Shoe size for a 6.5 inch foot
A 6.5 inch foot (16.5 cm) is a kids’ US 10C, UK 9.5 and EU 27: toddler sizes.
In Mondopoint and Japanese sizes that’s Mondopoint 170 and Japan 17.
Between sizes: just over Mondopoint 165, so 170; just over Japan 16.5, so 17. We round up.
Try another length
Every size system for a 6.5 inch foot
| System | Men’s | Women’s | Kids |
|---|---|---|---|
| US | — | — | 10C |
| UK | — | — | 9.5 |
| EU | 27 | 27 | 27 |
| Mondopoint (mm) | 170 | 170 | 170 |
| Japan (cm) | 17 | 17 | 17 |
| India (UK sizes) | — | — | 9.5 |
| Australia and NZ | — | — | 9.5 |
| South Korea (mm) | 170 | 170 | 170 |
| China (mm) | 170 | 170 | 170 |
| Mexico (cm) | 17 | 17 | 17 |
| Brazil | 25 | 25 | 25 |
| Argentina, Uruguay, Paraguay | 26 | 26 | 26 |
From the standard size tables, rounded up to the next size when the foot is between two. A dash means the system has no size this small or large.
Where a 6.5 inch foot falls on US sizes
Each size fits feet longer than the size below it, up to its own length, here in inches. Your size is the first one long enough; the room left is how far the foot is from the top of that size.
US kids’
| Size | Fits feet over | Up to |
|---|---|---|
| 9C | 6.08 in | 6.25 in |
| 9.5C | 6.25 in | 6.42 in |
| 10C (this foot) | 6.42 in | 6.58 in |
| 10.5C | 6.58 in | 6.75 in |
| 11C | 6.75 in | 6.92 in |
Room left in US kids’ 10C: 0.08 in
A 6.5 inch foot in 29 brands
Room in the shoe: of the 21 brands that give foot lengths, Campus leaves the most, 0.23 in. Saucony’s size ends exactly at 6.5 inches, so a foot any longer needs another size: Saucony US 11 (to 6.75 in).
| Brand | Kids |
|---|---|
| adidas size chart (opens the brand’s site) | US 10.5kUK 10k · EU 28adidas’ chart: foot up to 6.54 in · 0.04 in to spare |
| ASICS size chart (opens the brand’s site) | US K10UK K9 · EU 27From the standard US 10C |
| Bata size chart (opens the brand’s site) | EU 27UK 9.5From the standard EU 27 |
| Birkenstock size chart (opens the brand’s site) | EU 27US 9-9.5 · UK 9Birkenstock’s chart: foot up to 6.69 in · rounded up · 0.19 in to spare |
| Campus size chart (opens the brand’s site) | UK 10US 11 · EU 28Campus’ chart: foot up to 6.73 in · 0.23 in to spare |
| Clarks size chart (opens the brand’s site) | UK 10US 10.5 · EU 28Clarks’ chart: foot up to 6.61 in · rounded up · 0.11 in to spare |
| Converse size chart (opens the brand’s site) | US 10CUK 10 · EU 26From the standard US 10C |
| Crocs size chart (opens the brand’s site) | US C10UK 10 · EU 25-26Crocs’ chart: foot up to 6.54 in · 0.04 in to spare |
| Dr. Martens size chart (opens the brand’s site) | UK 9US 10 · EU 27From the standard EU 27 |
| Fila size chart (opens the brand’s site) | US 10UK 9 · EU 27From the standard EU 27 |
| HEYDUDE size chart (opens the brand’s site) | US 10EU 28HEYDUDE’s chart: foot up to 6.69 in · 0.19 in to spare |
| Jordan size chart (opens the brand’s site) | US 10CUK 9.5 · EU 27Jordan’s chart: foot up to 6.57 in · 0.07 in to spare |
| KEEN size chart (opens the brand’s site) | US 11UK 10 · EU 29KEEN’s chart: foot up to 6.73 in · rounded up · 0.23 in to spare |
| Liberty size chart (opens the brand’s site) | UK 9CUS 10C · EU 27From the standard US 10C |
| Merrell size chart (opens the brand’s site) | US 11UK 10 · EU 28Merrell’s chart: foot up to 6.69 in · rounded up · 0.19 in to spare |
| New Balance size chart (opens the brand’s site) | US 11UK 10.5 · EU 28.5New Balance’s chart: foot up to 6.69 in · rounded up · 0.19 in to spare |
| Nike size chart (opens the brand’s site) | US 10CUK 9.5 · EU 27Nike’s chart: foot up to 6.57 in · 0.07 in to spare |
| On size chart (opens the brand’s site) | US 10.5KUK 10K · EU 27.5On’s chart: foot up to 6.57 in · 0.07 in to spare |
| Onitsuka Tiger size chart (opens the brand’s site) | US K10UK K9 · EU 27From the standard US 10C |
| PUMA size chart (opens the brand’s site) | US 10UK 9 · EU 27From the standard EU 27 |
| Salomon size chart (opens the brand’s site) | EU 28US 10.5K · UK 10KSalomon’s chart: foot up to 6.69 in · rounded up · 0.19 in to spare |
| Saucony size chart (opens the brand’s site) | 10.5 Little KidsUS 10.5 · UK 9.5 · EU 27Saucony’s chart: foot up to 6.50 in · no room to spare |
| SOREL size chart (opens the brand’s site) | US 11UK 10 · EU 28SOREL’s chart: foot up to 6.73 in · 0.23 in to spare |
| Teva size chart (opens the brand’s site) | US 10TUK 9 · EU 27Teva’s chart: foot up to 6.69 in · 0.19 in to spare |
| Timberland size chart (opens the brand’s site) | US 10.5UK 10 · EU 28Timberland’s chart: foot up to 6.69 in · rounded up · 0.19 in to spare |
| UGG size chart (opens the brand’s site) | US 10TUK 9 · EU 27.5UGG’s chart: foot up to 6.59 in · 0.09 in to spare |
| Under Armour size chart (opens the brand’s site) | US 11KUK 10.5 · EU 28Under Armour’s chart: foot up to 6.69 in · rounded up · 0.19 in to spare |
| Vans size chart (opens the brand’s site) | US 11.5CUK 11 · EU 28Vans’ chart: foot up to 6.69 in · rounded up · 0.19 in to spare |
| Zara size chart (opens the brand’s site) | US 10.5UK 9.5 · EU 27Zara’s chart: foot up to 6.65 in · 0.15 in to spare |
Sizes as each brand prints them on its own chart, linked. Not affiliated with any brand.
Size tables checked 2026-10-23; brand sizes from each brand’s own chart, linked above. An estimate to help you choose: fit varies by brand and model. Not medical advice.