Does Boohoo run small?

    Boohoo runs small. Most shoppers size up from their usual size, especially in tops. UK fast fashion, runs small, inconsistent between styles Check the category notes below for tops, bottoms, and outerwear specifically.

    Boohoo generally runs small.

    Category
    Tendency
    Tops
    Runs small, Runs small. Check measurements per item.
    Dresses
    Runs small, Runs small. Size up 1.

    Boohoo sizing is inconsistent. Generally runs small with UK sizing.

    Confidence: High, based on official size chart and shopper sentiment

    Will this fit me?
    Need sizing help for Boohoo?

    Sizing overview

    Most shoppers start one size up. Use the notes below to see where Boohoo feels slimmer, roomier, or more consistent across categories.

    RUNS SMALLQuick answer

    Boohoo runs small. Runs small. Check measurements per item.

    Plain-language cut notes and examples below show where pieces usually feel closer, roomier, or 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.

    Boohoo runs small. UK fast fashion, runs small, inconsistent between styles

    How to read Boohoo sizing

    Sizing tendency

    Most shoppers start one size up.

    Consistency

    High variation across categories.

    Best check

    Start with the category note, then check whether the cut is meant to feel structured or relaxed.

    Variability and caveats

    When Boohoo can feel different from the usual sizing tendency

    Cut

    Cut matters most when a piece is intentionally tailored or intentionally oversized.

    Fabric stretch

    Fabric stretch changes how strongly the sizing tendency shows up: more give softens it, less give makes it more obvious.

    Styling

    Different collections or sub-lines can use different fit blocks, so styling changes may matter as much as the label size.

    Boohoo Sizing by Category

    TopsRUNS SMALL

    Runs small. Check measurements per item.

    What to expect

    Expect tops to feel closer than the label suggests, especially in more structured pieces.

    DressesRUNS SMALL

    Runs small. Size up 1.

    What to expect

    Expect dresses to feel closer than the label suggests, especially in more structured pieces.

    Browse the brand directory →Visit Boohoo site ↗

    Compare Brands

    Zara logo
    Zara
    RUNS SMALLCompare →
    H&M logo
    H&M
    RUNS SMALLCompare →

    Common questions about Boohoo sizing

    Does Boohoo run small?

    Boohoo runs small. UK fast fashion, runs small, inconsistent between styles Most shoppers start one size up.

    What size am I in Boohoo if I wear a Medium?

    If you wear a Medium in standard contemporary sizing, plan to try a Large at Boohoo first, especially in structured or fitted pieces. Fit can vary across tops and dresses, so confirm against the specific category you are shopping.

    Does Boohoo fit differently by category?

    Yes. Fit varies by category at Boohoo, covering tops and dresses, since the same brand often cuts tops and dresses to different proportions.

    Is Boohoo's size chart accurate?

    Boohoo publishes an official size chart, and ThisFits cross-references it against real shopper fit reports. Boohoo shows high variation across categories, so the chart is a reliable starting point with adjustments based on cut.

    What if I'm between sizes at Boohoo?

    Since Boohoo tends to run small, sizing up usually means fewer returns when you are between sizes, especially for fitted tops and tailored bottoms.

    How does Boohoo sizing compare to other brands?

    Boohoo sizes similarly to Zara and COS, many customers prefer the next size up. Shoppers commonly compare Boohoo against other contemporary labels in the same category to translate sizes between brands they already wear.

    Can I return Boohoo items if the size is wrong?

    Boohoo typically accepts returns on unworn items with tags within the window stated on the order page or receipt. Policies vary by retailer and third-party sellers may differ, so confirm before ordering.

    Browse the brand directory →