Size Guide Birkenstock Adult
Adult Footwear Sizes
| Size |
Width |
Length (mm) |
Width (mm) |
| 2.5 |
Narrow |
216 - 220 |
81 - 84 |
| Regular |
218 - 225 |
85 - 89 |
| 3.5 |
Narrow |
221 - 226 |
83 - 86 |
| Regular |
226 - 230 |
87 - 91 |
| 4.5 |
Narrow |
227 - 232 |
84 - 89 |
| Regular |
231 - 234 |
90 - 98 |
| 5 |
Narrow |
233 - 240 |
86 - 91 |
| Regular |
235 - 242 |
92 - 100 |
| 5.5 |
Narrow |
241 - 245 |
88 - 93 |
| Regular |
243 - 247 |
94 - 102 |
| 7 |
Narrow |
246 - 252 |
90 - 95 |
| Regular |
248 - 254 |
96 - 104 |
| 7.5 |
Narrow |
253 - 260 |
91 - 96 |
| Regular |
255 - 262 |
97 - 105 |
| 8 |
Narrow |
261 - 265 |
93 - 97 |
| Regular |
263 - 267 |
98 - 107 |
| 9 |
Narrow |
266 - 272 |
95 - 100 |
| Regular |
268 - 274 |
101 - 109 |
| 9.5 |
Narrow |
273 - 280 |
97 - 102 |
| Regular |
275 - 282 |
103 - 111 |
| 10.5 |
Narrow |
281 - 287 |
99 - 104 |
| Regular |
283 - 289 |
105 - 113 |
| 11.5 |
Narrow |
288 - 295 |
101 - 106 |
| Regular |
290 - 297 |
107 - 115 |
| 12 |
Narrow |
296 - 300 |
103 - 108 |
| Regular |
298 - 302 |
109 - 117 |
