Shoe size for a 23 cm foot
A 23 cm foot (230 mm, 9.06 in) is a men’s US 5.5, a women’s US 7, UK 4.5 and EU 36.5.
In Mondopoint and Japanese sizes that’s Mondopoint 230 and Japan 23. For kids it’s a kids’ US 5.5Y, a big kid size.
Between sizes: just over men’s US 5, so 5.5; just over women’s US 6.5, so 7; just over UK 4, so 4.5; just over kids’ US 5Y, so 5.5Y. We round up.
Try another length
Every size system for a 23 cm foot
| System | Men’s | Women’s | Kids |
|---|---|---|---|
| US | 5.5 | 7 | 5.5Y |
| UK | 4.5 | 4.5 | 4.5 |
| EU | 36.5 | 36.5 | 36.5 |
| Mondopoint (mm) | 230 | 230 | 230 |
| Japan (cm) | 23 | 23 | 23 |
| India (UK sizes) | 4.5 | 4.5 | 4.5 |
| Australia and NZ | 4.5 | 7 | 4.5 |
| South Korea (mm) | 230 | 230 | 230 |
| China (mm) | 230 | 230 | 230 |
| Mexico (cm) | 23 | 23 | 23 |
| Brazil | 35 | 35 | 35 |
| Argentina, Uruguay, Paraguay | 36 | 36 | 36 |
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 long or short.
Where a 23 cm foot falls
Each size fits feet longer than the size below it, up to its own length. Your size is the first one long enough; the room left is how far the foot is from the top of that size.
EU
| Size | Fits feet over | Up to |
|---|---|---|
| 35.5 | 22.0 cm | 22.3 cm |
| 36 | 22.3 cm | 22.7 cm |
| 36.5 (this foot) | 22.7 cm | 23.0 cm |
| 37 | 23.0 cm | 23.3 cm |
| 37.5 | 23.3 cm | 23.7 cm |
UK
| Size | Fits feet over | Up to |
|---|---|---|
| 3.5 | 22.0 cm | 22.4 cm |
| 4 | 22.4 cm | 22.9 cm |
| 4.5 (this foot) | 22.9 cm | 23.3 cm |
| 5 | 23.3 cm | 23.7 cm |
| 5.5 | 23.7 cm | 24.1 cm |
Room left in UK 4.5: 2.8 mm
Japan
| Size | Fits feet over | Up to |
|---|---|---|
| 22 | 21.5 cm | 22.0 cm |
| 22.5 | 22.0 cm | 22.5 cm |
| 23 (this foot) | 22.5 cm | 23.0 cm |
| 23.5 | 23.0 cm | 23.5 cm |
| 24 | 23.5 cm | 24.0 cm |
How common is a 23 cm foot?
In the US Army’s 2012 ANSUR II survey, which measured adults’ feet to the millimetre, 100% of men (4,080 of 4,082) and 91% of women (1,801 of 1,986) had a foot at least this long.
Survey of US Army personnel, so not every population; see average shoe size for the whole spread.
A 23 cm foot in 41 brands
Brands don’t agree at this length: their own charts put a 23 cm foot anywhere from men’s US 4.5 (Converse, Saucony, Teva and 1 more) to US 5.5 (adidas, ASICS, Brooks and 4 more). Check the brand you’re buying below.
Room in the shoe: of the 28 brands that give foot lengths, Bombas leaves the most, 7.0 mm. Fourteen brands’ sizes end exactly at 23 cm, so a foot any longer needs another size: Birkenstock US 6-6.5 (to 24.0 cm), Crocs US 6 (to 24.0 cm), Dr. Martens US 6 (to 24.0 cm), Fila US 6 (to 24.0 cm), Golden Goose US 6 (to 23.7 cm), HEYDUDE US 6 (to 24.0 cm), HOKA US 5.5 (to 23.4 cm), KEEN US 7 (to 23.5 cm), Liberty US 5 (to 23.7 cm), New Balance US 5.5 (to 23.5 cm), Salomon US 7 (to 23.5 cm), Timberland US 5 (to 23.5 cm), Under Armour US 6 (to 23.5 cm) and Vans 37 (to 23.5 cm).
| Brand | Men’s | Women’s | Kids |
|---|---|---|---|
| adidas size chart (opens the brand’s site) | US 5.5EU 38 · UK 5adidas’ chart: foot up to 23.3 cm · rounded up · 3.0 mm to spare | US 6.5EU 38 · UK 5adidas’ chart: foot up to 23.3 cm · rounded up · 3.0 mm to spare | US 5.5EU 38 · UK 5adidas’ chart: foot up to 23.3 cm · rounded up · 3.0 mm to spare |
| Allbirds size chart (opens the brand’s site) | — | US 7UK 4 - 4.5From the standard US 7 · rounded up | — |
| ANTA size chart (opens the brand’s site) | US 5EU 37.5 · UK 4ANTA’s chart: foot up to 23.4 cm · 4.0 mm to spare | US 6EU 36.5 · UK 3.5ANTA’s chart: foot up to 23.0 cm · no room to spare | US 4YEU 36 · UK 3.5ANTA’s chart: foot up to 23.0 cm · no room to spare |
| ASICS size chart (opens the brand’s site) | US 5.5EU 38 · UK 4.5From the standard US 5.5 · rounded up | US 7EU 38 · UK 5From the standard US 7 · rounded up | — |
| Birkenstock size chart (opens the brand’s site) | — | EU 36UK 3.5 · US 5-5.5Birkenstock’s chart: foot up to 23.0 cm · no room to spare | EU 36UK 3.5 · US 5-5.5Birkenstock’s chart: foot up to 23.0 cm · no room to spare |
| Bombas size chart (opens the brand’s site) | — | 7EU 38 · UK 5 · US 6.5-7Bombas’ chart: foot up to 23.7 cm · 7.0 mm to spare | — |
| Brooks size chart (opens the brand’s site) | US 5.5EU 38 · UK 4.5From the standard US 5.5 · rounded up | US 7EU 38 · UK 5From the standard US 7 · rounded up | — |
| Campus size chart (opens the brand’s site) | — | UK 6EU 39 · US 7From the standard US 7 · rounded up | UK 4EU 37 · US 5Campus’ chart: foot up to 23.0 cm · no room to spare |
| Clarks size chart (opens the brand’s site) | — | UK 4.5EU 37.5 · US 7Clarks’ chart: foot up to 23.3 cm · rounded up · 3.0 mm to spare | UK 4.5EU 37.5 · US 5.5Clarks’ chart: foot up to 23.1 cm · 1.0 mm to spare |
| Converse size chart (opens the brand’s site) | US 4.5EU 37From the standard UK 4.5 · rounded up | US 7EU 37.5 · UK 5From the standard US 7 · rounded up | US 5.5YEU 38 · UK 5From the standard US 5.5Y · rounded up |
| Crocs size chart (opens the brand’s site) | M5/W7EU 37-38 · UK 4 · US 5Crocs’ chart: foot up to 23.0 cm · no room to spare | US 7EU 37-38 · UK 5Crocs’ chart: foot up to 23.0 cm · no room to spare | US J5EU 33-34 · UK 5Crocs’ chart: foot up to 23.3 cm · 3.0 mm to spare |
| Dr. Martens size chart (opens the brand’s site) | UK 4EU 37 · US 5Dr. Martens’ chart: foot up to 23.0 cm · no room to spare | UK 4EU 37 · US 6Dr. Martens’ chart: foot up to 23.0 cm · no room to spare | — |
| Fila size chart (opens the brand’s site) | — | UK 4EU 37 · US 5Fila’s chart: foot up to 23.0 cm · no room to spare | — |
| Golden Goose size chart (opens the brand’s site) | — | EU 35UK 2 · US 5Golden Goose’s chart: foot up to 23.0 cm · no room to spare | — |
| Gucci size chart (opens the brand’s site) | — | EU 36UK 3Gucci’s chart: foot up to 23.3 cm · rounded up · 3.0 mm to spare | — |
| HEYDUDE size chart (opens the brand’s site) | US 5EU 38HEYDUDE’s chart: foot up to 23.0 cm · no room to spare | US 6EU 37HEYDUDE’s chart: foot up to 23.0 cm · no room to spare | — |
| HOKA size chart (opens the brand’s site) | US 5EU 37 1/3 · UK 4.5HOKA’s chart: foot up to 23.0 cm · no room to spare | US 6.5EU 38 · UK 5HOKA’s chart: foot up to 23.3 cm · rounded up · 3.0 mm to spare | US 4.5YHOKA’s chart: foot up to 23.0 cm · no room to spare |
| Jordan size chart (opens the brand’s site) | US 5.5EU 38 · UK 5Jordan’s chart: foot up to 23.3 cm · rounded up · 3.0 mm to spare | US 6.5EU 37.5 · UK 4Jordan’s chart: foot up to 23.3 cm · rounded up · 3.0 mm to spare | US 5YEU 37.5 · UK 4.5Jordan’s chart: foot up to 23.2 cm · 2.0 mm to spare |
| KEEN size chart (opens the brand’s site) | — | US 6.5EU 37 · UK 4KEEN’s chart: foot up to 23.0 cm · no room to spare | US 5EU 37 · UK 4KEEN’s chart: foot up to 23.2 cm · 2.0 mm to spare |
| Liberty size chart (opens the brand’s site) | — | UK 3EU 36 · US 4Liberty’s chart: foot up to 23.0 cm · no room to spare | — |
| Merrell size chart (opens the brand’s site) | — | US 7EU 37.5 · UK 4.5From the standard US 7 · rounded up | US 4EU 36 · UK 3Merrell’s chart: foot up to 23.0 cm · no room to spare |
| Mizuno size chart (opens the brand’s site) | US 5.5EU 37 · UK 4.5From the standard US 5.5 · rounded up | US 7EU 37 · UK 4.5From the standard US 7 · rounded up | — |
| New Balance size chart (opens the brand’s site) | US 5EU 37.5 · UK 4.5New Balance’s chart: foot up to 23.0 cm · no room to spare | US 6EU 36.5 · UK 4New Balance’s chart: foot up to 23.0 cm · no room to spare | US 5EU 37.5 · UK 4.5New Balance’s chart: foot up to 23.0 cm · no room to spare |
| Nike size chart (opens the brand’s site) | US 5.5EU 38 · UK 5Nike’s chart: foot up to 23.3 cm · rounded up · 3.0 mm to spare | US 6.5EU 37.5 · UK 4Nike’s chart: foot up to 23.3 cm · rounded up · 3.0 mm to spare | US 5YEU 37.5 · UK 4.5Nike’s chart: foot up to 23.2 cm · 2.0 mm to spare |
| On size chart (opens the brand’s site) | — | US 7EU 38 · UK 5From the standard US 7 · rounded up | US 5.5YEU 38 · UK 5YOn’s chart: foot up to 23.3 cm · rounded up · 3.0 mm to spare |
| Onitsuka Tiger size chart (opens the brand’s site) | US 5HEU 38 · UK 4.5From the standard UK 4.5 · rounded up | US 7EU 38 · UK 5From the standard US 7 · rounded up | — |
| PUMA size chart (opens the brand’s site) | — | US 7EU 37.5 · UK 4.5From the standard US 7 · rounded up | — |
| Red Tape size chart (opens the brand’s site) | — | UK 5EU 38 · US 7From the standard US 7 · rounded up | — |
| Reebok size chart (opens the brand’s site) | — | US 7Reebok’s chart: foot up to 23.4 cm · rounded up · 3.7 mm to spare | — |
| Salomon size chart (opens the brand’s site) | — | US 6.5EU 38 · UK 5Salomon’s chart: foot up to 23.0 cm · no room to spare | EU 38UK 5 · US 6Salomon’s chart: foot up to 23.5 cm · 5.0 mm to spare |
| Saucony size chart (opens the brand’s site) | US 4.5EU 37 · UK 3.5Saucony’s chart: foot up to 23.2 cm · rounded up · 1.8 mm to spare | US 6EU 37 · UK 3.5Saucony’s chart: foot up to 23.2 cm · rounded up · 1.8 mm to spare | 3.5 Big KidsEU 35.5 · UK 2.5 · US 3.5Saucony’s chart: foot up to 23.2 cm · rounded up · 1.8 mm to spare |
| Skechers size chart (opens the brand’s site) | — | US 7EU 37 · UK 4From the standard US 7 · rounded up | — |
| SOREL size chart (opens the brand’s site) | — | US 6EU 37 · UK 4SOREL’s chart: foot up to 23.1 cm · 1.0 mm to spare | US 5EU 37 · UK 4SOREL’s chart: foot up to 23.1 cm · 1.0 mm to spare |
| Teva size chart (opens the brand’s site) | US 4.5EU 36 · UK 3.5Teva’s chart: foot up to 23.1 cm · 1.1 mm to spare | US 6EU 37 · UK 4Teva’s chart: foot up to 23.1 cm · 1.1 mm to spare | — |
| Timberland size chart (opens the brand’s site) | US 4.5EU 37 · UK 4Timberland’s chart: foot up to 23.0 cm · no room to spare | US 6EU 37 · UK 4Timberland’s chart: foot up to 23.0 cm · no room to spare | US 5EU 37.5 · UK 4.5Timberland’s chart: foot up to 23.0 cm · no room to spare |
| UGG size chart (opens the brand’s site) | US 5EU 38 · UK 4UGG’s chart: foot up to 23.1 cm · 1.1 mm to spare | US 6EU 37 · UK 4UGG’s chart: foot up to 23.1 cm · 1.1 mm to spare | US 5KEU 37 · UK 4UGG’s chart: foot up to 23.5 cm · 5.1 mm to spare |
| Under Armour size chart (opens the brand’s site) | — | US 5.5EU 36 · UK 3.5Under Armour’s chart: foot up to 23.0 cm · no room to spare | US 4EU 36 · UK 3.5Under Armour’s chart: foot up to 23.0 cm · no room to spare |
| Vans size chart (opens the brand’s site) | EU 36.5UK 4Vans’ chart: foot up to 23.0 cm · no room to spare | EU 36.5UK 4 · US 6.5Vans’ chart: foot up to 23.0 cm · no room to spare | EU 36.5UK 4 · US 5Vans’ chart: foot up to 23.0 cm · no room to spare |
| Veja size chart (opens the brand’s site) | EU 37UK 4 · US W6Veja’s chart: foot up to 23.3 cm · 3.0 mm to spare | EU 37UK 4Veja’s chart: foot up to 23.3 cm · 3.0 mm to spare | — |
| Woodland size chart (opens the brand’s site) | — | UK 5EU 38 · US 7From the standard US 7 · rounded up | — |
| Zara size chart (opens the brand’s site) | — | US 6EU 36 · UK 3Zara’s chart: foot up to 23.4 cm · 4.0 mm 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.