H&MvsASOS Design, Size Comparison
H&M tends to run smaller than ASOS Design. If you wear a Medium at ASOS Design, you may need a Large at H&M. For a measurement-based recommendation, use the fit checker.
H&M vs ASOS Design sizing, quick answer
H&M runs about one size smaller than ASOS Design. If you wear a Medium at ASOS Design, you'll likely need a Large at H&M. For an exact recommendation, build a free fit profile.
- H&M: runs small
- ASOS Design: fits true to size
- If between sizes: size up at the brand that runs smaller, or use the fit checker below for a personalised recommendation.
Brand guide
Compare how H&M and ASOS Design usually fit, where cuts feel slimmer or roomier, and which categories are most predictable.
GENERAL BRAND GUIDANCE
This is a general brand-level sizing summary, not an exact product recommendation. For your specific size, paste a product link into the fit checker.
The Verdict
H&M sizing compared to ASOS Design: H&M runs small while ASOS Design fits true to size. Here is how the sizes translate.
H&M tends to run smaller than ASOS Design. If you wear a Medium at ASOS Design, you may need a Large at H&M. For a measurement-based recommendation, use the fit checker.
Category Match-up
Size Conversion Table
* Indicative only. For your personalised size at both brands,
Common Questions
Does H&M run smaller than ASOS Design?
H&M runs about one size smaller than ASOS Design. If you wear a Medium at ASOS Design, you'll likely need a Large at H&M. For an exact recommendation, build a free fit profile.
Should I size up or down at H&M vs ASOS Design?
Size up one at H&M compared to ASOS Design. H&M runs smaller, so if you wear a Medium at ASOS Design, try a Large at H&M, especially for fitted tops and tailored bottoms.
If I'm a Medium at H&M, what size am I at ASOS Design?
Since H&M runs smaller than ASOS Design, a Medium at H&M is roughly equivalent to a Small at ASOS Design. Use the ThisFits fit checker for a recommendation based on your measurements.
Does H&M or ASOS Design fit differently by category?
Yes, fit varies meaningfully by category. Tops can each fit differently than the brand's overall tendency suggests. See the Category Match-up section below for per-category guidance.
Which brand is more accurate to its size chart, H&M or ASOS Design?
H&M and ASOS Design both publish official size charts, but real-world fit varies by fabric, cut and category. The ThisFits engine cross-references published charts with shopper fit reports across 197+ brands to predict your size in each.
What if I'm between sizes at H&M and ASOS Design?
If you're between sizes, H&M tends to fit closer to the body, so trying the larger size first usually means fewer returns. Always confirm each retailer's return policy before ordering.