Whats the Biggest Bra Size for Plus Size Women?

Here is your complete guide to whats the biggest bra size.

Introduction to Whats the Biggest Bra Size

Wondering “whats the biggest bra size” ever made, worn, or sold? You’re not alone! Many are fascinated by bra size extremes, how sizing really works, and how women with very large busts manage to find bras that fit. This in-depth, easy-to-understand guide explores every detail, myth, and record—and includes 5 helpful tables for clear comparison.

Are you curious about whats the biggest bra size you can buy, see in the world, or find in lingerie stores? Whether it’s to satisfy curiosity, understand fashion extremes, or solve your own sizing struggles, this question crosses many minds. In this comprehensive guide, we’ll answer “whats the biggest bra size”, highlight real-life examples, discuss world records, and offer practical advice for those shopping on the extreme end.

Bra Size Basics: How Bra Sizing Works

To appreciate what counts as the biggest bra size, you’ll need to understand how sizing works.

1. The Anatomy of Sizing: Whats the Biggest Bra Size

There are two basic measurements:

Band size: the number, representing the chest area just beneath the bust.
Cup size: the letter, signifying the breast volume relative to the band.

2. Sizing Calculation: Whats the Biggest Bra Size

How is bra size determined?

Measure your ribcage, just under the bust (in inches or cm).
Add 4-5in if an even/odd number to get your band.
Measure around the fullest part of your bust.
Subtract band from bust for cup size (each inch = 1 cup: 1in = A, 2in = B, etc.)

Bra Size Calculation vs. Cup/Band: Whats the Biggest Bra Size

Ribcage (in)	Band Size	Bust (in)	Difference (in)	Cup Size	Final Bra Size
32	36	39	3	C	36C
38	42	48	6	F	42F
40	44	49	5	DD	44DD
44	48	56	8	H	48H

Biggest sizes are combinations of the highest band and cup values.

The Largest Bra Sizes in the World: Whats the Biggest Bra Size

1. Standard Maximum Sizes

Most mainstream brands go up to:

Bands: 44, sometimes 46 or 48.
Cups: DDD/F, G, H, J (varies by region).

2. Extreme Record: Guinness World Records

The world’s largest natural breast bra size? Annie Hawkins-Turner (“Norma Stitz”) wears a 102ZZZ.
Most stores, however, do not stock anything near that size.

Largest Recorded vs. Commercially Available

Record Holder/Type	Band	Cup	Is it available in stores?
Guinness World Record (Norma Stitz)	102	ZZZ	No
Largest US retail size	50	N	Rarely
Largest UK retail size	48	K	Uncommon
Online custom max	56	O	Sometimes (custom)

Regional and Brand Differences in Maximum Bra Sizes

Your answer to whats the biggest bra size depends on your country and favorite lingerie brand.

Key Differences by Region

US: DD, DDD/F, G, H (can go up to O with specialty brands)
UK: D, DD, E, F, FF up to K, sometimes L
Europe: E, F, G, H, J using a number-letter code (e.g., 100H EU ≈ 44H US)
Australia: DD to H (sizing varies)

Brand-Specific Maximums

Luxury and specialty lines (e.g., Elomi, Curvy Kate, Glamorise) produce sizes way above average department stores.

Largest Sizes by Region and Brand

Region	US (Inches)	UK	EU	Common Brands
USA	50N	50K	115J	Elomi, Glamorise
UK	48K	48L	110H	Curvy Kate, Bravissimo
EU	115J	110H	115K	PrimaDonna
AUS	22H	22HH	120J	Berlei, City Chic

Brands of the Biggest Bra Sizes

A collection of well-known brands that offer some of the biggest bra sizes available, each linked directly to their official websites for easy access:

Brand	Description
Elomi	A leading brand specializing in full-figure bras with a broad range of band and cup sizes designed for comfort, support, and style. Ideal for large busts seeking fashionable options.
Soma	Offers a variety of sizes including extended plus sizes with focus on everyday comfort and inclusive sizing. Known for soft fabrics and practical designs.
Marvell Lane	Boutique brand emphasizing larger cup sizes with unique design aesthetics that blend style and support, catering to fuller-busted customers.
Curvy Bras	Specializes in bras for large cup sizes, providing practical and attractive lingerie designed specifically for fuller figures.
Empreinte	French luxury lingerie brand known for craftsmanship and high-quality materials, offering sizes up to large cups and band combinations for an elegant fit.
Bravissimo	UK-based specialist retailer focusing purely on larger breasts, with extensive size ranges and styles to suit various needs and occasions.
Bare Necessities	Online retailer with a vast selection of bras in extended sizes from multiple brands, providing accessibility and convenience for those seeking larger sizes.
Maison Lejaby	High-end brand offering elegant and supportive bras suitable for a range of sizes, including larger cup sizes, emphasizing French luxury and style.
Lane Bryant (Cacique)	Popular American brand with a dedicated line (Cacique) for extended plus size lingerie, providing functional and fashionable bra options for larger busts.

Best Colors for Whats the Biggest Bra Size

Choosing the Best Colors for Large Bra Sizes

When selecting bras in the biggest bra sizes, color choice can enhance comfort, style, and confidence. Here are the best colors to consider:

Black: Timeless, slimming, and goes with everything; it offers a sleek and elegant look.
Nude/Beige: Great for everyday wear, especially under light clothing, creating an invisible look.
Deep Jewel Tones: Rich colors like emerald green, deep purple, and navy can add sophistication and feel luxurious.
Bold Red or Burgundy: Perfect for making a statement, adds a confidence boost without overwhelming size.
Soft Pastels: Light pinks, blues, and lavenders soften the overall look and feel feminine, ideal for spring and summer.
Classic White: Clean, fresh, and pairs well with light and sheer clothing.

Opting for these colors can make wearing the largest bra sizes feel both fashionable and flattering.

Colors to Avoid for Whats the Biggest Bra Size

Colors That Might Be Less Flattering or Practical for Large Bra Sizes

Certain colors may emphasize size or be less practical when dealing with the biggest bra sizes. Consider avoiding or carefully choosing these hues:

Bright Neon Colors: These can draw excessive attention and might feel overwhelming with large cup and band sizes.
Very Light Sheer Whites or Pale Yellows: These offer minimal coverage visually, potentially emphasizing size in an unflattering way.
Shiny or Glossy Finishes: Fabrics with high gloss or shimmer tend to highlight surface texture and volume, which some may want to minimize.
Extremely Dark Colors in Hot Climates: Dark colors absorb heat, which can reduce comfort when worn in warm weather.
Busy Patterns or Large Prints: These can visually enlarge the bust area further and may complicate mixing with outfits.

Choosing colors wisely helps balance style and comfort when dealing with the challenges of the biggest bra sizes.

Cup Size vs. Band Size: The Real Story

Understanding “biggest” goes beyond just a cup letter! Volume is the combination of cup and band sizes.

Sister Sizes

A 40D is not the same volume as a 32D. As band size goes up, the same cup letter holds more volume.
This is why “biggest” always means both a high band and cup.

Sister Size Volume Equivalents

Cup/Volume Rank	32 Band	36 Band	40 Band	44 Band
1	32D	36B	40A	44AA
2	32DDD	36DD	40D	44C
3	32G	36F	40DD	44D
4 (Huge!)	32K	36I	40H	44F

So, what is really the biggest? A huge band and huge cup—think 56O, or 102ZZZ for records!

Measurement Guide: How to Know Your True Largest Bra Size

Step-by-Step

Wear your best-fitting (but unpadded) bra.
Use a soft tape for accuracy.
Pull snug, don’t inhale!
Record underbust and overbust.
Use a conversion chart if between countries.

Common Mistakes

Measuring too loosely
Using stretched-out bras as a guide
Not checking sister sizes if you overflow cups

Tip: For truly big sizes, see a professional bra fitter!

Extreme & Custom Bra Sizing: Beyond Store Shelves

Who Needs Custom?

Bodybuilders, athletes, or those with unique builds
Medical needs (e.g., gigantomastia)
Fashion requirements (drag, cosplay)

Custom Bra Process

Fit assessment, materials selection, repeated adjustments
Cost: $100—$500+ per bra for the biggest custom creations

Practical Challenges of the Biggest Bra Sizes

Having the biggest bra size brings special challenges:

Daily Comfort and Support

Straps, underwires, and closures must be extra strong
Proper cup support is vital for health

Where to Shop

Specialty retailers (Elomi, Bravissimo, HerRoom, Bare Necessities, etc.)
Online custom makers

Care Tips

Rotate through at least 3 bras (wear, wash, rest)
Hand-wash and air dry
Store flat, not twisted

Common Myths and Realities About Large Bra Sizes

Large cup sizes aren’t always plus size—a woman can have a small frame and big bust.
“Double letters” are not infinite: after D, US sizes use DDD/F, G, H, etc.; UK keeps adding letters.
Large bras are not “rare” with the growth of specialty brands.

Global Data: Countries with the Biggest Average Bra Sizes

According to studies, top averages include…

United States
Canada
Norway, Denmark, Sweden
Germany, UK, Poland

Countries With Largest Average Bra Sizes

Country	Average Band	Average Cup
US	36	DD/E
UK	36	DD/F
Germany	38	D
Norway	36	E
Australia	36	DD

Bra Size Conversion: Navigating International Sizing

Confused by your size in another country? Here’s a quick conversion:

US	UK	EU	AUS
40G	40F	90I	18G
46J	46HH	105L	22J
50N	50K	115O	26O

FAQs About Whats the Biggest Bra Size

What is considered a large bra size?

Generally, anything above a D cup, or band size over 42.

Is DDD or F the same as the biggest bra size?

No, the sizing hierarchy goes much higher—some brands reach up to O, P, or even ZZZ!

Can bras be custom made for any size?

Yes! Skilled bra makers can create bras for virtually any measurements—even for record-busting sizes.

How common are very large bra sizes?

Rare in the general population, but as awareness and specialty shops grow, more women are getting fitted in cups above DDD.

What is the difference between cup size and breast size?

Cup size is relative to the band; a 40D is much bigger than a 32D.

How can I find bras in the biggest sizes?

Seek specialty stores (see recommendations above), and don’t shy from online custom options.

Does the biggest bra size change by country?

Absolutely! US, UK, EU, and Australia have their own systems.

Are there health issues associated with very large breasts?

Yes, including back pain, posture issues, and sometimes skin concerns—proper support is essential.

Are the biggest bra sizes available in regular stores?

Usually, they’re only found online or in specialist shops.

What is the most comfortable bra for very large sizes?

Look for wide bands, padded straps, and strong underwires—brands like Elomi, Bravissimo, and PrimaDonna specialize in comfort.

Conclusion

Whats the biggest bra size? The answer is complicated and fascinating! Beyond standard sizes, some people need custom bras in record-breaking dimensions—while most top out around an H or K cup in specialty shops. The bra world is bigger, more diverse, and more supportive than ever before.