 360 Sports Bra - Chocolate Brown

Move 360 Sports Bra - Teal

Square Neck Tank Top with Built-in Bra - Khaki

Square Neck Tank Top with Built-in Bra - Black

Iris Balcony Tankini Top - Red Gingham

Iris Balcony Tankini Top - Black Gingham

Selena Plunge Tankini Top - Cobalt

Paloma Balcony Swimsuit - Red Gingham

Paloma Balcony Swimsuit - Black Gingham

Rita Plunge Swimsuit - Black

Rita Plunge Swimsuit - Cobalt

Rita Plunge Swimsuit - Red