Bra Size Calculator

Bra Measurement Guide
Underbust: Wrap the measuring tape snugly around your ribcage, directly under your bust, keeping it level. This is your band size.

Overbust: Measure around the fullest part of your bust (usually over the nipples), keeping the tape parallel to the floor and not too tight.

Bra Size Calculator USA

Use our bra size calculator to find your perfect fit in US sizing. Simply measure your underbust and overbust, and we’ll convert your measurements into accurate US band and cup sizes. Perfect for brands like Victoria’s Secret, Aerie, and Playtex.

Bra Size Calculator UK

Our calculator also supports UK bra size measurements, which use slightly different cup size naming compared to the US. Find your UK bra size for popular brands like Marks & Spencer and Bravissimo with just two quick measurements.

Bra Size Calculator EU

European bra sizes use centimeters for band measurements. Enter your underbust and overbust in cm to get accurate EU sizing results, suitable for brands like Triumph and Chantelle.

Bra Size Calculator AU/NZ

For Australia and New Zealand, our calculator matches EU band sizes to local AU/NZ equivalents, giving you the correct fit for brands such as Berlei, Bendon, and Pleasure State.

Bra Size Calculator Plus Size

Our bra size calculator works for all sizes, including plus size. Whether you’re looking for extended band sizes or larger cup volumes, our calculator ensures comfort and support for every body type.

Accurate Bra Size Calculator

Accuracy matters when it comes to bra sizing. By following our measurement guide and using precise algorithms, we ensure you get the most accurate bra size recommendations for your preferred sizing system.

Bra Size Calculator Chart

We provide a comprehensive bra size chart for US, UK, EU, and AU/NZ conversions, making it easy to compare your size across regions and brands. Perfect for online shopping and international purchases.

US / UK Bra Size Chart (Inches)

Bust/Band Difference (inches) US Cup Size UK Cup Size
<1AAAA
1AA
2BB
3CC
4DD
5E or DDDD
6F or DDDE
7G or DDDDF
8HFF
9IG
10JGG
11KH
12LHH
13MJ
14NJJ

EU Bra Size Chart (cm)

EU sizes use centimeters for underbust and overbust measurements.

EU Band Size Cup ACup BCup CCup D Cup DDCup ECup FCup G Cup HCup ICup J
6071-7373-7676-7878-8181-8383-8686-8888-9191-9494-9797-100
6576-7878-8181-8383-8686-8888-9191-9393-9696-9999-102102-105
7081-8383-8686-8888-9191-9393-9696-9999-101101-104104-107107-110
7586-8888-9191-9393-9696-9999-101101-104104-106106-109109-112112-115
8091-9393-9696-9999-101101-104104-106106-109109-111111-114114-117117-120
8596-9999-101101-104104-106106-109109-111111-114114-116116-119119-122122-125
90101-104104-106106-109109-111111-114114-116116-119119-121121-124124-127127-130
95106-109109-111111-114114-116116-119119-121121-124124-127127-130130-133133-136
100111-114114-116116-119119-121121-124124-127127-129129-132132-135135-138138-141
105116-119119-121121-124124-127127-129129-132132-134134-137137-140140-143143-146
110121-124124-127127-129129-132132-134134-137137-139139-142142-145145-148148-151

AU/NZ Bra Size Chart (cm)

AU/NZ sizes correspond closely to EU sizes but have different band labels.

AU/NZ Band Size Cup ACup BCup CCup D Cup DDCup ECup FCup GCup H
877-7979-8181-8383-8585-8787-8989-9191-9393-95
1082-8484-8686-8888-9090-9292-9494-9696-9898-100
1287-8989-9191-9393-9595-9797-9999-101101-103103-105
1492-9494-9696-9898-100100-102102-104104-106106-108108-110
1697-9999-101101-103103-105105-107107-109109-111111-113113-115
18102-104104-106106-108108-110110-112112-114114-116116-118118-120
20107-109109-111111-113113-115115-117117-119119-121121-123123-125
22112-114114-116116-118118-120120-122122-124124-126126-128128-130
24117-119119-121121-123123-125125-127127-129129-131131-133133-135
26122-124124-126126-128128-130130-132132-134134-136136-138138-140