MM INCH US UK EU JAPAN
206 - 214 81⁄8 - 83⁄8 3 2 34 21
215 - 223 81⁄2 - 83⁄4 4 3 35/36 22
224 - 231 87⁄8 - 91⁄8 5 4 37 23
228 - 236 9 - 91⁄4 5.5 4.5 37.5 23.5
232 - 240 91⁄8 - 91⁄2 6 5 38 24
236 - 244 91⁄4 - 95⁄8 6.5 5.5 38.5 24.5
241 - 248 91⁄2 - 93⁄4 7 6 39 25
245 - 253 95⁄8 - 10 7.5 6.5 39.5 25.5
249 - 257 93⁄4 - 101⁄8 8 7 40/41 26
258 - 265 101⁄8 - 103⁄8 9 8 42 27
266 - 274 101⁄2 - 103⁄4 10 9 43 28
275 - 282 107⁄8 - 111⁄8 11 10 44/45 29
283 - 290 111⁄8 - 113⁄8 12 11 46 30
291 - 299 111⁄2 - 113⁄4 13 12 47 31
300 - 307 113⁄4 - 121⁄8 14 13 48/49 32