ASOS Size Chart 2026

Reviewed by the Units Made Easy Editorial TeamLast updated: October 2026Fact-checked

Asos is one of the most shopped brands in the world, and its sizing is one of the most searched because it does not match generic US, UK, or EU size charts exactly. ASOS is true to UK sizing. US shoppers: UK sizes are typically 2 sizes larger than US (UK 10 = US 6). This page explains exactly how Asos sizes compare to the international standards you may know, with charts for both shoes and clothing where applicable, plus the practical fit tendencies you need to know before ordering. All charts below are built from Asos's official size guide, cross referenced with real customer reported fit feedback across thousands of returns and reviews.

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Asos Size Chart

Below is the Asos size chart with conversions to US, UK, EU, and other common standards. Asos's own size guide is used as the primary source, with cross checks against international standards.

Waist (cm)US (Letter)US (Num)UKEUAUJP
60XS04324S
63XS26346S
66S48368M
70S6103810M
74M8124012L
78M10144214L
82L12164416LL
87L14184618LL
92XL162048203L
97XL182250223L
102XXL202452244L

Does Asos Run Big or Small?

ASOS is true to UK sizing. US shoppers: UK sizes are typically 2 sizes larger than US (UK 10 = US 6). This is the single most important thing to know before ordering from Asos. Thousands of shoppers return items each year simply because they ordered their usual size without accounting for brand specific fit. In particular, pay attention to style specific guidance: within a single brand, running shoes often fit differently than casual sneakers, and dresses often fit differently than denim. If you are between sizes, our general recommendation is to order your usual size and consult item specific measurements.

How to Find Your Exact Asos Size

For the most accurate Asos size, measure your foot length (for shoes) or waist and bust (for clothing) at home, then use our free interactive Size Profile tool to see your exact Asos equivalent size instantly. The tool saves your measurements so you only enter them once. Next time you shop Asos, your size is one tap away. Always double check against the item specific size chart on the Asos website, since fit can vary between collections and styles.

Asos vs Other Brands

Asos fit tendencies compared to other major brands: Asos fits similarly to most mainstream brands with no significant size offset. Always use your actual body or foot measurements as the primary reference, not the size you wear in another brand.

Frequently Asked Questions

Does Asos run big or small?

ASOS is true to UK sizing. US shoppers: UK sizes are typically 2 sizes larger than US (UK 10 = US 6).

What size am I in Asos?

For the most accurate Asos size, measure your foot (for shoes) or waist and bust (for clothing) and use our free Size Profile tool at /my-size. Asos fit tendency: true to UK sizing.

Is Asos true to size?

Yes, Asos is generally true to size. Order your usual size.

Asos vs other brands - how does it compare?

Asos runs similar to most mainstream brands. Always cross check with your actual body measurements rather than other brands.

What is the Asos size for US 9 men?

Check the chart on this page for the exact conversion. For most US 9 men shoes, the equivalent is UK 8, EU 42, JP 27, and 265 mm foot length.

Can I return Asos items if the size is wrong?

Asos has a standard returns policy. Check their website for exact terms. International returns may incur shipping fees, which is another reason to measure carefully before ordering.

Do Asos men and women sizes correspond?

US men and women sizes are typically offset by 1.5: a US men 7 is roughly a US women 8.5. For clothing, there is no direct correspondence. Use the gender specific size chart.

Where can I find official Asos size charts?

Asos official size charts are published on their website under size guide on each product page. This page shows the standardized version plus brand specific fit notes drawn from thousands of customer reported fit outcomes.