UK Size to EU Size Converter

Shoe Size Converter

4 units available

Decimals:

From

To

34

1 UK = 34 EU

Formula:

EU = UK × 34

With your value: 1 UK = 34 EU

Other UK Size to EU Size conversions

2 UK to EU 3 UK to EU 4 UK to EU 5 UK to EU 6 UK to EU 7 UK to EU 8 UK to EU

UK Size to EU Size Conversion Table

UK Size (UK)	EU Size (EU)
0.5	33.5
1	34
2	35
5	38
10	43
15	48
20	53
25	58
50	83
100	133
250	283
500	533
1000	1,033

EU Size to UK Size Conversion Table

EU Size (EU)	UK Size (UK)
0.5	-32.5
1	-32
2	-31
5	-28
10	-23
15	-18
20	-13
25	-8
50	17
100	67
250	217
500	467
1000	967

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

UK Size (UK)

Shoe Size

Nominal / indicative

Only Mondopoint (ISO 9407) is defined from foot length in millimetres. US, UK and EU scales are trade conventions.

Manufacturer lasts differ. Treat cross-system results as a starting point, not a guaranteed fit.

Source: ISO 9407:2019, Footwear sizing — Mondopoint system

International Organization for Standardization · Reviewed 2026-07-01

EU Size (EU)

Shoe Size

Nominal / indicative

Only Mondopoint (ISO 9407) is defined from foot length in millimetres. US, UK and EU scales are trade conventions.

Manufacturer lasts differ. Treat cross-system results as a starting point, not a guaranteed fit.

Source: ISO 9407:2019, Footwear sizing — Mondopoint system

International Organization for Standardization · Reviewed 2026-07-01

How to Convert UK Size to EU Size

This conversion uses an offset formula, so it cannot be described by a single multiplication factor.

Formula: EU = UK × 34

Reverse: UK = EU × -32

Step-by-Step Example

Start with your value in UK Size. For example: 5 UK
Apply EU = UK × 34
The result is: 38 EU

About UK Size

UK shoe sizes are based on the length of the last, measured in barleycorns (1/3 inch).

Common uses: shoe shopping (UK), international sizing.

About EU Size

European shoe sizes are based on the Paris point (2/3 centimeter).

Common uses: shoe shopping (Europe), global footwear industry.

Frequently Asked Questions

How many EU Size are in 1 UK Size?

There are exactly 34 EU Size in 1 UK Size.

What is the formula to convert UK Size to EU Size?

The formula to convert UK Size to EU Size is: EU = UK × 34. For example, to convert 10 UK Size to EU Size, you would apply the formula to 10.

What is a UK Size?