WITHIN · SIZES · Updated 10 October 2026
UK 4.5 in US shoe sizes, for men and women
What UK 4.5 is in US sizes for men and for women, and what 15 makers' own charts print at UK 4.5.
- Main chart: Nike, read 9 October 2026
- Charts compared: 20 charts from 15 makers
- Read: 8 September 2026 to 10 October 2026
UK 4.5 in every system
Men's shoe sizes
| US men | US women | UK | EU | Japan (box label) (cm) | Foot length (cm) | Foot length (in) |
|---|---|---|---|---|---|---|
| 5 | 6.5 | 4.5 | 37.5 | 23.5 | 22.9 | 9 |
- On Nike's charts a US women's size is 1.5 more than the US men's size. A men's 7 is a women's 8.5.
- Nike prints UK 6 for both a US men's 6.5 and a US men's 7, and some Japanese sizes twice, as shown.
Source: Nike (nike.com), read 9 October 2026.
Women's shoe sizes
| US women | US men | UK | EU | Japan (box label) (cm) | Foot length (cm) | Foot length (in) |
|---|---|---|---|---|---|---|
| 7 | 5.5 | 4.5 | 38 | 24 | 23.7 | 9 5/16 |
- Nike's two charts give slightly different foot lengths for the same shoe. A women's 8.5 is 25 cm on the women's chart. The same shoe, a men's 7, is 24.5 cm on the men's chart.
Source: Nike (nike.com), read 9 October 2026.
UK 4.5 at each maker
Of the 9 makers whose charts print UK 4.5 with a men's US size, 6 say US 5, 2 US 5.5 and 1 US 4.5.
Among the 15 that print UK 4.5 with a women's US size, 6 say US 6.5, 3 US 6, 3 US 7 and 3 more give other sizes.
- Men's US 4.5 at Converse
- Men's US 5 at Nike, Hoka, Salomon, Timberland, adidas and New Balance
- Men's US 5.5 at Valentino and ASICS
- Women's US 6 at Hoka, Salomon and adidas
- Women's US 6.5 at Veja, Converse, On, Timberland, New Balance and ASICS
- Women's US 7 at Nike, Kith and Vans
- Women's US 7.5 at Maison Margiela, MM6 Maison Margiela and Valentino
| Maker | US men's | US women's | EU | Japan (cm) | Foot length (cm) | Chart | Source |
|---|---|---|---|---|---|---|---|
| adidas | 5 | 37 1/3 | 22.9 | adidas men's shoes | adidas, 8 September 2026 | ||
| adidas | 6 | 37 1/3 | 22.9 | adidas women's shoes | adidas, 8 September 2026 | ||
| ASICS | 5.5 | 38 | ASICS men's shoes | ASICS, 8 September 2026 | |||
| ASICS | 6.5 | 37.5 | ASICS women's shoes | ASICS, 8 September 2026 | |||
| Converse | 4.5 | 6.5 | 37 | 23.5 | Converse Chuck Taylor All Star and Chuck 70 sizes | Converse, 10 October 2026 | |
| Hoka | 5 | 6 | 37 1/3 women's, 36 2/3 men's | 23 | Hoka shoe sizes | END., 9 October 2026 | |
| Kith | 7 | 37.5 | 23 | Kith women's shoe sizes | Kith, 9 October 2026 | ||
| Maison Margiela | 7.5 | 37.5 | 24.5 | 24.3 | Maison Margiela women's Tabi ankle boots | Maison Margiela, 10 October 2026 | |
| MM6 Maison Margiela | 7.5 | 37.5 | 24.5 | MM6 women's sneakers | MM6 Maison Margiela, 10 October 2026 | ||
| New Balance | 5 | 37.5 | 23 | New Balance men's shoes | New Balance, 8 September 2026 | ||
| New Balance | 6.5 | 37 | 23.5 | New Balance women's shoes | New Balance, 8 September 2026 | ||
| Nike | 5 | 37.5 | 23.5 | 22.9 | Men's shoe sizes | Nike, 9 October 2026 | |
| Nike | 7 | 38 | 24 | 23.7 | Women's shoe sizes | Nike, 9 October 2026 | |
| On | 6.5 | 37.5 | 23.5 | On women's shoe sizes | On, 10 October 2026 | ||
| Salomon | 5 | 6 | 37 1/3 | 23 | Salomon men's and women's shoe sizes, from END. | END., 10 October 2026 | |
| Timberland | 5 | 6.5 | 37.5 | 23.5 | Timberland shoe sizes, from END. | END., 10 October 2026 | |
| Valentino | 5.5 | 38.5 | 23.5 | 24.6 | Valentino men's shoes | Valentino, 10 October 2026 | |
| Valentino | 7.5 | 37.5 | 24.5 | 24.3 | Valentino women's shoes | Valentino, 10 October 2026 | |
| Vans | 7 | 37 | 23.5 | 23.5 | Vans shoe sizes | Vans, 10 October 2026 | |
| Veja | 6.5 | 37.5 | 23.5 | 23.7 | Veja Campo sizes | Veja, 9 October 2026 |
Foot length and how to measure
On Nike's charts, UK 4.5 fits a foot 22.9 cm long on the men's chart and 23.7 cm on the women's.
Where a maker prints a foot length for UK 4.5, it runs from 22.9 cm at Nike to 24.6 cm at Valentino.
To measure, stand on a sheet of paper, mark your heel and the tip of your longest toe, and measure between the marks. Do both feet and use the longer one.
The sizes either side
Shop in your size
Every piece on within shows the size its boutique printed and how many are left in it.
Each maker's full size chart
More on sizing
- Designer shoe sizes: what runs small, with each maker's own chart
- Shoe construction: what resoles and what will not
- How designer sizing runs, brand by brand
- What a 38 is, and whether designer shoes run big or small
- Guidi sizing: which boots fit one size smaller
- Tabi sizing and how to measure for Margiela boots
The full chart
Sources
- Nike: Nike men's shoe sizes in US men's, US women's, UK, EU and Japanese sizes with foot length in cm and inches, and how to measure a foot. nike.com, read 9 October 2026.
- Nike: Nike women's shoe sizes in US women's, US men's, UK, EU and Japanese sizes with foot length in cm and inches. nike.com, read 9 October 2026.
- Kith: Kith's footwear size chart: men's and women's US, UK, EU and JP sizes, and women's to men's sizes. kith.com, read 9 October 2026.
- END.: END.'s Hoka shoe chart: US men's and women's, UK and EU sizes with foot length in cm, and its advice for between sizes. endclothing.com, read 9 October 2026.
- Veja: Veja's size guide: a chart for each model in US, EU, UK and JP sizes with foot length in cm and inches, and its advice on sizing up or down. veja-store.com, read 9 October 2026.
- Maison Margiela: Size guide on a women's Tabi ankle boot page: EU sizes 35 to 42 against US, UK, Japan and Korea, with foot length. maisonmargiela.com, read 10 October 2026.
- MM6 Maison Margiela: Size guide on a women's Anatomic sneaker page: EU sizes 35 to 42 against US, UK, Japan and Korea, with foot length. maisonmargiela.com, read 10 October 2026.
- Valentino: Valentino's own men's size guide: shoes with foot length, clothes with chest, waist and hips, and belts in centimetres and inches. valentino.com, read 10 October 2026.
- Valentino: Valentino's own women's size guide: shoes with foot length, clothes with bust, waist and hips, and belts. valentino.com, read 10 October 2026.
- END.: END.'s size guide on its Salomon XT-6 page: UK, US men's, US women's, EU and Japan. endclothing.com, read 10 October 2026.
- Converse: Chuck Taylor All Star and Chuck 70 size chart: US men's, US women's, UK, EU and foot length in cm and inches, and the run large note. converse.com, read 10 October 2026.
- Vans: Unisex shoe chart: US men's, US women's, US boys', UK, EU, Japan and foot length in cm. vans.com, read 10 October 2026.
- On: Women's shoe size guide on the Cloudrunner 3 Max page: US, UK, EU, Japan, Mexico and Brazil sizes, and the fit line. on.com, read 10 October 2026.
- END.: END.'s size guide on its Timberland 6 inch Premium Boot page: UK, US men's, US women's, EU and foot length in cm. endclothing.com, read 10 October 2026.
- adidas: adidas's own shoes chart with foot length. adidas.com, read 8 September 2026.
- New Balance: New Balance's own shoes chart with foot length. newbalance.com, read 8 September 2026.
- ASICS: ASICS's own shoes chart, labels only. asics.com, read 8 September 2026.