ᐅ UK to US shoe size: Conversion Charts for Women, Men & Kids

Buying shoes always seem easy, until you realize that there are so many different considerations to think about. The sizing differences also make it even more challenging – take for example, that the UK and US actually uses different sizing standards. The UK measures sizes in centimetres while US sizing is based on inches. Despite both standards being widely used globally, you still need to be cautious when converting one from the other to ensure that you’re getting the right sizes. Use the guide below to help you convert UK to US shoe sizes easily.

Find out more about shoe sizes here.

US to UK Shoe Size Chart Men

Men’s shoe sizes in the UK starts with a size 0 equivalent to 19.4 cm (7 ⅔ inches). This goes up to UK size 15 which is 32.1 cm (12 ⅔ inches).  In US sizes, this converts to a size that starts with a US size 0.5 until a size 15.5. The easiest way to instantly convert your UK size to a US size is by adding a .5 size up your UK size or use the chart below.

Foot Length (Inches)US Men'sUK Men's
7 2 ⁄ 30.50
7 5 ⁄ 610.5
81.51
8 1 ⁄ 621.5
8 1 ⁄ 32.52
8 1 ⁄ 232.5
8 2 ⁄ 33.53
8 5 ⁄ 643.5
94.54
9 1 ⁄ 654.5
9 1 ⁄ 35.55
9 1 ⁄ 265.5
9 2 ⁄ 36.56
9 5 ⁄ 676.5
107.57
10 1 ⁄ 687.5
10 1 ⁄ 38.58
10 1 ⁄ 298.5
10 2 ⁄ 39.59
10 5 ⁄ 6109.5
1110.510
11 1 ⁄ 61110.5
11 1 ⁄ 311.511
11 1 ⁄ 21211.5
11 2 ⁄ 312.512
11 5 ⁄ 61312.5
1213.513
12 1 ⁄ 61413.5
12 1 ⁄ 314.514
12 1 ⁄ 21514.5
12 2 ⁄ 315.515

US to UK Womens Shoe Size Chart

To convert UK womens size to US size, remember that the UK sizes, like men’s, runs smaller than its US size counterpart. A UK 4.5, for example, is a size 6.5 in the US sizing measuring 23.2 cm (9 ⅙ inches). UK shoe sizes for adult women usually start with a size 0 which is equivalent to 19.4 cm (7 ⅔ inches) and it goes up to UK womens size 15, which measures 32.2 cm (12 ⅔ inches). In US sizing, women’s sizes starts with a size 2, 2.5, 3, 3.5 and so on up to a size 17. To easily convert a UK size to a US size, just add 2 to your existing size.

Use the chart below to convert UK womens sizes to US sizes.

Foot Length (Inches)US Women'sUK Women's
7 2 ⁄ 320
7 5 ⁄ 62.50.5
831
8 1 ⁄ 63.51.5
8 1 ⁄ 342
8 1 ⁄ 24.52.5
8 2 ⁄ 353
8 5 ⁄ 65.53.5
964
9 1 ⁄ 66.54.5
9 1 ⁄ 375
9 1 ⁄ 27.55.5
9 2 ⁄ 386
9 5 ⁄ 68.56.5
1097
10 1 ⁄ 69.57.5
10 1 ⁄ 3108
10 1 ⁄ 210.58.5
10 2 ⁄ 3119
10 5 ⁄ 611.59.5
111210
11 1 ⁄ 612.510.5
11 1 ⁄ 31311
11 1 ⁄ 213.511.5
11 2 ⁄ 31412
11 5 ⁄ 614.512.5
121513
12 1 ⁄ 615.513.5
12 1 ⁄ 31614
12 1 ⁄ 216.514.5
12 2 ⁄ 31715

Kids Shoe Size Chart

UK shoe sizes for kids less than 6 years old usually starts with a size 0 as the smallest or 8.89 cm (3 ½ inches) until size 5.5, which is 24.7 cm (9 ¾ inches) length. In US sizing, however, kids sizes start with a US size 0.5 until 13.5 which measures 19 cm (7 ½ inches). Bigger kids sizes starts with a 1Y which measures 19.4 cm 97 ⅝ inches), which in UK sizes is equals to UK size 13.5. This goes up to a 6Y with half sizes offered in between. Note, however, that a youth size 13.5 is already a size 1 in adults sizing.

Foot length (Inches)US SizeUK Size
3 1/20.50
3 5/810.5
3 7/81.51
421.5
4 1/82.52
4 3/832.5
4 1/23.53
4 3/443.5
4 7/84.54
554.5
5 1/85.55
5 1/465.5
5 1/26.56
5 5/876.5
5 3/47.57
687.5
6 1/88.58
6 1/498.5
6 3/89.59
6 5/8109.5
6 3/410.510
6 7/81110.5
711.511
7 1/81211.5
7 1/412.512
7 3/81312.5
7 1/213.513
7 5/81Y13.5
7 7/81.5Y1
82Y1.5
8 1/42.5Y2
8 3/83Y2.5
8 1/23.5Y3
8 5/84Y3.5
8 7/84.5Y4
95Y4.5
9 1/45.5Y5
9 3/46Y5.5

UK to US Shoe Size Chart

UK Shoe Size to US

UK to US Shoe SIze Chart

Understanding UK Shoe Sizes

The UK standard is considered to be the oldest used shoe sizing metric in the world, dating back to as early as 1324 when it was made the standard English shoe measurement by King Edward II. The British shoe size standard is based on the measurement of the ‘shoe last’ which is typically made of wood, but could also be from other materials. This shoe frame measures 13 to 17 mm more than the natural shoe size from heel to toe.

Under the UK standard, there is a distinction between adult and children’s shoe sizes. Men and women also have specified measurements. The UK shoe size standard only considers the length of the foot, but not the width. Each size in UK shoe sizing has a 8.46 mm (or one-third of an inch) difference. The half-sizes (4.23 mm) difference were per pair were introduced in 1880 to ensure better fit.

Generally, the UK’s shoes sizing standard is also used in Australia. Other countries such as the US, China, Japan, and even other European country like France also uses their own shoe size standard.

US sizes meanwhile follow the English sizes but sizes starts one size up. A UK men’s size 6 for example, is equivalent to a US size 6.5, both sizes measuring 24.5 cm (9 ⅔ inches). Similarly, a UK women’s size 3 is a US womens size 5.

Converting UK to US: How does it work?

The easiest, most convenient way to convert your UK shoe size to US shoe size is to remember first and foremost that UK sizes runs smaller in tag compared to its US shoe size counterpart.

To convert a UK mens size to US size, simply add a half size (.5) to your existing UK shoe size. For example, a UK shoe size 8 is a US 8.5 measuring 26.2 cm (10 ⅓ inches).

To convert UK womens size, to its equivalent US size, just add two (2) sizes up to your existing UK size. In this case, a UK womens shoe size 6.5 is a US 8.5 or 24.9 cm (9 ⅚ inches).

For children shoes. To get your US shoe size, also add a size up or .5 to your current UK shoe size to get the US size. For example, a size 2 in UK children’s shoes, will be a US 2.5 which is 10.47 cm (4 ⅛ inches).

More about shoe size conversion can be found here.

FAQ

What is a Size 8 Shoe in US?

To know what is a size 8 shoe in US will depend if you are a man or a woman. For man, a size 8 shoe in US is approximately a UK size 7.5 measuring 25.8 cm (10 ⅙ inches). For women, a size 8 in US is a UK shoe size 6 which measures 24.5 cm (9 ⅔ inches).

Again, these are mere approximates and sizing may differ depending on the manufacturer and the brand of shoes. In UK sizing, it would also depend on the actual size of the ‘wooden last’ used or whether the manufacturers used their own sizing standard.

What is My Shoe Size in US?

Finding what your shoe size in US will depend on the sizing standard of your current shoe size. For US sizes, to convert your shoe size to UK (for men), simply go down by half a size (.5) from your existing US shoe size (e.g. US 6.5 is UK 6); for women, go down two sizes from your existing US shoe size to get the UK size (e.g. US 6.5 is UK 4.5).

If you are using Euro sizes, for both men and women, to find your shoe size in UK, simply subtract 33 to your current Euro shoe size to get your shoe size in UK. For example, a Euro shoe size 38 in womens  is a UK shoe size 5 in womens. A men’s Euro size 40 is a UK size 7.

Be sure to check with individual shoe manufacturers the kind of shoe standard they are using to be sure.