Bike tires sizes

ISO sect-dia Imperial Metric American Diameter (mm) Diameter (in) Circumference (m)
40-635 28x1 1/2 700B 715 28.1 2.25
25-630 27x1 27x1 1/8 680 26.8 2.14
32-630 27x1 1/4 27x1 1/8 694 27.3 2.18
18-622 700x18C 700x20C 658 25.9 2.07
23-622 700x23C 700x25C 668 26.3 2.10
25-622 700x25C 700x28C 672 26.5 2.11
28-622 28x1 5/8x1 1/8 700x28C 700x32C 678 26.7 2.13
32-622 28x1 5/8x1 1/4 700x32C 700x35C 686 27.0 2.16
37-622 28x1 5/8x1 3/8 700x35C 696 27.4 2.19
47-622 700x47C 716 28.2 2.25
32-597 26x1 1/4 661 26.0 2.08
28-590 650x28A 646 25.4 2.03
37-590 26x1 3/8 650A 664 26.1 2.09
28-584 650x28B 640 25.2 2.01
40-584 26x1 1/2 650B 664 26.1 2.09
20-571 26x3/4 611 24.0 1.92
23-571 26x1 617 24.3 1.94
40-571 650C 651 25.6 2.05
25-559 26x1.0 609 24.0 1.91
32-559 26x1.25 623 24.5 1.96
40-559 26x1.5 639 25.2 2.01
47-559 26.175 653 25.7 2.05
50-559 26x1.9 659 25.9 2.07
57-559 26x2.125 673 26.5 2.11
28-541 600x28A 597 23.5 1.88
37-541 600x35A 615 24.2 1.93
32-540 24x1 3/8 604 23.8 1.90
28-520 24x1 1/8 576 22.6 1.81
37-507 24x1.5 581 22.9 1.83
47-507 24x1.75 601 23.7 1.89
37-501 22x1 3/8 575 22.6 1.81
37-489 22x1 3/8 563 22.2 1.77
28-451 20x1 1/8 507 20.0 1.59
35-451 20x1 3/8 521 20.5 1.64
28-440 500x28A 496 19.5 1.56
32-440 500A 504 19.8 1.58
28-406 20x1 1/8 462 18.2 1.45
37-406 20x1.5 480 18.9 1.51
47-406 20x1.75 500 19.7 1.57
54-406 20x2.0 514 20.2 1.61
32-369 17x1 1/4 433 17.0 1.36
28-355 18x1 1/8 411 16.2 1.29
40-355 18x1.5 435 17.1 1.37
47-355 18x1.75 449 17.7 1.41
37-349 16x1 3/8 423 16.7 1.33
32-340 400A 404 15.9 1.27
37-340 400x35A 414 16.3 1.30
47-305 16x1.75x2 399 15.7 1.25
47-203 12x1.75 297 11.7 0.93