DIAMETER, ROLLOUT (CIRCUMFERENCE) AND REVOLUTIONS PER MILE CHART

Below is a chart to assist in vehicle drive-train calculations.

Diameter	Rollout	Revs/Mile*
17.5	55.0	1222
18	56.5	1186
18.5	58.1	1152
19	59.7	1120
19.5	61.3	1090
20	62.8	1061
22	69.1	960
22.5	70.7	938
23	72.3	917
23.5	73.8	896
24	75.4	877
24.5	77.0	858
25	78.5	840
25.5	80.1	823
26	81.7	807
26.5	83.3	791
27	84.8	776
27.5	86.4	761
28	88.0	747
28.5	89.5	733
29	91.1	720
29.5	92.7	708
30	94.2	695
30.5	95.8	684
31	97.4	672
31.5	99.0	661
32	100.5	651
32.5	102.1	640
33	103.7	630
33.5	105.2	621
34	106.8	611
34.5	108.4	602
35	110.0	593
35.5	111.5	585
36	113.1	576
36.5	114.7	568
37	116.2	560
37.5	117.8	553
38	119.4	545
38.5	121.0	538
39.5	124.1	524
40	125.7	517
45.5	142.9	453
46	144.5	448
53	166.5	388
53.5	168.1	384
54	169.6	381

*Based on approximate loaded radius.

This is Mickey Thompson General Technical Bulletin #3.
Revised 8/15/17
For more information regarding Mickey Thompson Performance Products
Website: mickeythompsontires.com
E-mail: tech@mickeythompsontires.com
Phone: 330.928.9092