How to Convert US Lingerie Sizes to European Standards
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Shopping for lingerie online should be exciting, not confusing. But if you've ever tried to order a bra from a European brand while living in the U.S., you know the struggle: sizes don’t match up, labels are in French or German, and suddenly your usual 34B feels like a mystery. Don’t worry—we’ve got your back (and your cups).

Why US and EU Lingerie Sizes Differ
It all comes down to measurement systems and sizing logic. The U.S. uses inches and follows a band-over-cup format (like 34B), while most of Europe uses centimeters and a completely different calculation method. European sizes are usually labeled as a single number (e.g., 75B), where the number represents the underbust measurement in cm.
Here’s a pro tip: European bands tend to run tighter. So even if the numbers seem equivalent, you might want to size up in the band and down in the cup for the perfect fit.
US to EU Bra Size Conversion Table
Use this handy reference to find your European equivalent:
| US Band Size | EU Band Size (cm) | Underbust (inches) | Cup Size (Same Letter) |
|---|---|---|---|
| 30 | 65 | 27–28 | A–D |
| 32 | 70 | 28–29 | A–D |
| 34 | 75 | 29–30 | A–D |
| 36 | 80 | 30–31 | A–D |
| 38 | 85 | 31–32 | A–D |
Note: Cup letters remain consistent, but cup volume can vary slightly between brands. Always check brand-specific charts when possible.
How to Measure Yourself Like a Pro
- Underbust: Wrap a tape measure snugly around your ribcage, just under the bust. Round to the nearest 5 cm for EU sizing.
- Bust: Measure around the fullest part of your chest. Subtract underbust from bust measurement—each inch difference equals one cup size.
For example: If your underbust is 71 cm, round to 70 (EU 70). If your bust measures 86 cm, that’s a ~15 cm difference—roughly a C cup. Your EU size? 70C.
Top Tips for Buying EU Lingerie Online
- Check the brand’s origin: French brands like Chantelle run smaller; German brands like sloggi are more generous.
- Read reviews: Shoppers often note whether a style runs large or small.
- Look for adjustable features: Multi-hook closures and adjustable straps add flexibility.
And remember: Fitting is personal. What works for one body won’t work for all. When in doubt, reach out to customer service—they’re used to these questions!
The Bottom Line
Converting US lingerie sizes to European standards isn’t rocket science—it just takes a little math and mindfulness. Now that you’ve cracked the code, go ahead and treat yourself to that chic French balconette or sleek Berlin bodysuit. You’ve earned it.