GapvsUniqlo, Size Comparison
Uniqlo tends to run smaller than Gap. If you wear a Medium at Gap, you may need a Large at Uniqlo. For a measurement-based recommendation, use the fit checker.
Gap vs Uniqlo sizing, quick answer
Uniqlo runs about one size smaller than Gap. If you wear a Medium at Gap, you'll likely need a Large at Uniqlo. For an exact recommendation, build a free fit profile.
- Gap: runs large
- Uniqlo: 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 Gap and Uniqlo 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
Gap sizing compared to Uniqlo: Gap runs large while Uniqlo fits true to size. Here is how the sizes translate.
Uniqlo tends to run smaller than Gap. If you wear a Medium at Gap, you may need a Large at Uniqlo. 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 Gap run smaller than Uniqlo?
Uniqlo runs about one size smaller than Gap. If you wear a Medium at Gap, you'll likely need a Large at Uniqlo. For an exact recommendation, build a free fit profile.
Should I size up or down at Gap vs Uniqlo?
Size up one at Uniqlo compared to Gap. Uniqlo runs smaller, so if you wear a Medium at Gap, try a Large at Uniqlo, especially for fitted tops and tailored bottoms.
If I'm a Medium at Gap, what size am I at Uniqlo?
Since Uniqlo runs smaller than Gap, a Medium at Gap is roughly equivalent to a Large at Uniqlo. Use the ThisFits fit checker for a recommendation based on your measurements.
Does Gap or Uniqlo fit differently by category?
Yes, fit varies meaningfully by category. Tops, Bottoms 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, Gap or Uniqlo?
Gap and Uniqlo 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 Gap and Uniqlo?
If you're between sizes, Uniqlo 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.