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Size 36 in UK – Complete Conversion Guide for Clothes and Shoes

Oliver Henry Cooper • 2026-05-06 • Reviewed by Ethan Collins





What Is Size 36 in UK? A Complete Conversion Guide

A European size 36 can mean very different things depending on whether you are buying clothes, shoes, or items for men, women, or children. This guide breaks down the standard conversions, highlights where uncertainty remains, and explains why checking brand-specific charts is essential.

What Is Size 36 in UK Clothes?

Category UK Equivalent Note
Women’s Clothing UK 8 Common conversion; varies by brand
Men’s Clothing UK 36 (chest inches) or US S/M EU 36 men’s = UK 36 chest; not common for suits
Women’s Shoes UK 3.5–4 Typically UK 3.5 for narrow, UK 4 for average
Men’s Shoes UK 4–5 EU 36 men’s shoes often UK 4.5

Key insights to keep in mind when converting EU 36 to UK sizing:

  • EU size 36 is almost always UK 8 for women’s clothing (based on standard conversions).
  • For women’s shoes, EU 36 converts to UK 3.5–4, but width matters.
  • Men’s EU 36 clothing is less common; often corresponds to UK chest size 36 inches rather than a standard letter size.
  • Size conversions are not universal – brands use different fit models.
  • Always check the specific brand’s size guide, especially for online shopping.
  • Children’s EU 36 is approximately UK 3 (youth) but not covered in most guides.
Category EU Size UK Size
Women’s Clothing 36 8
Women’s Shoes 36 3.5–4
Men’s Clothing (chest) 36 36 inches (S/M)
Men’s Shoes 36 4–5
Children’s Clothing (approx) 36 3 (youth)
Children’s Shoes (approx) 36 3.5 (youth)

What Is Size 36 in UK Shoes?

37 Shoe Size in UK

EU 37 for women converts to roughly UK 4–4.5. This represents a half-step above EU 36, consistent with the standard barleycorn offset. Men’s EU 37 is uncommon.

38 Shoe Size in UK

EU 38 corresponds to UK 5–5.5 for women and UK 5.5–6 for men. At this point, men’s sizes begin to appear more frequently in standard ranges.

42 Shoe Size in UK

EU 42 is a typical men’s size, converting to UK 8–8.5. It can also appear in women’s unisex footwear.

EU Size 38 in UK

EU 38 in women’s shoes is UK 5–5.5, and in clothing it is UK 10. This is one of the more common crossover points between women’s and men’s sizing.

Shoe width variation

Different brands, such as Converse, Nike, or Vans, may adjust width for the same EU length. EU 36 can fit UK 3.5 in a narrow model and UK 4 in a regular model. Always consult the brand’s own conversion table.

How Do US Sizes Convert to UK?

US to UK Sizes for Shoes

US shoe sizing runs about half to one full size larger than UK sizing for women. For example, US women’s 6 is UK 4, and US women’s 5.5 is UK 3.5. Men’s US to UK conversion is simpler: US men’s size equals UK size plus 0.5.

US to UK Clothing Sizes

In women’s clothing, US sizes are typically two numbers higher than UK sizes. So US 4 equals UK 8, and US 6 equals UK 10. Men’s clothing uses similar numeric sizing (chest inches) for suits, but letter sizes (S, M, L) vary more between regions.

How Do UK Sizes Compare to EU?

UK Size to EU Clothing

UK women’s size 8 corresponds to EU 36, UK 10 to EU 38, UK 12 to EU 40, and UK 14 to EU 42. Men’s UK chest size 36 inches is approximately EU 36, but many men’s garments use letter sizes that do not map directly.

UK Shoe Size to EU

UK shoe sizes are based on barleycorn units (⅓ inch). The conversion formula is roughly: EU size = (UK size + 32) × 1.5. For example, UK 3.5 gives approximately EU 36.

UK Size 9 in EU

UK men’s shoe size 9 equals approximately EU 42.5–43. This is a common men’s size across many brands.

What Is the Difference Between UK and EU Sizing?

Why Do Sizes Vary by Brand?

EU sizes are based on body measurements in centimetres (e.g., chest, waist, hips), while UK sizes use a different historical baseline. The offset means that EU 36 women’s clothing is UK 8, but the actual fit can differ because brands use different fit models and tolerances. Also, “vanity sizing” – adjusting numbers to make customers feel smaller – affects some retailers more than others.

Are Size 36 and UK 8 the Same?

In women’s clothing, the standard conversion says yes. In men’s clothing, “size 36” often refers to a chest measurement in inches, not a direct EU conversion. In shoes, EU 36 is UK 3.5–4, not UK 8. So the answer depends entirely on the product category.

Measuring for accuracy

To find your correct UK size from an EU 36 garment, measure your bust (for women) or chest (for men) in centimetres and compare with the brand’s size chart. Many retailers like ASOS provide detailed measurement guides.

How Did EU and UK Sizing Systems Develop?

  1. 1960s – European countries began standardising clothing sizes based on body measurements in centimetres. This led to the modern EU numeric system.
  2. 1970s – UK women’s clothing sizes were aligned with EU numbers, creating the widely used conversion table (e.g., EU 36 = UK 8).
  3. 2000s – Increased cross-border online shopping made conversion guides essential for consumers. Retailers began publishing international size charts.

Certainty vs. Uncertainty in Size 36 Conversions

Established Information Information That Remains Unclear
The standard conversion table (EU 36 = UK 8 women’s clothing) is widely accepted by major retailers. Actual fit varies by brand, cut, and garment type (e.g., jeans vs. dresses).
Shoe sizes follow a consistent numeric offset (EU 36 = UK 3.5–4). Men’s EU 36 is ambiguous: it can refer to a chest measurement or a small size – check the listing.
Children’s conversions are not standardised across retailers.
‘Size 36’ may refer to junior or petite lines.

What Do EU and UK Size Numbers Actually Mean?

EU sizes are derived from body measurements in centimetres – for example, a bust measurement of 82–84 cm typically corresponds to EU 36 for women. UK sizes use a different base: UK 8 was originally designed for a bust of about 80 cm, but historical adjustments and “vanity sizing” have shifted the relationship. In shoes, EU length is a direct metric measurement in centimetres, while UK sizing uses the barleycorn unit (1/3 inch). The offset between the two systems explains why EU 36 maps to UK 3.5–4 rather than a simpler whole number.

Where Do These Conversion Standards Come From?

Several established retailers publish size charts that serve as de facto standards. Their guides are regularly updated to reflect changes in manufacturing and customer feedback.

“View our women’s size charts to get the perfect fit at ASOS.”

ASOS

“SIZE 1 / UK 8 / EUR 36.”

Komodo Size Guide

“Standardised Size Guide with international conversion.”

TK Maxx

Additional reference guides include Hoggs Men’s Size Guide (PDF) and Laughing Hens Conversion Chart.

What Is the Best Way to Handle Size 36 Conversions?

For women’s clothing, treat EU 36 as UK 8 as a starting point, then verify with the brand’s own chart. For shoes, EU 36 is UK 3.5–4, but width and style matter. If you are shopping for men’s items, check whether “36” refers to chest inches or a European small. When in doubt, measure the garment or your own body using a tape measure. For a broader look at size systems, see our Black Shoes for Women guide, which includes fit advice.

Frequently Asked Questions about Size 36 in UK

What is size 36 in UK men’s clothing?

EU size 36 men’s clothing typically corresponds to a UK chest size of 36 inches, often labelled as XS or S, but is less common. Always check brand-specific size charts.

Is size 36 the same as UK 6?

No, EU size 36 is UK 8 for women’s clothing. UK 6 is generally EU 34.

What size is 36 in Italy?

Italy uses EU sizing (36) for clothing and shoes, so size 36 in Italy is the same as other EU countries. For shoes, Italian sizes may run slightly differently – confirm with brand chart.

What is UK size 10 in EU?

UK women’s size 10 is generally EU 38.

Do EU sizes run smaller than UK?

In clothing, EU sizes are based on centimetre measurements while UK sizes have an arbitrary offset. For a given numeric size (e.g., 36), the EU garment may be slightly smaller or larger depending on the brand. No universal rule.

How do I convert EU 36 children’s shoes to UK?

EU 36 children’s shoes approximate to UK 3.5 (youth). Sizing for children is less standardised, so check the brand’s youth chart.

What is EU 36 in US shoe size?

EU 36 women’s shoes correspond to US 5.5–6. For men, EU 36 is rarely used but would be about US 4.5–5.

Can I trust online conversion charts for size 36?

They provide a good starting point, but brand-specific charts are more reliable. Retailers like TK Maxx and ASOS update their guides regularly.

Is EU 36 the same for all types of clothing?

No. A dress labelled EU 36 may fit differently from a pair of trousers with the same label, even from the same brand. Always consult the garment-specific size guide.

Why is size 36 in UK shoes different from size 36 in clothes?

Because the measurement systems are different. Clothing uses body circumference (cm), while shoes use foot length (cm) and a different scale. EU 36 in clothes equals UK 8, but in shoes it equals UK 3.5–4.


Oliver Henry Cooper

About the author

Oliver Henry Cooper

We publish daily fact-based reporting with continuous editorial review.