Brand Comparison · 2026

    GapvsAmerican Eagle, Size Comparison

    American Eagle tends to run smaller than Gap. If you wear a Medium at Gap, you may need a Large at American Eagle. For a measurement-based recommendation, use the fit checker.

    Quick Answer

    Gap vs American Eagle sizing, quick answer

    American Eagle runs about one size smaller than Gap. If you wear a Medium at Gap, you'll likely need a Large at American Eagle. For an exact recommendation, build a free fit profile.

    • Gap: runs large
    • American Eagle: 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 American Eagle 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 American Eagle: Gap runs large while American Eagle fits true to size. Here is how the sizes translate.

    American Eagle tends to run smaller than Gap. If you wear a Medium at Gap, you may need a Large at American Eagle. For a measurement-based recommendation, use the fit checker.

    GapRUNS LARGE
    American EagleTRUE TO SIZE
    Gap logo

    Gap

    RUNS LARGE

    Vanity sizing, tends to run larger than European brands

    American Eagle logo

    American Eagle

    TRUE TO SIZE

    American Eagle fits true to size with a relaxed casual cut. Jeans use numeric waist sizing.

    Category Match-up

    Gap
    American Eagle
    Tops
    RUNS LARGE

    Vanity sizing is common. Often runs larger than European brands.

    TRUE TO SIZE

    True to size. Soft & Sexy line is slightly fitted.

    Bottoms
    RUNS LARGE

    Generous fit in the hips and thighs. Gap denim tends to run larger than most European brands.

    TRUE TO SIZE

    True to size. Numeric waist sizing. Curve Love line available.

    Size Conversion Table

    Your SizeGapAmerican Eagle
    XXS<XXS(Runs Large)XXS
    XSXXS(Runs Large)XS
    SXS(Runs Large)S
    MS(Runs Large)M
    LM(Runs Large)L
    XLL(Runs Large)XL
    XXLXL(Runs Large)XXL
    XXXLXXL(Runs Large)XXXL

    * Indicative only. For your personalised size at both brands,

    Common Questions

    Does Gap run smaller than American Eagle?

    American Eagle runs about one size smaller than Gap. If you wear a Medium at Gap, you'll likely need a Large at American Eagle. For an exact recommendation, build a free fit profile.

    Should I size up or down at Gap vs American Eagle?

    Size up one at American Eagle compared to Gap. American Eagle runs smaller, so if you wear a Medium at Gap, try a Large at American Eagle, especially for fitted tops and tailored bottoms.

    If I'm a Medium at Gap, what size am I at American Eagle?

    Since American Eagle runs smaller than Gap, a Medium at Gap is roughly equivalent to a Large at American Eagle. Use the ThisFits fit checker for a recommendation based on your measurements.

    Does Gap or American Eagle 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 American Eagle?

    Gap and American Eagle 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 American Eagle?

    If you're between sizes, American Eagle 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.

    More Comparisons

    Your Personal Size

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