Birkenstock Size Chart

Mens / Unisex (Regular Width) 

US sizes and measurements (in mm)
Size Width Length Width
From To From To
6-6.5 Narrow 246 250 88 93
Regular 246 250 94 102
7-7.5 Narrow 251 260 90 95
Regular 251 260 96 104
8-8.5 Narrow 261 265 91 96
Regular 261 265 97 105
9-9.5 Narrow 266 270 93 97
Regular 266 270 98 107
10-10.5 Narrow 271 280 95 100
Regular 271 280 101 109
11-11.5 Narrow 281 285 97 102
Regular 281 285 103 111
12-12.5 Narrow 286 290 99 104
Regular 286 290 105 113
13-13.5 Narrow 291 300 101 106
Regular 291 300 107 115

 

Womens 

US sizes and measurements (in mm)
Size Width Length Width
From To From To
4-4.5 Narrow 221 225 81 84
Regular 221 225 85 89
5-5.5 Narrow 226 230 83 86
Regular 226 230 87 91
6-6.5 Narrow 231 240 84 89
Regular 231 240 90 98
7-7.5 Narrow 241 245 86 91
Regular 241 245 92 100
8-8.5 Narrow 246 250 88 93
Regular 246 250 94 102
9-9.5 Narrow 251 260 90 95
Regular 251 260 96 104
10-10.5 Narrow 261 265 91 96
Regular 261 265 97 105
11-11.5 Narrow 266 270 93 97
Regular 266 270 98 107
12-12.5 Narrow 271 280 95 100
Regular 271 280 101 109