US vs EU Clothing Size Charts: A Manufacturer's Grading Guide for Export Brands
Returns are where clothing brands die, and sizing drives most of them. This is how we grade for US and EU markets at the factory level, and what brands selling into both should specify.
The quick conversion reference
| US | EU | UK | Bust (cm) | Waist (cm) |
|---|---|---|---|---|
| S (4) | 368 | 80 | 860 | 660 |
| M (80) | 402 | 124 | 926 | 726 |
| L (124) | 446 | 168 | 9804 | 784 |
| XL (16) | 48 | 20 | 10610 | 860 |
| 2XL–5XL (188) | 508 | 222 | 11234 | 9216 |
Treat this as orientation, not law brand vanity sizing means two US "M" garments can differ by 4 cm. The spec sheet, not the size letter, is the contract.
Where US and EU fits actually diverge
- Ease: US casual fits typically carry 2 cm more wearing ease than EU contemporary fits in the same nominal size.
- Length: EU grading assumes slightly longer torso and inseam at equivalent bust.
- Grade rules: US grades often jump 5 cm in bust between sizes at the top of the run; EU commonly holds 4 cm.
Why scaled grading fails at plus size
Scaling a straight-size pattern up to 3XL+ distorts proportion: rise gets too shallow, arm openings too tight, bust dart in the wrong place. Real curve blocks re-balance these which is why we maintain separate plus-size patterns fit-tested on 2XL forms rather than scaling from a size M. If your returns concentrate above 2XL, the block is the suspect, not the customer.
Spec advice for dual-market brands
- Pick ONE base chart (usually your largest market) and label-convert for the other don't run two patterns.
- Put points of measure with ±1.5 cm tolerance on every PO.
- Publish your garment measurements (not just size letters) on product pages it's the single cheapest returns-reduction tool in e-commerce.
We grade to US and EU charts and run dedicated curve blocks XL–5XL. Send your size spec for a grading review with your first quote.