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How to calculate tire revolutions per mile How to calculate tire revolutions per mile Revolutions Per Mile Chart 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.
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.
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.
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.
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.
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
Tire Size Calculator Tire Size Calculator Chart for 13" Wheels
21" Tire Diameter 185/60R13 = 21.
7x7.3R13
215/50R13 = 21.5X8.5R13
225/45R13 = 21x8.9R13
225/50R13 = 21.9x8.9R13
255/40R13 = 21x10R13
22" Tire Diameter 155/80R13 = 22.8x6.1R13
175/70R13 = 22.6x6.9R13
205/60R13 = 22.7x8.1R13
22X8R13
23" Tire Diameter 165/80R13 = 23.4X6.5R13
185/70R13 = 23.2x7.3R13
24" Tire Diameter 175/80R13 = 24x6.9R13
185/80R13 = 24.7x7.3R13
24.5X8R13
24.5X9R13
Tire Size Calculator Chart for 14" Wheels
19" Tire Diameter 105/70R14 = 19.8X4.1R14
20" Tire Diameter 115/70R14 = 20.3X4.5R14
125/70R14 = 20.9X4.9R14
21" Tire Diameter 165/55R14 = 21.1X6.5R14
22" Tire Diameter 135/80R14 = 22.5X5.3R14
165/65R14 = 22.4x6.5R14
185/55R14 = 22x7.3R14
185/60R14 = 22.7x7.3R14
195/55R14 = 22.4x7.7R14
205/50R14 = 22.1x8.1R14
205/55R14 = 22.9x8.1R14
225/50R14 = 22.9x8.9R14
23" Tire Diameter 175/65R14 = 23x6.
9R14
175/70R14 = 23.6x6.9R14
185/65R14 = 23.5x7.3R14
195/60R14 = 23.2x7.7R14
205/60R14 = 23.7x8.1R14
24" Tire Diameter 185/70R14 = 24.2x7.3R14
185/75R14 = 24.9X7.3R14
195/65R14 = 24x7.7R14
195/70R14 = 24.7x7.7R14
215/60R14 = 24.2x8.5R14
225/60R14 = 24.6x8.9R14
25" Tire Diameter 185R14 = 25.7x7.3R14
195/75R14 = 25.5x7.7R14
205/70R14 = 25.3x8.1R14
215/70R14 = 25.9x8.5R14
235/60R14 = 25.1x9.3R14
245/60R14 = 25.6x9.6R14
26" Tire Diameter 195R14 = 26.2x7.8R14
205/75R14 = 26.1x8.1R14
215/75R14 = 26.7x8.5R14
225/70R14 = 26.4x8.9R14
26X8.5R14
27" Tire Diameter 205R14 = 27x8.2R14
27X8.5R14
27X9.5R14
28" Tire Diameter 28X10R14
30" Tire Diameter 30X10R14
Tire Size Calculator Chart for 15" Wheels
20" Tire Diameter 105/70R15 = 20.8X4.1R15
21" Tire Diameter 115/70R15 = 21.
3X4.5R15
125/70R15 = 21.9X4.9R15
165/50R15 = 21.5X6.5R15
195/45R15 = 21.9x7.7R15
22" Tire Diameter 125/80R15 = 22.9X4.9R15
145/65R15 = 22.4x5.7R15
155/60R15 = 22.3x6.1R15
165/60R15 = 22.8x6.5R15
175/55R15 = 22.6x6.9R15
195/50R15 = 22.7x7.7R15
22X8R15
22.5X4.5R15
245/40R15 = 22.7X9.6R15
275/35R15 = 22.6x10.8R15
23" Tire Diameter 135/80R15 = 23.5X5.3R15
165/65R15 = 23.4X6.5R15
175/60R15 = 23.3x6.9R15
185/55R15 = 23x7.3R15
185/60R15 = 23.7x7.3R15
195/55R15 = 23.4x7.7R15
205/50R15 = 23.1x8.1R15
205/55R15 = 23.9x8.1R15
225/45R15 = 23x8.9R15
225/50R15 = 23.9x8.9R15
295/35R15 = 23.1X11.6R15
24" Tire Diameter 135/90R15 = 24.6X5.3R15
155/80R15 = 24.8X6.1R15
175/65R15 = 24x6.9R15
185/65R15 = 24.5x7.3R15
195/60R15 = 24.2x7.7R15
205/60R15 = 24.7x8.1R15
225/55R15 = 24.7x8.9R15
235/50R15 = 24.3x9.3R15
24X4.5R15
24X5R15
24.
5X8R15
245/50R15 = 24.6x9.6R15
345/35R15 = 24.5x13.6R15
25" Tire Diameter 165/80R15 = 25.4X6.5R15
185/70R15 = 25.2x7.3R15
195/65R15 = 25x7.7R15
195/70R15 = 25.7x7.7R15
205/65R15 = 25.5x8.1R15
215/60R15 = 25.2x8.5R15
225/60R15 = 25.6x8.9R15
265/50R15 = 25.4X10.4R15
275/50R15 = 25.8x10.8R15
26" Tire Diameter 205/70R15 = 26.3x8.1R15
215/65R15 = 26x8.5R15
215/70R15 = 26.9x8.5R15
235/60R15 = 26.1x9.3R15
245/60R15 = 26.6x9.6R15
26X10R15
26X10.5R15
26X11.5R15
26X6R15
26X7.5R15
26X8R15
26X8.5R15
295/50R15 = 26.6x11.6R15
27" Tire Diameter 205/75R15 = 27.1x8.1R15
215/75R15 = 27.7x8.5R15
225/70R15 = 27.4x8.9R15
255/60R15 = 27x10R15
27X10.5R15
27X9.5R15
27.5X4.5R15
295/55R15 = 27.8X11.6R15
325/50R15 = 27.8x12.8R15
E78-15 = 27x6.5R15
28" Tire Diameter 225/75R15 = 28.3x8.9R15
235/70R15 = 28x9.3R15
235/75R15 = 28.
9x9.3R15
245/70R15 = 28.5X9.6R15
255/65R15 = 28.1x10R15
275/60R15 = 28x10.8R15
28X10.5R15
28X11.5R15
28X12.5R15
28X13.5R15
28X4.5R15
28X7.5R15
28X9R15
29" Tire Diameter 215/85R15 = 29.4X8.5R15
255/70R15 = 29.1x10R15
265/70R15 = 29.6x10.4R15
29X10.5R15
29X11.5R15
29X12.5R15
29X15.5R15
29X18R15
29X18.5R15
29X4.5R15
29X8.5R15
29.5X11.5R15
29.5X13.5R15
29.5X9R15
315/60R15 = 29.9x12.4R15
7R15 = 29.5x7.7R15
30" Tire Diameter 255/75R15 = 30.1x10R15
265/75R15 = 30.6x10.4R15
295/65R15 = 30.1x11.6R15
30X10R15
30X10.5R15
30X11.5R15
30X12.5R15
30X13.5R15
30X7R15
30X9R15
30X9.5R15
31" Tire Diameter 31X10.5R15
31X11R15
31X11.5R15
31X12.5R15
31X13R15
31X13.5R15
31X14.5R15
31X16.5R15
31X18R15
31X18.5R15
31X9.5R15
32" Tire Diameter 32X10.5R15
32X11.
5R15
32X14R15
32X16R15
32X17.5R15
32X18.5R15
32X9.5R15
33" Tire Diameter 33X10.5R15
33X11.5R15
33X12.5R15
33X13R15
33X13.5R15
33X14R15
33X14.5R15
33X15.5R15
33X16.5R15
33X19.5R15
33X21.5R15
33X9R15
33X9.5R15
34" Tire Diameter 34X10.5R15
34X12.5R15
34X9.5R15
35" Tire Diameter 35X10.5R15
35X12.5R15
35X13.5R15
35X14.5R15
35X15R15
35X15.5R15
35X16R15
36" Tire Diameter 36X12.5R15
36X13.5R15
36X14.5R15
37" Tire Diameter 37X12.5R15
37X13R15
37X13.5R15
37X14R15
37X14.5R15
38" Tire Diameter 38X12.5R15
38X13R15
38X14.5R15
38X15.5R15
38.5X11R15
38.5X13.5R15
38.5X14.5R15
38.5X15R15
38.5X16R15
39" Tire Diameter 39X13.5R15
39.5X13.5R15
39.5X15R15
39.5X18R15
40" Tire Diameter 40X16R15
42" Tire Diameter 42X14R15
42X15R15
42.
5X13.5R15
44" Tire Diameter 44X18.5R15
44X19.5R15
44X21R15
47" Tire Diameter 47X17R15
Tire Size Calculator Chart for 16" Wheels
22" Tire Diameter 125/70R16 = 22.9X4.9R16
175/50R16 = 22.9x6.9R16
195/40R16 = 22.1x7.7R16
195/45R16 = 22.9x7.7R16
205/40R16 = 22.5x8.1R16
215/35R16 = 21.9x8.5R16
215/40R16 = 22.8x8.5R16
23" Tire Diameter 125/80R16 = 23.9X4.9R16
135/70R16 = 23.4X5.3R16
175/55R16 = 23.6x6.9R16
185/50R16 = 23.3X7.3R16
195/50R16 = 23.7x7.7R16
205/45R16 = 23.3x8.1R16
215/45R16 = 23.6x8.5R16
24" Tire Diameter 125/85R16 = 24.4X4.9R16
125/90R16 = 24.9X4.9R16
135/80R16 = 24.5X5.3R16
175/60R16 = 24.3x6.9R16
185/55R16 = 24x7.3R16
185/60R16 = 24.7X7.3R16
195/55R16 = 24.4x7.7R16
205/50R16 = 24.1x8.1R16
205/55R16 = 24.9x8.1R16
215/50R16 = 24.5X8.5R16
225/45R16 = 24x8.9R16
225/50R16 = 24.
9x8.9R16
245/45R16 = 24.7x9.6R16
25" Tire Diameter 135/90R16 = 25.6X5.3R16
145/80R16 = 25.1X5.7R16
195/60R16 = 25.2x7.7R16
205/60R16 = 25.7x8.1R16
215/55R16 = 25.3x8.5R16
225/55R16 = 25.7x8.9R16
245/50R16 = 25.6x9.6R16
265/45R16 = 25.4X10.4R16
275/45R16 = 25.7x10.8R16
315/40R16 = 25.9X12.4R16
26" Tire Diameter 145/90R16 = 26.3X5.7R16
145/90R16 = 26.3X5.7R16
195/65R16 = 26X7.7R16
205/65R16 = 26.5x8.1R16
215/60R16 = 26.2x8.5R16
225/60R16 = 26.6x8.9R16
235/55R16 = 26.2x9.3R16
255/50R16 = 26x10R16
26X11.5R16
27" Tire Diameter 155/90R16 = 27X6.1R16
195/75R16 = 27.5x7.7R16
205/70R16 = 27.3x8.1R16
215/65R16 = 27x8.5R16
215/70R16 = 27.9x8.5R16
225/65R16 = 27.5x8.9R16
235/60R16 = 27.1x9.3R16
295/50R16 = 27.6x11.6R16
355/40R16 = 27.2X14R16
28" Tire Diameter 195/80R16 = 28.3x7.7R16
205/75R16 = 28.1X8.1R16
205/80R16 = 28.
9x8.1R16
215/75R16 = 28.7x8.5R16
225/70R16 = 28.4x8.9R16
235/65R16 = 28x9.3R16
255/60R16 = 28x10R16
28X11.5R16
29" Tire Diameter 225/75R16 = 29.3x8.9R16
235/70R16 = 29x9.3R16
235/75R16 = 29.9x9.3R16
245/70R16 = 29.5x9.6R16
255/65R16 = 29.1x10R16
275/60R16 = 29X10.8R16
285/60R16 = 29.5X11.2R16
30" Tire Diameter 215/85R16 = 30.4x8.5R16
235/80R16 = 30.8x9.3R16
245/75R16 = 30.5x9.6R16
255/70R16 = 30.1x10R16
265/70R16 = 30.6x10.4R16
285/65R16 = 30.6X11.2R16
30X11.5R16
31" Tire Diameter 225/85R16 = 31.1X8.9R16
235/85R16 = 31.7x9.3R16
265/75R16 = 31.6x10.4R16
275/70R16 = 31.2x10.8R16
285/70R16 = 31.7x11.2R16
31X10.5R16
31X11R16
31X11.5R16
31X12.5R16
7.5R16 = 31.8x8.7R16
32" Tire Diameter 265/80R16 = 32.7X10.4R16
285/75R16 = 32.8x11.2R16
305/70R16 = 32.8x12R16
32X10R16
32X11.5R16
32X9R16
33" Tire Diameter 255/85R16 = 33.
1x10R16
295/75R16 = 33.4x11.6R16
33X10.5R16
33X11.5R16
33X12.5R16
33X13R16
33X13.5R16
33X14R16
33X14.5R16
33X9.5R16
33.5X16.5R16
34" Tire Diameter 315/75R16 = 34.6x12.4R16
34X10.5R16
34X12.5R16
34X13.5R16
34X9R16
34.5X17R16
35" Tire Diameter 35X10.5R16
35X12.5R16
35X14.5R16
35X15R16
35X16R16
375/65R16 = 35.2x14.8R16
36" Tire Diameter 325/80R16 = 36.5x12.8R16
345/75R16 = 36.4x13.6R16
36X12.5R16
36X13R16
36X13.5R16
36X14.5R16
37" Tire Diameter 365/75R16 = 37.6x14.4R16
37X12.5R16
37X13R16
37X13.5R16
37X14R16
37X14.5R16
385/70R16 = 37.2x15.2R16
395/70R16 = 37.8x15.6R16
38" Tire Diameter 38X13R16
38X14.5R16
38X15.5R16
38.5X11R16
38.5X13.5R16
38.5X14.5R16
38.5X15R16
39" Tire Diameter 39X13.5R16
39.5X13.5R16
39.5X15R16
40" Tire Diameter 40X16R16
41" Tire Diameter 41X14.
5R16
42" Tire Diameter 42X14R16
42X15R16
42.5X13.5R16
44" Tire Diameter 44X19.5R16
44X21R16
46" Tire Diameter 46X19.5R16
Tire Size Calculator Chart for 16.5" Wheels
29" Tire Diameter 8.75R16.5 = 29.5x8.8R16.5
30" Tire Diameter 9.5R16.5 = 30.6x9.5R16.5
32" Tire Diameter 32X12R16.5
33" Tire Diameter 33X11.5R16.5
33X12.5R16.5
33X14R16.5
33X14.5R16.5
33X15.5R16.5
35" Tire Diameter 35X12.5R16.5
35X14.5R16.5
35X15R16.5
35X15.5R16.5
35X16R16.5
35X9.5R16.5
36" Tire Diameter 36X12.5R16.5
36X13.5R16.5
36X14.5R16.5
36X16R16.5
37" Tire Diameter 37X12.5R16.5
37X13R16.5
37X14R16.5
38" Tire Diameter 38X11R16.5
38X12.5R16.5
38X15.5R16.5
38.5X11R16.5
38.5X13.5R16.5
38.5X14.5R16.5
38.5X15R16.
5
38.5X16R16.5
39" Tire Diameter 39X13.5R16.5
39.5X13.5R16.5
39.5X15R16.5
39.5X18R16.5
42" Tire Diameter 42X14R16.5
42X15R16.5
42.5X13.5R16.5
43" Tire Diameter 43X14.5R16.5
44" Tire Diameter 44X18.5R16.5
44X18.5R16.5
44X19.5R16.5
44X21R16.5
47" Tire Diameter 47X17R16.5
48" Tire Diameter 48X12.5R16.5
49" Tire Diameter 49X21R16.5
Tire Size Calculator Chart for 17" Wheels
22" Tire Diameter 22X2.5R17
23" Tire Diameter 125/70R17 = 23.9X4.9R17
195/40R17 = 23.1x7.7R17
195/45R17 = 23.9x7.7R17
205/40R17 = 23.5x8.1R17
215/35R17 = 22.9x8.5R17
215/40R17 = 23.8x8.5R17
225/35R17 = 23.2x8.9R17
245/35R17 = 23.8x9.6R17
24" Tire Diameter 125/80R17 = 24.9X4.9R17
135/70R17 = 24.4X5.3R17
205/45R17 = 24.3x8.1R17
215/45R17 = 24.6x8.
5R17
225/40R17 = 24.1x8.9R17
235/40R17 = 24.4x9.3R17
245/40R17 = 24.7x9.6R17
275/35R17 = 24.6x10.8R17
25" Tire Diameter 115/95R17 = 25.6X4.5R17
135/80R17 = 25.5X5.3R17
145/70R17 = 25X5.7R17
155/70R17 = 25.5X6.1R17
205/50R17 = 25.1x8.1R17
205/55R17 = 25.9x8.1R17
215/50R17 = 25.5X8.5R17
225/45R17 = 25x8.9R17
225/50R17 = 25.9x8.9R17
235/45R17 = 25.3x9.3R17
245/45R17 = 25.7x9.6R17
255/40R17 = 25x10R17
265/40R17 = 25.3x10.4R17
275/40R17 = 25.7x10.8R17
295/35R17 = 25.1x11.6R17
315/35R17 = 25.7x12.4R17
26" Tire Diameter 135/90R17 = 26.6X5.3R17
145/80R17 = 26.1X5.7R17
155/80R17 = 26.8X6.1R17
215/55R17 = 26.3x8.5R17
225/55R17 = 26.7x8.9R17
235/50R17 = 26.3x9.3R17
245/50R17 = 26.6x9.6R17
255/45R17 = 26x10R17
26X11.5R17
285/40R17 = 26x11.2R17
295/40R17 = 26.3x11.6R17
335/35R17 = 26.2x13.2R17
27" Tire Diameter 145/90R17 = 27.
3X5.7R17
165/80R17 = 27.4X6.5R17
215/60R17 = 27.2x8.5R17
225/60R17 = 27.6x8.9R17
235/55R17 = 27.2x9.3R17
245/55R17 = 27.6x9.6R17
255/50R17 = 27x10R17
275/50R17 = 27.8X10.8R17
305/45R17 = 27.8X12R17
345/40R17 = 27.9x13.6R17
28" Tire Diameter 155/90R17 = 28X6.1R17
165/90R17 = 28.7X6.5R17
215/65R17 = 28x8.5R17
215/70R17 = 28.9x8.5R17
225/65R17 = 28.5x8.9R17
235/60R17 = 28.1x9.3R17
245/60R17 = 28.6X9.6R17
255/55R17 = 28x10R17
275/55R17 = 28.9x10.8R17
29" Tire Diameter 175/90R17 = 29.4X6.9R17
225/70R17 = 29.4x8.9R17
235/65R17 = 29x9.3R17
245/65R17 = 29.5x9.6R17
255/60R17 = 29x10R17
265/60R17 = 29.5x10.4R17
30" Tire Diameter 225/75R17 = 30.3x8.9R17
235/70R17 = 30x9.3R17
235/75R17 = 30.9x9.3R17
245/70R17 = 30.5x9.6R17
255/65R17 = 30.1x10R17
265/65R17 = 30.6x10.4R17
275/60R17 = 30x10.8R17
285/60R17 = 30.5X11.2R17
31" Tire Diameter 235/80R17 = 31.
8x9.3R17
245/75R17 = 31.5x9.6R17
255/70R17 = 31.1x10R17
265/70R17 = 31.6x10.4R17
275/65R17 = 31.1x10.8R17
285/65R17 = 31.6x11.2R17
31X10.5R17
32" Tire Diameter 235/85R17 = 32.7X9.3R17
255/75R17 = 32.1x10R17
275/70R17 = 32.2x10.8R17
285/70R17 = 32.7x11.2R17
305/65R17 = 32.6x12R17
32X10.5R17
32X11.5R17
33" Tire Diameter 255/80R17 = 33.1x10R17
285/75R17 = 33.8x11.2R17
295/70R17 = 33.3x11.6R17
305/70R17 = 33.8x12R17
33X10.5R17
33X12.5R17
33X13R17
33X13.5R17
33X9.5R17
34" Tire Diameter 275/80R17 = 34.3X10.8R17
315/70R17 = 34.4x12.4R17
325/70R17 = 34.9x12.8R17
34X10.5R17
35" Tire Diameter 35X10.5R17
35X11.5R17
35X12.5R17
35X13.5R17
35X14.5R17
36" Tire Diameter 355/70R17 = 36.6x14R17
36X12.5R17
36X13.5R17
37" Tire Diameter 37X12.5R17
37X13R17
37X13.5R17
37X14R17
38" Tire Diameter 38X13.
5R17
38X14.5R17
38X15.5R17
38.5X13.5R17
38.5X14.5R17
39" Tire Diameter 39X13.5R17
39.5X13.5R17
39.5X15R17
40" Tire Diameter 40X13.5R17
40X14.5R17
40X16R17
41" Tire Diameter 41X14.5R17
42" Tire Diameter 42X14R17
42X14.5R17
42X15R17
42.5X13.5R17
43" Tire Diameter 43X14.5R17
44" Tire Diameter 44X19.5R17
44X21R17
47" Tire Diameter 47X17R17
49" Tire Diameter 49X21R17
54" Tire Diameter 54X19.5R17
Tire Size Calculator Chart for 18" Wheels
23" Tire Diameter 215/35R18 = 23.9x8.5R18
24" Tire Diameter 125/70R18 = 24.9X4.9R18
205/40R18 = 24.5x8.1R18
215/40R18 = 24.8x8.5R18
225/35R18 = 24.2x8.9R18
235/35R18 = 24.5x9.3R18
245/35R18 = 24.8x9.6R18
285/30R18 = 24.7x11.2R18
25" Tire Diameter 135/70R18 = 25.
4X5.3R18
155/60R18 = 25.3X6.1R18
215/45R18 = 25.6x8.5R18
225/40R18 = 25.1x8.9R18
235/40R18 = 25.4x9.3R18
245/40R18 = 25.7x9.6R18
255/35R18 = 25x10R18
265/35R18 = 25.3x10.4R18
275/35R18 = 25.6x10.8R18
285/35R18 = 25.9x11.2R18
295/30R18 = 25x11.6R18
305/30R18 = 25.2x12R18
315/30R18 = 25.4x12.4R18
335/30R18 = 25.9x13.2R18
26" Tire Diameter 135/80R18 = 26.5X5.3R18
145/70R18 = 26X5.7R18
215/50R18 = 26.5X8.5R18
225/45R18 = 26x8.9R18
225/50R18 = 26.9x8.9R18
235/45R18 = 26.3x9.3R18
245/45R18 = 26.7x9.6R18
255/40R18 = 26x10R18
26X12R18
265/40R18 = 26.3x10.4R18
275/40R18 = 26.7x10.8R18
295/35R18 = 26.1x11.6R18
305/35R18 = 26.4x12R18
315/35R18 = 26.7x12.4R18
345/30R18 = 26.1x13.6R18
27" Tire Diameter 145/80R18 = 27.1X5.7R18
145/85R18 = 27.7X5.7R18
215/55R18 = 27.3x8.5R18
225/55R18 = 27.7x8.9R18
235/50R18 = 27.3x9.3R18
245/50R18 = 27.
6x9.6R18
255/45R18 = 27x10R18
265/45R18 = 27.4x10.4R18
275/45R18 = 27.7x10.8R18
285/40R18 = 27x11.2R18
295/40R18 = 27.3x11.6R18
305/40R18 = 27.6X12R18
315/40R18 = 27.9x12.4R18
325/35R18 = 27x12.8R18
345/35R18 = 27.5x13.6R18
28" Tire Diameter 155/85R18 = 28.4X6.1R18
225/60R18 = 28.6x8.9R18
235/55R18 = 28.2x9.3R18
245/55R18 = 28.6x9.6R18
255/50R18 = 28x10R18
265/50R18 = 28.4X10.4R18
285/45R18 = 28.1x11.2R18
295/45R18 = 28.5x11.6R18
305/45R18 = 28.8X12R18
29" Tire Diameter 155/90R18 = 29X6.1R18
165/90R18 = 29.7X6.5R18
225/65R18 = 29.5X8.9R18
235/60R18 = 29.1x9.3R18
245/60R18 = 29.6x9.6R18
255/55R18 = 29x10R18
265/55R18 = 29.5X10.4R18
275/55R18 = 29.9x10.8R18
285/50R18 = 29.2x11.2R18
325/45R18 = 29.5X12.8R18
30" Tire Diameter 175/90R18 = 30.4X6.9R18
235/65R18 = 30x9.3R18
245/65R18 = 30.5x9.6R18
255/60R18 = 30x10R18
265/60R18 = 30.
5x10.4R18
285/55R18 = 30.3x11.2R18
31" Tire Diameter 235/70R18 = 31X9.3R18
255/65R18 = 31.1x10R18
265/65R18 = 31.6x10.4R18
275/60R18 = 31x10.8R18
285/60R18 = 31.5x11.2R18
32" Tire Diameter 255/70R18 = 32.1x10R18
265/70R18 = 32.6x10.4R18
275/65R18 = 32.1x10.8R18
285/65R18 = 32.6x11.2R18
305/60R18 = 32.4x12R18
33" Tire Diameter 275/70R18 = 33.2x10.8R18
285/70R18 = 33.7x11.2R18
295/65R18 = 33.1x11.6R18
305/65R18 = 33.6x12R18
325/60R18 = 33.4x12.8R18
33X10.5R18
33X11.5R18
33X12.5R18
33X13R18
33X13.5R18
34" Tire Diameter 285/75R18 = 34.8x11.2R18
295/70R18 = 34.3X11.6R18
305/70R18 = 34.8x12R18
325/65R18 = 34.6x12.8R18
34X12.5R18
35" Tire Diameter 315/70R18 = 35.4x12.4R18
35X11.5R18
35X12.5R18
35X13R18
35X13.5R18
35X14.5R18
36" Tire Diameter 355/65R18 = 36.2x14R18
36X13.
5R18
37" Tire Diameter 37X11.5R18
37X12.5R18
37X13.5R18
38" Tire Diameter 38X13.5R18
38X14.5R18
38X15R18
38X15.5R18
38.5X14.5R18
40" Tire Diameter 40X13.5R18
40X14.5R18
41" Tire Diameter 41X14.5R18
Tire Size Calculator Chart for 19" Wheels
24" Tire Diameter 215/35R19 = 24.9x8.5R19
235/30R19 = 24.6x9.3R19
245/30R19 = 24.8x9.6R19
295/25R19 = 24.8X11.6R19
25" Tire Diameter 115/70R19 = 25.3X4.5R19
125/70R19 = 25.9X4.9R19
225/35R19 = 25.2x8.9R19
235/35R19 = 25.5x9.3R19
245/35R19 = 25.8x9.6R19
255/30R19 = 25x10R19
265/30R19 = 25.3x10.4R19
275/30R19 = 25.5x10.8R19
285/30R19 = 25.7x11.2R19
315/25R19 = 25.2x12.4R19
26" Tire Diameter 135/70R19 = 26.4X5.3R19
225/40R19 = 26.1x8.9R19
235/40R19 = 26.4x9.3R19
245/40R19 = 26.7x9.6R19
255/35R19 = 26x10R19
265/35R19 = 26.
3x10.4R19
275/35R19 = 26.6x10.8R19
285/35R19 = 26.9x11.2R19
295/30R19 = 26x11.6R19
305/30R19 = 26.2x12R19
315/30R19 = 26.4x12.4R19
325/30R19 = 26.7x12.8R19
335/30R19 = 26.9x13.2R19
27" Tire Diameter 155/70R19 = 27.5x6.1R19
175/60R19 = 27.3x6.9R19
225/45R19 = 27x8.9R19
235/45R19 = 27.3x9.3R19
245/45R19 = 27.7x9.6R19
255/40R19 = 27x10R19
265/40R19 = 27.3x10.4R19
275/40R19 = 27.7x10.8R19
295/35R19 = 27.1x11.6R19
305/35R19 = 27.4X12R19
315/35R19 = 27.7x12.4R19
345/30R19 = 27.1x13.6R19
355/30R19 = 27.4x14R19
28" Tire Diameter 145/80R19 = 28.1X5.7R19
155/80R19 = 28.8X6.1R19
225/55R19 = 28.7x8.9R19
235/50R19 = 28.3x9.3R19
245/50R19 = 28.6x9.6R19
255/45R19 = 28x10R19
265/45R19 = 28.4X10.4R19
275/45R19 = 28.7x10.8R19
285/40R19 = 28x11.2R19
295/40R19 = 28.3X11.6R19
315/40R19 = 28.9x12.4R19
345/35R19 = 28.5x13.6R19
29" Tire Diameter 235/55R19 = 29.
2x9.3R19
245/55R19 = 29.6x9.6R19
255/50R19 = 29x10R19
265/50R19 = 29.4x10.4R19
275/50R19 = 29.8X10.8R19
285/45R19 = 29.1x11.2R19
295/45R19 = 29.5x11.6R19
30" Tire Diameter 165/90R19 = 30.7X6.5R19
175/80R19 = 30X6.9R19
255/55R19 = 30x10R19
265/55R19 = 30.5x10.4R19
275/55R19 = 30.9x10.8R19
31" Tire Diameter 235/65R19 = 31X9.3R19
255/60R19 = 31x10R19
Tire Size Calculator Chart for 20" Wheels
25" Tire Diameter 215/30R20 = 25.1X8.5R20
225/30R20 = 25.3x8.9R20
235/30R20 = 25.6x9.3R20
245/30R20 = 25.8x9.6R20
275/25R20 = 25.4X10.8R20
285/25R20 = 25.6x11.2R20
295/25R20 = 25.8x11.6R20
26" Tire Diameter 145/60R20 = 26.9X5.7R20
225/35R20 = 26.2x8.9R20
235/35R20 = 26.5x9.3R20
245/35R20 = 26.8x9.6R20
255/30R20 = 26x10R20
265/30R20 = 26.3x10.4R20
275/30R20 = 26.5x10.8R20
285/30R20 = 26.7x11.2R20
305/25R20 = 26x12R20
315/25R20 = 26.
2x12.4R20
325/25R20 = 26.4x12.8R20
335/25R20 = 26.6x13.2R20
345/25R20 = 26.8X13.6R20
27" Tire Diameter 155/60R20 = 27.3x6.1R20
155/65R20 = 27.9X6.1R20
165/60R20 = 27.8X6.5R20
175/55R20 = 27.6x6.9R20
195/50R20 = 27.7x7.7R20
215/45R20 = 27.6x8.5R20
225/40R20 = 27.1X8.9R20
235/40R20 = 27.4x9.3R20
245/40R20 = 27.7x9.6R20
255/35R20 = 27x10R20
265/35R20 = 27.3x10.4R20
275/35R20 = 27.6x10.8R20
285/35R20 = 27.9x11.2R20
295/30R20 = 27x11.6R20
305/30R20 = 27.2x12R20
315/30R20 = 27.4x12.4R20
325/30R20 = 27.7x12.8R20
335/30R20 = 27.9x13.2R20
28" Tire Diameter 225/45R20 = 28X8.9R20
235/45R20 = 28.3x9.3R20
245/45R20 = 28.7x9.6R20
255/40R20 = 28x10R20
265/40R20 = 28.3x10.4R20
275/40R20 = 28.7x10.8R20
295/35R20 = 28.1x11.6R20
305/35R20 = 28.4x12R20
315/35R20 = 28.7x12.4R20
345/30R20 = 28.1x13.6R20
29" Tire Diameter 235/50R20 = 29.
3X9.3R20
245/50R20 = 29.6x9.6R20
255/45R20 = 29x10R20
265/45R20 = 29.4x10.4R20
275/45R20 = 29.7x10.8R20
285/40R20 = 29x11.2R20
295/40R20 = 29.3x11.6R20
305/40R20 = 29.6X12R20
325/35R20 = 29X12.8R20
30" Tire Diameter 235/55R20 = 30.2x9.3R20
255/50R20 = 30x10R20
265/50R20 = 30.4x10.4R20
275/50R20 = 30.8x10.8R20
285/45R20 = 30.1X11.2R20
295/45R20 = 30.5x11.6R20
305/45R20 = 30.8x12R20
31" Tire Diameter 245/60R20 = 31.6x9.6R20
255/55R20 = 31x10R20
275/55R20 = 31.9x10.8R20
285/50R20 = 31.2x11.2R20
295/50R20 = 31.6x11.6R20
31X18R20
32" Tire Diameter 265/60R20 = 32.5x10.4R20
285/55R20 = 32.3x11.2R20
295/55R20 = 32.8X11.6R20
305/50R20 = 32x12R20
315/50R20 = 32.4x12.4R20
325/50R20 = 32.8x12.8R20
33" Tire Diameter 275/60R20 = 33x10.8R20
285/60R20 = 33.5x11.2R20
295/60R20 = 33.9X11.6R20
305/55R20 = 33.2x12R20
33X11.
5R20
33X12R20
33X12.5R20
33X13.5R20
34" Tire Diameter 275/65R20 = 34.1x10.8R20
285/65R20 = 34.6x11.2R20
305/60R20 = 34.4x12R20
315/60R20 = 34.9x12.4R20
355/50R20 = 34X14R20
35" Tire Diameter 295/65R20 = 35.1X11.6R20
325/60R20 = 35.4x12.8R20
35X11.5R20
35X12.5R20
35X13R20
35X13.5R20
35X14.5R20
36" Tire Diameter 355/60R20 = 36.8x14R20
36X13.5R20
36X15.5R20
37" Tire Diameter 37X11.5R20
37X12.5R20
37X13.5R20
37X14.5R20
38" Tire Diameter 38X13.5R20
38X14.5R20
38X15.5R20
38.5X13.5R20
38.5X14.5R20
39" Tire Diameter 39X13.5R20
39.5X13.5R20
39.5X15R20
40" Tire Diameter 40X13.5R20
40X14.5R20
40X15.5R20
41" Tire Diameter 41X14.5R20
42" Tire Diameter 42X14.5R20
42X15R20
42.5X13.5R20
43" Tire Diameter 43X14.
5R20
44" Tire Diameter 44X19.5R20
44X19.5R20
44X21R20
45" Tire Diameter 45X14.5R20
46" Tire Diameter 46X19.5R20
49" Tire Diameter 49X21R20
54" Tire Diameter 54X19.5R20
Tire Size Calculator Chart for 21" Wheels
26" Tire Diameter 245/30R21 = 26.8x9.6R21
295/25R21 = 26.8x11.6R21
27" Tire Diameter 245/35R21 = 27.8x9.6R21
255/30R21 = 27x10R21
265/30R21 = 27.3x10.4R21
275/30R21 = 27.5x10.8R21
285/30R21 = 27.7x11.2R21
305/25R21 = 27x12R21
325/25R21 = 27.4x12.8R21
28" Tire Diameter 245/40R21 = 28.7x9.6R21
255/35R21 = 28X10R21
265/35R21 = 28.3x10.4R21
275/35R21 = 28.6x10.8R21
285/35R21 = 28.9x11.2R21
295/30R21 = 28x11.6R21
305/30R21 = 28.2x12R21
315/30R21 = 28.4X12.4R21
325/30R21 = 28.7x12.8R21
355/25R21 = 28x14R21
29" Tire Diameter 245/45R21 = 29.
7X9.6R21
255/40R21 = 29X10R21
265/40R21 = 29.3x10.4R21
275/40R21 = 29.7x10.8R21
295/35R21 = 29.1x11.6R21
305/35R21 = 29.4X12R21
315/35R21 = 29.7X12.4R21
30" Tire Diameter 265/45R21 = 30.4x10.4R21
275/45R21 = 30.7x10.8R21
285/40R21 = 30X11.2R21
295/40R21 = 30.3x11.6R21
315/40R21 = 30.9X12.4R21
31" Tire Diameter 255/50R21 = 31x10R21
275/50R21 = 31.8X10.8R21
285/45R21 = 31.1x11.2R21
325/40R21 = 31.2X12.8R21
Tire Size Calculator Chart for 22" Wheels
27" Tire Diameter 235/30R22 = 27.6x9.3R22
245/30R22 = 27.8x9.6R22
275/25R22 = 27.4x10.8R22
285/25R22 = 27.6x11.2R22
295/25R22 = 27.8x11.6R22
28" Tire Diameter 255/30R22 = 28x10R22
265/30R22 = 28.3x10.4R22
275/30R22 = 28.5X10.8R22
285/30R22 = 28.7x11.2R22
305/25R22 = 28x12R22
315/25R22 = 28.2x12.4R22
335/25R22 = 28.6x13.2R22
29" Tire Diameter 255/35R22 = 29x10R22
265/35R22 = 29.
3x10.4R22
275/35R22 = 29.6X10.8R22
285/35R22 = 29.9x11.2R22
295/30R22 = 29x11.6R22
305/30R22 = 29.2x12R22
315/30R22 = 29.4X12.4R22
30" Tire Diameter 255/40R22 = 30X10R22
265/40R22 = 30.3x10.4R22
275/40R22 = 30.7x10.8R22
295/35R22 = 30.1X11.6R22
305/35R22 = 30.4X12R22
315/35R22 = 30.7X12.4R22
31" Tire Diameter 255/45R22 = 31X10R22
265/45R22 = 31.4X10.4R22
275/45R22 = 31.7x10.8R22
285/40R22 = 31x11.2R22
295/40R22 = 31.3x11.6R22
305/40R22 = 31.6x12R22
325/35R22 = 31X12.8R22
32" Tire Diameter 275/50R22 = 32.8x10.8R22
285/45R22 = 32.1x11.2R22
305/45R22 = 32.8x12R22
33" Tire Diameter 285/50R22 = 33.2x11.2R22
33X12.5R22
33X14.5R22
355/40R22 = 33.2X14R22
34" Tire Diameter 285/55R22 = 34.3X11.2R22
295/55R22 = 34.8X11.6R22
305/50R22 = 34x12R22
325/50R22 = 34.8x12.8R22
35" Tire Diameter 35X12.
5R22
35X14.5R22
35X15.5R22
375/45R22 = 35.3X14.8R22
36" Tire Diameter 325/55R22 = 36.1x12.8R22
335/55R22 = 36.5X13.2R22
37" Tire Diameter 325/60R22 = 37.4x12.8R22
37X12.5R22
37X13.5R22
38" Tire Diameter 355/60R22 = 38.8x14R22
38X13.5R22
38X15.5R22
40" Tire Diameter 40X14.5R22
40X15.5R22
41" Tire Diameter 41X14.5R22
42" Tire Diameter 42.5X13.5R22
Tire Size Calculator Chart for 23" Wheels
28" Tire Diameter 265/25R23 = 28.2X10.4R23
30" Tire Diameter 285/35R23 = 30.9x11.2R23
325/30R23 = 30.7X12.8R23
31" Tire Diameter 275/40R23 = 31.7X10.8R23
32" Tire Diameter 285/40R23 = 32x11.2R23
305/40R23 = 32.6x12R23
325/35R23 = 32X12.8R23
Tire Size Calculator Chart for 24" Wheels
29" Tire Diameter 275/25R24 = 29.4x10.8R24
30" Tire Diameter 255/30R24 = 30x10R24
275/30R24 = 30.
5x10.8R24
285/30R24 = 30.7x11.2R24
31" Tire Diameter 285/35R24 = 31.9x11.2R24
295/30R24 = 31X11.6R24
32" Tire Diameter 295/35R24 = 32.1x11.6R24
305/35R24 = 32.4x12R24
315/35R24 = 32.7x12.4R24
405/25R24 = 32x15.9R24
33" Tire Diameter 285/40R24 = 33x11.2R24
295/40R24 = 33.3x11.6R24
34" Tire Diameter 385/35R24 = 34.6x15.2R24
35" Tire Diameter 325/45R24 = 35.5x12.8R24
35X12.5R24
35X13.5R24
375/40R24 = 35.8X14.8R24
36" Tire Diameter 315/50R24 = 36.4X12.4R24
37" Tire Diameter 37X13.5R24
37X14.5R24
38" Tire Diameter 38X13.5R24
38X14R24
38X15.5R24
40" Tire Diameter 40X13.5R24
40X14.5R24
40X15.5R24
42" Tire Diameter 42X15.5R24
Tire Size Calculator Chart for 26" Wheels
31" Tire Diameter 275/25R26 = 31.4x10.8R26
295/25R26 = 31.
8x11.6R26
33" Tire Diameter 295/30R26 = 33x11.6R26
305/30R26 = 33.2x12R26
35" Tire Diameter 315/40R26 = 35.9x12.4R26
37" Tire Diameter 37X13.5R26
38" Tire Diameter 38X15.5R26
40" Tire Diameter 40X13.5R26
40X15.5R26
42" Tire Diameter 42X15.5R26
Tire Size Calculator Chart for 28" Wheels
33" Tire Diameter 295/25R28 = 33.8x11.6R28
37" Tire Diameter 325/35R28 = 37x12.8R28
40" Tire Diameter 40X15.5R28
42" Tire Diameter 42X15.5R28
Tire Size Calculator Chart for 30" Wheels
37" Tire Diameter 315/30R30 = 37.4x12.4R30
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135145155165175185195205215225235245255265275285295305315325335345355365375385395 / 253035404550556065707580859095100 R 121314151617181920212222.52324 New tire size
Index Old New Difference Diameter - - - Width - - - Circumference - - - Profile height - - - RPM - - - Change in ground clearance - Result: -
With speedometer:
Real speed will be:
Visual tire calculator When factory tires wear out or you just want to put on other wheels, the question arises: what tire sizes will fit my car? The fact is that each car is designed for a certain wheel diameter and tread width.
But how to choose the right size tires if there are some incomprehensible numbers written on the profile? Do not measure them with a ruler, by God. It is for these purposes that this tire calculator was created. It allows you to determine the difference between tires in centimeters, inches and percentages. In particular, with the tire calculator you can calculate and compare tire diameter, tread width, profile height and circumference. Additionally, the calculator detects potential differences in speedometer readings, ground clearance changes, and differences in revolutions per kilometer (or mile).
VIDEO Calculator displays visual differences in tire diameter, profile, clearance and width.
How to use the online tire calculator? Using the virtual tire calculator is very easy. There are drop-down boxes in the upper left corner of the application. In the top row, you need to select the size of your original factory tire (or just the tires that are on your car at the moment). You can simply look at these indicators on the tire profile (side surface). The first field is the tire width in millimeters. The second field is the ratio of the profile height to the tire width in percent. The third field is the disc diameter in inches.
In the second row, you need to enter the size of the new tires, i.
At the very bottom, you can see two speedometers that show the difference between the displayed and actual speed when changing tires. You can enter other values in the left speedometer using the arrows or directly from the keyboard. Changes will instantly be displayed on the right.
If you need to calculate in inches , then simply click on the inscription "Inches" in the switch, which is located under the green button.
What is the speed of 3600 RPM in mph? – Wiki Reviews If the circumference of the rotating hub is 1 inch, then 3600 rpm will be slightly more. 3.4mph but if the outer circumference is 1 mile, then 3600 rpm would equal about 216,000 mph.
Exactly how do you calculate the RPM speed? The RPM calculator helps you understand RPM (revolutions per minute) and calculates the relationship between a car's speed and the RPM of its engine. To convert vehicle speed to wheel revolutions:
Multiply wheel revolutions by tire diameter. Multiply the product by 60 and π. Divide by 63360. What is the speed of 2000 rpm? 2000 (rpm) x 314 ft. (circumference) = 628,000 feet per minute or 118. .
What is the speed of 110 rpm on a bicycle? For example, a cadence of 60 rpm means that one pedal makes a full revolution 60 times in one minute. Similarly, a cadence of 110 rpm means that one pedal rotates 110 times in one minute .
Second, how many rpm is 25 miles per hour? That is 63360/82.3 = 769 revolutions per mile. So, if the car using this tire is moving at 25 mph, that wheel is spinning at 25 x 769 = 19225 rpm or 320 rpm .
How to calculate the speed of the car? VIDEO then how to calculate gear revolutions? The general rule is: from smallest to largest means gear. divide the gear ratio by the number of revolutions of the first gear . Divide 75 teeth by 25 to find the speed ratio. divide 60 rpm by the speed factor (3). Answer: 20 rpm. Is
RPM the same as speed? What is the difference between speed and revolutions? - Quora.
How fast is 7500 rpm? 116 rpm is what it is at 7500 rpm redline.
How is the speed calculated? How to calculate engine speed. To calculate the RPM for an AC induction motor, you would multiply the frequency in hertz (Hz) by 60 - by the number of seconds in a minute - by two for the negative and positive pulses in the cycle. Then you divide by the number of poles the motor has: (Hz x 60 x 2) / number of poles = idle speed.
What is 2k rpm?
RPM stands for revolutions per minute. This is a measure of the engine speed. In general, the faster an engine spins, the more power it produces. ... So, if the tachometer points to "2", it turns 2,000 rpm .
What is the speed at 70 rpm? If you're talking about wheels moving at 70 rpm and wheels that add up to a diameter of 26 inches? If yes, then you are moving at about 5715 inches per minute, or 476 feet per minute, or about 28,500 feet per hour, or just over 5 mph .
How do you calculate revs on a bike? Start riding your stationary or road bike. … Maintain a constant pace and count the number of times your right foot hits the bottom of the stroke within one minute to calculate RPM. … Reduce the counting time and count how many times your right foot reaches the bottom of the stroke within 15 seconds. What is rpm cycling?
RPM ™ is indoor group cycling where you control the intensity . It's fun, low-impact, and can burn up to 500 calories per session**. With great music and a band spinning as one, your instructor will take you on a journey of hills, sprints and flats.
VIDEO What is 70 RPM in mph? If you're talking about wheels moving at 70 rpm and wheels that add up to a diameter of 26 inches? If yes, then you are moving at about 5715 inches per minute, or 476 feet per minute, or about 28,500 feet per hour, or just over 5 mph .
How to calculate gear revolutions? VIDEO How to calculate tire speed? For example, if the tire has a diameter of 20 inches, multiply 20 by 3.1416 to get 62.83 inches. Finally, divide 63,360 inches per mile by tire circumference to find RPM. miles. When you finish the example, you should divide 63,360 by 62.83 to get 1,008.44 revolutions per mile.
How to calculate RPM from a diameter?
The following equation is used to calculate the spindle speed: rpm = SFM ÷ diameter × 3.82 , where diameter is the diameter of the cutting tool or the diameter of the part on a lathe in inches, and 3.82 is a constant resulting from a more complex algebraic simplification formulas: rpm = (sfm × 12) ÷ (diameter × π) .
How to calculate the revolutions from the gear ratio of the gearbox? Write down the gear ratio of the gearbox; for example, 12:5.
7x7.3R13
9R14
3X4.5R15
5X8R15
9x9.3R15
5R15
5X13.5R15
9x8.9R16
9x8.1R16
1x10R16
5R16
5
5R17
3X5.7R17
8x9.3R17
5R17
4X5.3R18
6x9.6R18
5x10.4R18
5R18
3x10.4R19
2x9.3R19
2x12.4R20
3X9.3R20
5R20
5R20
7X9.6R21
3x10.4R22
5
7
8
5
