Shoe size for a 21.5 cm foot
A 21.5 cm foot (215 mm, 8.46 in) is a men’s US 3.5, a women’s US 5, UK 2.5 and EU 34.5.
In Mondopoint and Japanese sizes that’s Mondopoint 215 and Japan 21.5. For kids it’s a kids’ US 3.5Y, a big kid size.
Try another length
Every size system for a 21.5 cm foot
| System | Men’s | Women’s | Kids |
|---|---|---|---|
| US | 3.5 | 5 | 3.5Y |
| UK | 2.5 | 2.5 | 2.5 |
| EU | 34.5 | 34.5 | 34.5 |
| Mondopoint (mm) | 215 | 215 | 215 |
| Japan (cm) | 21.5 | 21.5 | 21.5 |
| India (UK sizes) | 2.5 | 2.5 | 2.5 |
| Australia and NZ | 2.5 | 5 | 2.5 |
| South Korea (mm) | 215 | 215 | 215 |
| China (mm) | 215 | 215 | 215 |
| Mexico (cm) | 21.5 | 21.5 | 21.5 |
| Brazil | 33 | 33 | 33 |
| Argentina, Uruguay, Paraguay | 34 | 34 | 34 |
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 21.5 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 |
|---|---|---|
| 33.5 | 20.7 cm | 21.0 cm |
| 34 | 21.0 cm | 21.3 cm |
| 34.5 (this foot) | 21.3 cm | 21.7 cm |
| 35 | 21.7 cm | 22.0 cm |
| 35.5 | 22.0 cm | 22.3 cm |
Room left in EU 34.5: 1.7 mm
UK
| Size | Fits feet over | Up to |
|---|---|---|
| 1.5 | 20.3 cm | 20.7 cm |
| 2 | 20.7 cm | 21.2 cm |
| 2.5 (this foot) | 21.2 cm | 21.6 cm |
| 3 | 21.6 cm | 22.0 cm |
| 3.5 | 22.0 cm | 22.4 cm |
Room left in UK 2.5: 0.9 mm
Japan
| Size | Fits feet over | Up to |
|---|---|---|
| 20.5 | 20.0 cm | 20.5 cm |
| 21 | 20.5 cm | 21.0 cm |
| 21.5 (this foot) | 21.0 cm | 21.5 cm |
| 22 | 21.5 cm | 22.0 cm |
| 22.5 | 22.0 cm | 22.5 cm |
How common is a 21.5 cm foot?
In the US Army’s 2012 ANSUR II survey, which measured adults’ feet to the millimetre, 100% of men (4,082 of 4,082) and 100% of women (1,980 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 21.5 cm foot in 39 brands
Brands don’t agree at this length: their own charts put a 21.5 cm foot anywhere from men’s US 3 (Teva) to US 4 (Crocs, Dr. Martens, HEYDUDE and 1 more). Check the brand you’re buying below.
Room in the shoe: of the 18 brands that give foot lengths, UGG leaves the most, 6.0 mm. Three brands’ sizes end exactly at 21.5 cm, so a foot any longer needs another size: New Balance US 4 (to 22.0 cm), Salomon US 5.5 (to 22.0 cm) and Vans 35 (to 22.0 cm).
| Brand | Men’s | Women’s | Kids |
|---|---|---|---|
| adidas size chart (opens the brand’s site) | — | — | US 3.5EU 35.5 · UK 3adidas’ chart: foot up to 21.6 cm · 1.0 mm to spare |
| Allbirds size chart (opens the brand’s site) | — | US 5UK 2 - 2.5From the standard US 5 | — |
| ANTA size chart (opens the brand’s site) | — | — | US 2.5YEU 34 · UK 2ANTA’s chart: foot up to 21.5 cm · no room to spare |
| ASICS size chart (opens the brand’s site) | — | US 5EU 35.5 · UK 3From the standard US 5 | — |
| Bata size chart (opens the brand’s site) | — | EU 35UK 2.5From the standard UK 2.5 | — |
| Birkenstock size chart (opens the brand’s site) | — | — | EU 34UK 2 · US 3-3.5Birkenstock’s chart: foot up to 22.0 cm · 5.0 mm to spare |
| Bombas size chart (opens the brand’s site) | — | 5EU 35.5 · UK 3 · US 4.5-5Bombas’ chart: foot up to 22.0 cm · 5.0 mm to spare | — |
| Brooks size chart (opens the brand’s site) | US 3.5EU 35.5 · UK 2.5From the standard US 3.5 | US 5EU 35.5 · UK 3From the standard US 5 | — |
| Campus size chart (opens the brand’s site) | — | UK 4EU 37 · US 5From the standard US 5 | UK 3EU 35.5 · US 4Campus’ chart: foot up to 22.2 cm · 7.0 mm to spare |
| Clarks size chart (opens the brand’s site) | — | — | UK 3EU 35.5 · US 3.5Clarks’ chart: foot up to 21.9 cm · rounded up · 4.0 mm to spare |
| Converse size chart (opens the brand’s site) | US 3.5EU 36From the standard US 3.5 | US 5EU 35 · UK 3From the standard US 5 | US 3.5YEU 35.5 · UK 3From the standard US 3.5Y |
| Crocs size chart (opens the brand’s site) | M4/W6EU 36-37 · UK 3 · US 4Crocs’ chart: foot up to 22.0 cm · 5.0 mm to spare | US 6EU 36-37 · UK 4Crocs’ chart: foot up to 22.0 cm · 5.0 mm to spare | US J3EU 31-32 · UK 3Crocs’ chart: foot up to 21.7 cm · 2.0 mm to spare |
| Dr. Martens size chart (opens the brand’s site) | UK 3EU 36 · US 4Dr. Martens’ chart: foot up to 22.0 cm · 5.0 mm to spare | UK 3EU 36 · US 5Dr. Martens’ chart: foot up to 22.0 cm · 5.0 mm to spare | — |
| Fila size chart (opens the brand’s site) | — | UK 3EU 36 · US 4Fila’s chart: foot up to 22.0 cm · 5.0 mm to spare | — |
| Gucci size chart (opens the brand’s site) | — | EU 34UK 1Gucci’s chart: foot up to 21.8 cm · 3.0 mm to spare | — |
| HEYDUDE size chart (opens the brand’s site) | US 4EU 37HEYDUDE’s chart: foot up to 22.0 cm · 5.0 mm to spare | US 5EU 36HEYDUDE’s chart: foot up to 22.0 cm · 5.0 mm to spare | — |
| HOKA size chart (opens the brand’s site) | — | — | US 3.5YHOKA’s chart: foot up to 22.0 cm · 5.0 mm to spare |
| Jordan size chart (opens the brand’s site) | US 3.5EU 35.5 · UK 3Jordan’s chart: foot up to 21.6 cm · 1.0 mm to spare | US 4.5EU 35 · UK 2Jordan’s chart: foot up to 21.6 cm · 1.0 mm to spare | US 3YEU 35 · UK 2.5Jordan’s chart: foot up to 21.8 cm · rounded up · 3.0 mm to spare |
| KEEN size chart (opens the brand’s site) | — | US 5EU 35 · UK 2.5KEEN’s chart: foot up to 21.6 cm · 1.0 mm to spare | US 3EU 35 · UK 2KEEN’s chart: foot up to 21.6 cm · 1.0 mm to spare |
| Liberty size chart (opens the brand’s site) | — | UK 2EU 34 · US 3Liberty’s chart: foot up to 21.7 cm · 2.0 mm to spare | — |
| Merrell size chart (opens the brand’s site) | — | US 5EU 35 · UK 2.5From the standard US 5 | US 2.5EU 34 · UK 1.5Merrell’s chart: foot up to 21.5 cm · no room to spare |
| New Balance size chart (opens the brand’s site) | US 3.5EU 35.5 · UK 3New Balance’s chart: foot up to 21.5 cm · no room to spare | US 4.5EU 34.5 · UK 2.5New Balance’s chart: foot up to 21.5 cm · no room to spare | US 3.5EU 35.5 · UK 3New Balance’s chart: foot up to 21.5 cm · no room to spare |
| Nike size chart (opens the brand’s site) | US 3.5EU 35.5 · UK 3Nike’s chart: foot up to 21.6 cm · 1.0 mm to spare | US 4.5EU 35 · UK 2Nike’s chart: foot up to 21.6 cm · 1.0 mm to spare | US 3YEU 35 · UK 2.5Nike’s chart: foot up to 21.8 cm · rounded up · 3.0 mm to spare |
| On size chart (opens the brand’s site) | — | US 5EU 36 · UK 3From the standard US 5 | US 3.5YEU 35.5 · UK 3YOn’s chart: foot up to 21.6 cm · rounded up · 1.0 mm to spare |
| Onitsuka Tiger size chart (opens the brand’s site) | — | US 5EU 35.5 · UK 3From the standard US 5 | — |
| PUMA size chart (opens the brand’s site) | — | — | US 3EU 34.5 · UK 2From the standard EU 34.5 |
| Red Tape size chart (opens the brand’s site) | — | UK 3EU 36 · US 5From the standard US 5 | — |
| Reebok size chart (opens the brand’s site) | — | US 5Reebok’s chart: foot up to 21.6 cm · 0.9 mm to spare | — |
| Salomon size chart (opens the brand’s site) | — | US 5EU 36 · UK 3.5Salomon’s chart: foot up to 21.5 cm · no room to spare | EU 35UK 2.5 · US 3Salomon’s chart: foot up to 21.5 cm · no room to spare |
| Saucony size chart (opens the brand’s site) | — | — | 2 Big KidsEU 33.5 · UK 1 · US 2Saucony’s chart: foot up to 21.9 cm · 4.1 mm to spare |
| Skechers size chart (opens the brand’s site) | — | US 5EU 35 · UK 2From the standard US 5 | — |
| SOREL size chart (opens the brand’s site) | — | — | US 4EU 35 · UK 3SOREL’s chart: foot up to 22.2 cm · 7.0 mm to spare |
| Teva size chart (opens the brand’s site) | US 3EU 34 · UK 2Teva’s chart: foot up to 21.6 cm · 0.9 mm to spare | US 4.5EU 35.5 · UK 2.5Teva’s chart: foot up to 21.6 cm · 0.9 mm to spare | — |
| Timberland size chart (opens the brand’s site) | — | US 5EU 35.5 · UK 3Timberland’s chart: foot up to 22.0 cm · 5.0 mm to spare | US 3EU 35 · UK 2.5Timberland’s chart: foot up to 21.5 cm · no room to spare |
| UGG size chart (opens the brand’s site) | US 4EU 37 · UK 3UGG’s chart: foot up to 22.1 cm · 6.0 mm to spare | — | US 3KEU 35 · UK 2UGG’s chart: foot up to 21.8 cm · 3.1 mm to spare |
| Under Armour size chart (opens the brand’s site) | — | — | US 2.5EU 34 · UK 2Under Armour’s chart: foot up to 21.5 cm · no room to spare |
| Vans size chart (opens the brand’s site) | EU 34.5UK 2.5Vans’ chart: foot up to 21.5 cm · no room to spare | EU 34.5UK 2.5 · US 5Vans’ chart: foot up to 21.5 cm · no room to spare | EU 34.5UK 2.5 · US 3.5Vans’ chart: foot up to 21.5 cm · no room to spare |
| Veja size chart (opens the brand’s site) | EU 35UK 2 · US W4Veja’s chart: foot up to 22.0 cm · 5.0 mm to spare | EU 35UK 2Veja’s chart: foot up to 22.0 cm · 5.0 mm to spare | — |
| Woodland size chart (opens the brand’s site) | — | UK 3EU 36 · US 5From the standard US 5 | — |
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.