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 |
This is Dick Cepek General Technical Bulletin #3. Revised 8/15/17 For more information regarding Dick Cepek Performance Products Website: dickcepek.com E-mail: [email protected] Phone: 330.928.9092