Size 38 in UK – Complete Guide to Clothing and Shoe Conversions

Shopping for clothes across borders often leads to a moment of confusion when faced with a single number: 38. In the European sizing system, this number is a standard marker, but its meaning changes when converted to the United Kingdom’s system. For women’s clothing, EU 38 generally equates to a UK 10, while for shoes, it maps to a UK 5 or 5.5. Understanding this conversion is essential for avoiding returns and ensuring the right fit.

The need for conversion guidance has grown with the popularity of online shopping. Retailers like ASOS and TK Maxx display dual sizing charts, but brand-specific variations mean that a size 38 from one label may fit differently than another. This guide breaks down the conversion for clothing, shoes, and jeans based on verified information from major retailers.

What is EU Size 38 in UK Women’s Clothing?

For women’s clothing, the standard conversion places EU size 38 at UK 10. This is a widely accepted baseline used by major retailers, but it serves as a starting point rather than a guarantee.

Key Insights on Size 38 Conversions

• EU 38 is consistently a UK 10 for clothing, but physical measurements are more reliable.
• For shoes, EU 38 is almost always a UK 5 for women, regardless of brand.
• The UK sizing system adds 2 to the EU number to get the UK ‘jeans’ waist size (38 EU = UK 38 inch waist for men).
• Most retailer pages fail to address the variance between different types of clothing (dresses vs. jeans).

Snapshot: What is Size 38 in the UK?

What is EU Size 38 in UK Shoes?

An EU shoe size 38 typically converts to a UK women’s size 5. For unisex or men’s sizing, it is often a UK 5 as well, but measuring foot length is more reliable. According to charts from retailers like Grivet Outdoors and Foot Locker UK, the conversion is consistent across many brands.

Shoe size conversion for EU 38

Sources like Grivet Outdoors and Foot Locker UK confirm these conversions, noting that an EU 38 is a UK 5 for women. For men, the same EU size is often a UK 5 as well, though some charts show a UK 5.5 or 6 depending on half-size handling.

How Do I Convert Other Common EU Sizes (36, 40, 42) to UK?

Understanding the sliding scale is crucial for international shopping. EU sizes increase by 2, while UK sizes increase by 1. This means that a clear pattern emerges once you know the baseline.

What is EU Size 38 in UK Jeans?

In denim, an EU 38 usually translates to a UK size 10 for women’s fitted jeans. For men’s jeans (waist size), an EU 38 typically equals a UK 38-inch waist. However, men’s jeans are usually listed as waist sizes like W30, W32, W34 rather than EU 38, so direct comparison is limited.

When buying jeans labeled EU 38, look for a waist measurement of approximately 87-89 cm (34-35 inches) and a hip measurement of 93-96 cm (36-38 inches). The length (inseam) is often listed separately. Sources like English Brands show women’s EU 38 alongside UK 10 for jeans and trousers.

Evolution of Sizing Standards

The sizing systems in use today have developed over decades. Understanding their history helps explain why conversions are not always straightforward.

1. 1960s-1980s: UK sizing standards (BS 3666) used bust/hip measurements; size 10 was a 34-inch bust.
2. 1990s-2000s: EU sizing (EN 13402) introduced metric standardization, but ‘vanity sizing’ led to size inflation.
3. 2010s: Online shopping booms; ASOS/TK Maxx popularized dual EU-UK sizing charts.
4. 2020s: EU 38 remains a common baseline, but brand-specific fit guides are now essential.

Certainty vs. Uncertainty in Sizing

Why Size 38 Matters: The EU-to-UK Conversion Challenge

International shopping is the primary driver for this search query. The number ’38’ is a critical anchor point, but missing context leads to returns. European sizes are based on body measurements, while UK sizes are based on fit standards, creating confusion for shoppers.

Proper guidance reduces e-commerce friction and cart abandonment. Retailers like TK Maxx provide collapsible tables covering clothing and trousers, while others focus on specific categories. The gap in the market is a single page that explains both clothing and shoe conversions for size 38 with clarity on brand variance.

Key Sources & Expert Guidance

Major retailers provide the most reliable conversion data. These sources are considered authoritative due to their commercial scale and return policies.

ASOS Size Guide: ‘Womenswear Clothing – Single Size Conversion UK 38 = UK 10’.

Foot Locker UK: ‘An EU shoe size of 38 typically converts to a UK size 5 for women’.

Komodo: ‘Size 38 fits chest 87-89cm, waist 69-72cm, hip 93-96.5cm’.

What’s Next in Sizing Standards?

The future of sizing points toward continued reliance on digital measurement tools, such as AI-based fit prediction. More brands are adopting universal sizing or ‘fit finder’ questionnaires to reduce returns. No change to the core 38-to-10 conversion is expected, but greater emphasis on body measurements will likely emerge.

Frequently Asked Questions