Tire Size Chart
| Tire Size |
Circumference in Meters |
ISO |
| 700 x 18C |
2.07 |
18-622 |
| 700 x 19C |
2.08 |
19-622 |
| 700 x 20C |
2.086 |
20-622 |
| 700 x 23C |
2.096 |
23-622 |
| 700 x 25C |
2.105 |
25-622 |
| 700C Tubular |
2.13 |
|
| 700 x 28C |
2.136 |
28-622 |
| 700 x 30C |
2.146 |
30-622 |
| 700 x 32C |
2.155 |
32-622 |
| 700 x 35C |
2.168 |
35-622 |
| 700 x 38C |
2.18 |
38-622 |
| 700 x 40C |
2.2 |
40-622 |
| 700 x 44C |
2.235 |
44-622 |
| 700 x 45C |
2.242 |
45-622 |
| 700 x 47C |
2.268 |
47-622 |
| 650 x 20C |
1.938 |
20-571 |
| 650 x 23C |
1.944 |
23-571 |
| 650 x 35A |
2.09 |
37-590 |
| 650 x 38B |
2.105 |
40-584 |
| 650 x 38A |
2.125 |
40-590 |
| 12" x 1.75" |
0.935 |
47-203 |
| 12" x 1.95" |
0.94 |
54-203 |
| 14" x 1.50" |
1.02 |
40-254 |
| 14" x 1.75" |
1.055 |
47-254 |
| 16" x 1.50" |
1.185 |
40-305 |
| 16" x 1.75" |
1.195 |
47-305 |
| 16" x 2.00" |
1.245 |
54-305 |
| 16" x 1-1/8" |
1.29 |
28-349 |
| 16" x 1-3/8" |
1.3 |
37-349 |
| 18" x 1.50" |
1.34 |
40-355 |
| 18" x 1.75" |
1.35 |
47-355 |
| 20" x 1.25" |
1.45 |
32-406 |
| 20" x 1.35" |
1.46 |
35-406 |
| 20" x 1.50" |
1.49 |
40-406 |
| 20" x 1.75" |
1.515 |
47-406 |
| 20" x 1.95" |
1.565 |
50-406 |
| 20" x 1-1/8" |
1.545 |
28-451 |
| 20" x 1-3/8" |
1.615 |
37-451 |
| 22" x 1-3/8" |
1.77 |
37-501 |
| 22" x 1-1/2" |
1.785 |
40-501 |
| 24" x 3/4" Tubular |
1.785 |
|
| 24" x 1" |
1.753 |
25-520 |
| 24" x 1-1/8" |
1.795 |
28-540 |
| 24" x 1-1/4" |
1.905 |
32-540 |
| 24" x 1.75" |
1.89 |
47-507 |
| 24" x 2.00" |
1.925 |
50-507 |
| 24" x 2.125" |
1.965 |
54-507 |
| 26" x 7/8" Tubular |
1.92 |
|
| 26" x 1.25" |
1.95 |
32-559 |
| 26" x 1.40" |
2.005 |
37-559 |
| 26" x 1.50" |
2.01 |
40-559 |
| 26" x 1.75" |
2.023 |
47-559 |
| 26" x 1.95" |
2.05 |
50-559 |
| 26" x 2.00" |
2.055 |
52-559 |
| 26" x 2.1" |
2.068 |
54-559 |
| 26" x 2.125" |
2.07 |
57-559 |
| 26" x 2.35" |
2.083 |
58-559 |
| 26" x 3.00" |
2.17 |
75-559 |
| 26" x 1-1.0" |
1.913 |
25-559 |
| 26" x 1" |
1.952 |
25-571 |
| 26" x 1-1/8" |
1.97 |
28-590 |
| 26" x 1-3/8" |
2.068 |
37-590 |
| 26" x 1-1/2" |
2.1 |
37-584 |
| 27" x 1" |
2.145 |
25-630 |
| 27" x 1-1/8" |
2.155 |
28-630 |
| 27" x 1-1/4" |
2.161 |
32-630 |
| 27" x 1-3/8" |
2.169 |
37-630 |
| 27.5" x 1.50" |
2.079 |
40-584 |
| 27.5" x 1.95" |
2.09 |
50-584 |
| 27.5" x 2.10" |
2.148 |
54-584 |
| 27.5" x 2.25" |
2.182 |
57-584 |
| 29" x 2.25" |
2.281 |
58-622 |
| 29" x 2.1" |
2.288 |
54-622 |
| 29" x 2.2" |
2.298 |
56-622 |
| 29" x 2.3" |
2.326 |
60-622 |
