👟 Footwear · Men's
Men's UK 8.5 to US
Looking to convert a men's UK shoe size of 8.5 into US sizing? It comes out at US 9.5, based on a foot length of roughly 26.7 cm. The full cross-system table is below.
UK 8.5 = US 9.5
Men's · anchored to a foot length of about 26.7 cm
Full conversion across every system for this size:
| US | UK | EU | Foot (cm) | Mondo |
|---|---|---|---|---|
| 8 | 7 | 40 | 25.5 | 255 |
| 8.5 | 7.5 | 41 | 25.9 | 259 |
| 9 | 8 | 41.5 | 26.3 | 263 |
| 9.5 | 8.5 | 42.5 | 26.7 | 267 |
| 10 | 9 | 43 | 27.1 | 271 |
| 10.5 | 9.5 | 43.5 | 27.5 | 275 |
| 11 | 10 | 44 | 27.9 | 279 |
⚠️ Brands vary: Nike tends to run about half a size small — consider sizing up.
Need a different size? Use the live shoe size converter to convert any value across all systems at once.
ⓘ Affiliate links below. As an Amazon Associate we earn from qualifying purchases at no extra cost to you.
★ Top pick · Recommended on Amazon
Foot Measuring Device
Brannock-style gauge to measure length and width accurately at home — size from your feet, not the label.
View on Amazon →Recommended on Amazon
Gel Insoles for Men
Take up half a size of slack and add cushioning when a shoe runs large.
View on Amazon →Recommended on Amazon
Heel Grips & Cushions
Stop heel slip when you've sized up for comfort or width.
View on Amazon →Frequently asked questions
What is Men's UK shoe size 8.5 in US?
Men's UK 8.5 is equivalent to US 9.5, for a foot length of about 26.7 cm.