Shoe Size Converter
Pick men's or women's sizing, choose the size system you already know, and select your size to see the equivalent US, UK, and EU size along with the standard foot length in centimeters.
How It Works
This chart matters most when you are buying shoes from a retailer that only lists sizes in a system you do not normally use, which is common when ordering from an overseas website or shopping while traveling. It is also useful when buying a gift for someone and you only know their size in one system, or when comparing a size across brands that label sizes slightly differently.
This tool looks up your size in a standard reference conversion table rather than calculating it from a formula, since shoe sizing across US, UK, and EU systems is based on historical measuring conventions rather than a single consistent unit.
Sizing can vary by brand and shoe style. This is a standard reference conversion, not a brand-specific guide.
Men's Sizing
| US | UK | EU | Foot length (cm) |
|---|---|---|---|
| 6 | 5.5 | 39 | 24.1 |
| 6.5 | 6 | 39.5 | 24.4 |
| 7 | 6.5 | 40 | 25.1 |
| 7.5 | 7 | 40.5 | 25.4 |
| 8 | 7.5 | 41 | 25.7 |
| 8.5 | 8 | 42 | 26.4 |
| 9 | 8.5 | 42.5 | 26.7 |
| 9.5 | 9 | 43 | 27.3 |
| 10 | 9.5 | 44 | 27.9 |
| 10.5 | 10 | 44.5 | 28.3 |
| 11 | 10.5 | 45 | 28.9 |
| 11.5 | 11 | 45.5 | 29.4 |
| 12 | 11.5 | 46 | 29.7 |
| 13 | 12.5 | 47.5 | 30.8 |
Women's Sizing
| US | UK | EU | Foot length (cm) |
|---|---|---|---|
| 5 | 2.5 | 35.5 | 22.1 |
| 5.5 | 3 | 36 | 22.4 |
| 6 | 3.5 | 36.5 | 22.6 |
| 6.5 | 4 | 37.5 | 23.2 |
| 7 | 4.5 | 38 | 23.5 |
| 7.5 | 5 | 38.5 | 23.8 |
| 8 | 5.5 | 39 | 24.1 |
| 8.5 | 6 | 39.5 | 24.4 |
| 9 | 6.5 | 40.5 | 24.8 |
| 9.5 | 7 | 41 | 25.1 |
| 10 | 7.5 | 42 | 25.4 |
| 11 | 8.5 | 43 | 26.7 |
Worked Example
A men's US size 9 corresponds to a UK size 8.5, an EU size 42.5, and a foot length of about 26.7 centimeters, based on the table above.
Frequently Asked Questions
Are shoe sizes the same across all brands?
No. This chart shows standard, widely cited reference sizing. Individual brands and shoe styles can run larger or smaller, so use this as a starting point and check a specific brand's own size guide when possible.
How is foot length measured for these sizes?
Foot length is measured in centimeters from the back of the heel to the tip of the longest toe, typically while standing with weight on the foot.
Why do men's and women's sizes differ for the same foot length?
Men's and women's shoe size scales are offset by convention, roughly 1.5 to 2 US sizes apart for the same foot length, even though the numbering systems are otherwise similar.
What if my foot length falls between two sizes?
Round up to the next full or half size for the most comfortable fit, since a shoe that is slightly too big is usually more comfortable than one that is slightly too small.
Why do I need a chart instead of just picking my usual size?
Shoe stores in the UK, EU, and US label the same physical shoe with different numbers, so your usual US size does not carry over directly when you are buying from a UK or European retailer. A conversion chart bridges the gap between the labels.
Should I measure both feet before checking the chart?
Yes. It is common for one foot to be very slightly longer than the other. Measure both, use the larger measurement, and check that length against the chart to find your size.