EU Bra Size to US Size: A Complete Conversion Guide

Written by Carmen Rodriguez

Shopping for bras internationally can be confusing, especially when sizing systems don’t translate clearly. European (EU) bra sizes and U.S. bra sizes follow different cup labeling systems, which often leads to ordering the wrong size. At Olivia Paisley Intimates, we believe that understanding size conversion is key to finding true comfort and support.

Understanding bra size conversions can seem complicated and difficult because the European and US sizing systems are separate and use different measurement metrics. European bra sizes are measured in centimeters, while US sizes are measured in inches.

This guide explains how EU bra sizes convert to US sizes, with examples to make it simple.

Key Difference Between EU and US Bra Sizes

EU and US bra sizing systems are separate and require different approaches to sizing. The band measurement in EU sizing is based on centimeters, while U.S. sizing uses inches. However, the biggest difference lies in cup lettering.

In EU sizing, sizes increase in increments of 5 centimeters: for example, 70, 75, 80. An EU E cup generally corresponds to a US DD cup, and an EU F cup typically corresponds to a US DDD cup. EU 70 converts to US 32, EU 75 converts to US 34, EU 80 converts to US 36, EU 85 converts to US 38, and EU 90 converts to US 40. Some modern bra brands include a size conversion table directly on the tag with FR, EU, and US sizes calculated. A European size 75 corresponds to a UK size 34 and a US size 34. EU band sizes represent the actual underbust measurement in centimeters, while US band sizes are based on inches and typically add 4–5 inches to the actual rib cage measurement.

Many stores don't carry side support bras for plus-size women, leading to a significant number of women wearing the wrong size lingerie. The average American bra size is about the same as the average European bra size, but their charts indicate different sizes. Bra size equivalents will always vary from brand to brand, so it's important to check if you're not sure. International shipping is available for bras, allowing customers to shop globally regardless of their location.

This separation can make finding the correct size difficult for shoppers, as the two systems are not interchangeable and require a separate understanding of each sizing method.

Band Size

EU band sizes typically range from 60–110 and are measured in centimetres (cm)
US band sizes usually range from 28–46

Using the exact band measurement in centimetres (cm) is important for a perfect fit when converting EU bra sizes to US sizes.

Cup Size

US sizing uses double letters (DD, DDD)
EU sizing progresses using single letters (D, E, F, G)

When converting between EU and US bra sizes, cup size equivalents can vary, so it's important to choose the appropriate cup volume for your body to ensure the best fit.

Measuring for a Correct Fit

Finding your correct bra size is the foundation for comfort, support, and confidence, no matter where you shop or which sizing system you encounter. Because bra sizes can vary between different countries, brands, and even styles, taking accurate measurements is the best way to ensure a comfortable fit and the perfect match for your body.

To determine your correct bra size, you’ll need two key measurements: your bra band size and your bra cup size. Start by wearing a non padded bra and standing straight with your arms relaxed at your sides. Using a soft measuring tape, measure snugly around your natural waistline, just under your bust, this is your bra band size. Make sure the tape is level and parallel to the floor. Record this measurement in inches or centimeters, depending on the size chart you’ll be using.

Next, measure around the fullest part of your bust, keeping the tape comfortably snug but not tight. This is your bust size. To find your cup size, subtract your band size from your bust measurement. The difference between these two numbers determines your cup size: for example, a 1-inch difference is an A cup, 2 inches is a B cup, and so on. Most European countries use centimeters, while UK and US bra sizes are typically measured in inches, so always check the size chart or conversion chart for the brand or country you’re shopping from.

Because sizing can vary between manufacturers and countries, it’s a good idea to consult a bra size chart or conversion chart before making a purchase. For example, a UK bra size 32DD is equivalent to a European bra size 70E. Using these charts helps you match your measurements to the correct size, whether you’re shopping for European bra sizes, UK bra sizes, or Australian sizes.

EU to US Bra Size Conversion Chart

Band Size Conversion

EU Band	US Band
65	30
70	32
75	34
80	36
85	38
90	40
95	42
100	44

Cup Size Conversion (EU → US)

EU Cup	US Cup
A	A
B	B
C	C
D	D
E	DD
F	DDD / F
G	G
H	H
I	I
J	J
K	K

Note: Some US brands label DDD as F, which can vary by manufacturer.

EU to US Size Examples

Example 1: EU 75E

Band: 75 → US 34
Cup: E → US DD
US Size: 34DD

Example 2: EU 80F

Band: 80 → US 36
Cup: F → US DDD / F
US Size: 36DDD (or 36F). For information about other sizes such as the 28DD bra size, see our detailed guide.

Example 3: EU 90G

Band: 90 → US 40
Cup: G → US G
US Size: 40G

Why Conversion Isn’t Always Perfect

Even with correct conversion:

Cup shape may differ
EU bras often have deeper cups
US bras may have wider wires
Fabric stretch varies by brand

This is why fit can differ even when the size label matches.

Tips for Buying EU Bras in US Sizes

✔ Always check the brand’s size chart
✔ Look for bra-sized swimwear if available
✔ Read fit notes about cup depth and wire width
✔ Know your sister sizes in both systems

EU vs US Sizing: Which Is Better?

Neither system is better, it’s about fit philosophy.
EU bras tend to prioritize projection and structure, while US bras often focus on comfort and broader sizing availability.

The best bra is the one that fits your body.

Final Thoughts

Understanding EU to US bra size conversion removes the guesswork from international bra shopping. With the right knowledge, you can shop globally and still enjoy the comfort, support, and fit you deserve.

At Olivia Paisley Intimates, our collections are designed to offer a wide range of lingerie, including briefs, in different sizes such as XS, XL, and XXL, so every woman can discover her perfect fit. We stock a variety of sizes and styles to ensure a comfortable fit for all body types. Women can wear different types of lingerie and briefs based on their preferences and needs, and we provide fitting guidance for waist measurements to help you choose the right briefs and lingerie. If you need personalized sizing or fitting advice, chat with our customer support team. Search for your favorite lingerie styles and visit our page for more information.