UK to US Shoe Size

The following lists the conversion of UK shoe sizes to US shoe sizes for different groups, including women, men, big kids, young kids, toddlers and babies. For each group, you can see the conversion of every shoe size from the UK shoe size system to the US shoe size system, you can also see the length of each shoe size in inches, cm and millimeters.

(UK to US Conversion) Womens' Shoe Size

UK Size US Size Inches cm mm
2 4 9 22.8 228
3 5 9.3 23.5 235
4 6 9.5 24.1 241
5 7 9.8 24.8 248
6 8 10 25.4 254
7 9 10.2 26 260
8 10 10.5 26.7 267
9 11 10.7 27.3 273

(UK to US Conversion) Mens' Shoe Size

UK Size US Size Inches cm mm
3 4 9 22.8 228
4 5 9.3 23.5 235
5 6 9.5 24.1 241
6 7 9.8 24.8 248
7 8 10 25.4 254
7.5 8.5 10.1 25.7 257
8 9 10.2 26 260
8.5 9.5 10.4 26.3 263
9 10 10.5 26.7 267
9.5 10.5 10.6 27 270
10 11 10.7 27.3 273
10.5 11.5 10.9 27.6 276
11 12 11 27.9 279
12 13 11.3 28.6 286
13 14 11.5 29.2 292

(UK to US Conversion) Big kids' Shoe Size

Age UK Size US Size Inches cm mm
8-9 years 1 2 8.1 - 8.4 20.7 - 21.3 207-213
9-11 years 1.5 2 8.3 - 8.5 21 - 21.6 210-216
9-11 years 2 3 8.4 - 8.7 21.4 - 22 214-220
10-12 years 2.5 3 8.7 - 8.9 22.1 - 22.7 221-227
10-12 years 3 3.5 8.8 - 9.1 22.4 - 23 224-230
10-12 years 3.5 4 9 - 9.2 22.8 - 23.4 228-234
11-13 years 4 4.5 9.1 - 13.3 23.1 - 23.7 231-237
11-13 years 4.5 5 9.3 - 9.5 23.5 - 24.1 235-241
12-14 years 5 5.5 9.4 - 9.6 23.8 - 24.5 238-245
12-14 years 5.5 6 9.5 - 9.8 24.2 - 24.8 242-248
13-15 years 6 6.5 9.6 - 9.9 24.5 - 25.1 245-251
13-15 years 6.5 7 9.8 - 10 24.9 - 25.5 249-255
16 years + 7 7.5 10 - 10.2 25.3 - 25.9 253-259
16 years + 7.5 8 10.1 - 10.3 25.6 - 26.2 256-262
16 years + 8 8.5 10.2 - 10.4 25.9 - 26.5 259-265
16 years + 8.5 9 10.4 - 10.6 26.3 - 26.9 263-269
16 years + 9 9.5 10.5 - 10.7 26.7 - 27.3 267-273
16 years + 9.5 10 10.6 - 10.9 27 - 27.6 270-276

(UK to US Conversion) Young kids' Shoe Size

Age UK Size US Size Inches cm mm
3 years 8 9 6 - 6.3 15.3 - 15.9 153-159
3-4 years 8.5 9.5 6.3 - 6.5 16 - 16.6 160-166
4-6 years 9 10 6.6 - 6.8 16.7 - 17.2 167-172
5-7 years 9.5 10 6.7 - 6.9 17 - 17.6 170-176
5-7 years 10 11 6.8 - 7 17.3 - 17.9 173-179
6-8 years 10.5 11 6.9 - 7.2 17.6 - 18.2 176-182
6-8 years 11 12 7.1 - 7.3 18 - 18.5 180-185
6-8 years 11.5 12 7.2 - 7.4 18.3 - 18.9 183-189
6-8 years 12 13 7.3 - 7.6 18.6 - 19.2 186-192
8-9 years 12.5 13 7.6 - 7.8 19.3 - 19.9 193-199
8-9 years 13 1 7.9 - 8.1 20 - 20.6 200-206
8-10 years 13.5 1 8 - 8.2 20.3 - 20.9 203-209
8-10 years 1 2 8.1 - 8.4 20.7 - 21.3 207-213
9-11 years 1.5 2 8.3 - 8.5 21 - 21.6 210-216
9-11 years 2 3 8.4 - 8.7 21.4 - 22 214-220
10-12 years 2.5 3 8.7 - 8.9 22.1 - 22.7 221-227
10-12 years 3 3.5 8.8 - 9.1 22.4 - 23 224-230
10-12 years 3.5 4 9 - 9.2 22.8 - 23.4 228-234
11-13 years 4 4.5 9.1 - 9.3 23.1 - 23.7 231-237
11-13 years 4.5 5 9.3 - 9.5 23.5 - 24.1 235-241

(UK to US Conversion) Toddlers' Shoe Size

Age UK Size US Size Inches cm mm
18-24 months 5 6 5.2 - 5.5 13.3 - 13.9 133-139
2 years 6 7 5.5 - 5.7 14 - 14.5 140-145
2-3 years 7 8 5.7 - 6 14.6 - 15.2 146-152
2-3 years 7.5 8 5.9 - 6.1 14.9 - 15.5 149-155
3 years 8 9 6 - 6.3 15.3 - 15.9 153-159
3-4 years 8.5 9.5 6.3 - 6.5 16 - 16.6 160-166
4-6 years 9 10 6.6 - 6.8 16.7 - 17.2 167-172
5-7 years 9.5 10 6.7 - 6.9 17 - 17.6 170-176
5-7 years 10 11 6.8 - 7 17.3 - 17.9 173-179
6-8 years 10.5 11 6.9 - 7.2 17.6 - 18.2 176-182
6-8 years 11 12 7.1 - 7.3 18 - 18.5 180-185
6-8 years 11.5 12 7.2 - 7.4 18.3 - 18.9 183-189
6-8 years 12 13 7.3 - 7.6 18.6 - 19.2 186-192
8-9 years 12.5 13 7.6 - 7.8 19.3 - 19.9 193-199

(UK to US Conversion) Baby's Shoe Size

Age UK Size US Size Inches cm mm
0-1 months - - 3.3 - 3.5 8.4 - 9 84-90
0-3 months 0 - 3.6 - 3.9 9.1 - 9.8 91-98
3-6 months 1 2 3.9 - 4.1 9.9 - 10.4 99-104
6-9 months 2 3 4.1 - 4.4 10.5 - 11.1 105-111
6-9 months 3 4 4.4 - 4.6 11.2 - 11.8 112-118
9-12 months 4 5 4.7 - 4.9 11.9 - 12.5 119-125
12-18 months 4.5 6 5 - 5.2 12.6 - 13.2 126-132
18-24 months 5 7 5.2 - 5.5 13.3 - 13.9 133-139
2 years 6 8 5.5 - 5.7 14 - 14.5 140-145

Since the shoe standards of different regions and different manufacturers are different, the above size conversion chart can only be used as a reference

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