| Code | Difference | = 50mph | 1000miles = | Diameter | Wall,in | Wall,mm |
|---|---|---|---|---|---|---|
| 265/65-17 | 0.00 % | 50.00 | 1,000.00 | 30.56 | 6.78 | 172.25 |
| 215/80-17 | -0.06 % | 49.97 | 1,000.64 | 30.54 | 6.77 | 172.00 |
| 245/70-17 | -0.19 % | 49.90 | 1,001.93 | 30.50 | 6.75 | 171.50 |
| 315/55-17 | +0.26 % | 50.13 | 997.42 | 30.64 | 6.82 | 173.25 |
| 285/60-17 | -0.32 % | 49.84 | 1,003.22 | 30.46 | 6.73 | 171.00 |
| 205/85-17 | +0.52 % | 50.26 | 994.85 | 30.72 | 6.86 | 174.25 |
| 225/75-17 | -0.90 % | 49.55 | 1,009.02 | 30.29 | 6.64 | 168.75 |
| 235/75-17 | +1.03 % | 50.52 | 989.69 | 30.88 | 6.94 | 176.25 |
| 305/55-17 | -1.16 % | 49.42 | 1,011.59 | 30.21 | 6.60 | 167.75 |
| 295/60-17 | +1.22 % | 50.61 | 987.76 | 30.94 | 6.97 | 177.00 |
| 335/50-17 | -1.22 % | 49.39 | 1,012.24 | 30.19 | 6.59 | 167.50 |
| 255/70-17 | +1.61 % | 50.81 | 983.90 | 31.06 | 7.03 | 178.50 |
| 255/65-17 | -1.67 % | 49.16 | 1,016.75 | 30.05 | 6.53 | 165.75 |
| 195/85-17 | -1.67 % | 49.16 | 1,016.75 | 30.05 | 6.53 | 165.75 |
| 325/55-17 | +1.67 % | 50.84 | 983.25 | 31.07 | 7.04 | 178.75 |
| 275/65-17 | +1.67 % | 50.84 | 983.25 | 31.07 | 7.04 | 178.75 |
| 275/60-17 | -1.87 % | 49.07 | 1,018.68 | 29.99 | 6.50 | 165.00 |
| 235/70-17 | -2.00 % | 49.00 | 1,019.97 | 29.95 | 6.48 | 164.50 |
| 225/80-17 | +2.00 % | 51.00 | 980.03 | 31.17 | 7.09 | 180.00 |
| Ratio: | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Wheel Size 12
|
|||||||||||||
|
Wheel Size 13
|
|||||||||||||
|
Wheel Size 14
|
|||||||||||||
|
Wheel Size 15
|
|||||||||||||
|
Wheel Size 16
|
|||||||||||||
|
Wheel Size 16.5
|
|||||||||||||
|
Wheel Size 17
|
|||||||||||||
| 145 |
145/25-17
d=19.85
w=1.43
-35.04%
|
145/30-17
d=20.43
w=1.71
-33.17%
|
145/35-17
d=21.00
w=2.00
-31.30%
|
145/40-17
d=21.57
w=2.28
-29.43%
|
145/45-17
d=22.14
w=2.57
-27.57%
|
145/50-17
d=22.71
w=2.85
-25.70%
|
145/55-17
d=23.28
w=3.14
-23.83%
|
145/60-17
d=23.85
w=3.43
-21.96%
|
145/65-17
d=24.42
w=3.71
-20.10%
|
145/70-17
d=24.99
w=4.00
-18.23%
|
145/75-17
d=25.56
w=4.28
-16.36%
|
145/80-17
d=26.13
w=4.57
-14.49%
|
145/85-17
d=26.70
w=4.85
-12.62%
|
| 155 |
155/25-17
d=20.05
w=1.53
-34.39%
|
155/30-17
d=20.66
w=1.83
-32.40%
|
155/35-17
d=21.27
w=2.14
-30.40%
|
155/40-17
d=21.88
w=2.44
-28.40%
|
155/45-17
d=22.49
w=2.75
-26.41%
|
155/50-17
d=23.10
w=3.05
-24.41%
|
155/55-17
d=23.71
w=3.36
-22.41%
|
155/60-17
d=24.32
w=3.66
-20.42%
|
155/65-17
d=24.93
w=3.97
-18.42%
|
155/70-17
d=25.54
w=4.27
-16.42%
|
155/75-17
d=26.15
w=4.58
-14.43%
|
155/80-17
d=26.76
w=4.88
-12.43%
|
155/85-17
d=27.37
w=5.19
-10.43%
|
| 165 |
165/25-17
d=20.25
w=1.62
-33.75%
|
165/30-17
d=20.90
w=1.95
-31.62%
|
165/35-17
d=21.55
w=2.27
-29.50%
|
165/40-17
d=22.20
w=2.60
-27.37%
|
165/45-17
d=22.85
w=2.92
-25.25%
|
165/50-17
d=23.50
w=3.25
-23.12%
|
165/55-17
d=24.15
w=3.57
-21.00%
|
165/60-17
d=24.80
w=3.90
-18.87%
|
165/65-17
d=25.44
w=4.22
-16.75%
|
165/70-17
d=26.09
w=4.55
-14.62%
|
165/75-17
d=26.74
w=4.87
-12.50%
|
165/80-17
d=27.39
w=5.20
-10.37%
|
165/85-17
d=28.04
w=5.52
-8.24%
|
| 175 |
175/25-17
d=20.44
w=1.72
-33.11%
|
175/30-17
d=21.13
w=2.07
-30.85%
|
175/35-17
d=21.82
w=2.41
-28.60%
|
175/40-17
d=22.51
w=2.76
-26.34%
|
175/45-17
d=23.20
w=3.10
-24.09%
|
175/50-17
d=23.89
w=3.44
-21.83%
|
175/55-17
d=24.58
w=3.79
-19.58%
|
175/60-17
d=25.27
w=4.13
-17.33%
|
175/65-17
d=25.96
w=4.48
-15.07%
|
175/70-17
d=26.65
w=4.82
-12.82%
|
175/75-17
d=27.33
w=5.17
-10.56%
|
175/80-17
d=28.02
w=5.51
-8.31%
|
175/85-17
d=28.71
w=5.86
-6.05%
|
| 185 |
185/25-17
d=20.64
w=1.82
-32.46%
|
185/30-17
d=21.37
w=2.19
-30.08%
|
185/35-17
d=22.10
w=2.55
-27.70%
|
185/40-17
d=22.83
w=2.91
-25.31%
|
185/45-17
d=23.56
w=3.28
-22.93%
|
185/50-17
d=24.28
w=3.64
-20.55%
|
185/55-17
d=25.01
w=4.01
-18.16%
|
185/60-17
d=25.74
w=4.37
-15.78%
|
185/65-17
d=26.47
w=4.73
-13.40%
|
185/70-17
d=27.20
w=5.10
-11.01%
|
185/75-17
d=27.93
w=5.46
-8.63%
|
185/80-17
d=28.65
w=5.83
-6.25%
|
185/85-17
d=29.38
w=6.19
-3.86%
|
| 195 |
195/25-17
d=20.84
w=1.92
-31.82%
|
195/30-17
d=21.61
w=2.30
-29.31%
|
195/35-17
d=22.37
w=2.69
-26.79%
|
195/40-17
d=23.14
w=3.07
-24.28%
|
195/45-17
d=23.91
w=3.45
-21.77%
|
195/50-17
d=24.68
w=3.84
-19.26%
|
195/55-17
d=25.44
w=4.22
-16.75%
|
195/60-17
d=26.21
w=4.61
-14.23%
|
195/65-17
d=26.98
w=4.99
-11.72%
|
195/70-17
d=27.75
w=5.37
-9.21%
|
195/75-17
d=28.52
w=5.76
-6.70%
|
195/80-17
d=29.28
w=6.14
-4.19%
|
195/85-17
d=30.05
w=6.53
-1.67%
|
| 205 |
205/25-17
d=21.04
w=2.02
-31.17%
|
205/30-17
d=21.84
w=2.42
-28.53%
|
205/35-17
d=22.65
w=2.82
-25.89%
|
205/40-17
d=23.46
w=3.23
-23.25%
|
205/45-17
d=24.26
w=3.63
-20.61%
|
205/50-17
d=25.07
w=4.04
-17.97%
|
205/55-17
d=25.88
w=4.44
-15.33%
|
205/60-17
d=26.69
w=4.84
-12.69%
|
205/65-17
d=27.49
w=5.25
-10.05%
|
205/70-17
d=28.30
w=5.65
-7.41%
|
205/75-17
d=29.11
w=6.05
-4.77%
|
205/80-17
d=29.91
w=6.46
-2.13%
|
205/85-17
d=30.72
w=6.86
+0.52%
|
| 215 |
215/25-17
d=21.23
w=2.12
-30.53%
|
215/30-17
d=22.08
w=2.54
-27.76%
|
215/35-17
d=22.93
w=2.96
-24.99%
|
215/40-17
d=23.77
w=3.39
-22.22%
|
215/45-17
d=24.62
w=3.81
-19.45%
|
215/50-17
d=25.46
w=4.23
-16.68%
|
215/55-17
d=26.31
w=4.66
-13.91%
|
215/60-17
d=27.16
w=5.08
-11.14%
|
215/65-17
d=28.00
w=5.50
-8.37%
|
215/70-17
d=28.85
w=5.93
-5.60%
|
215/75-17
d=29.70
w=6.35
-2.83%
|
215/80-17
d=30.54
w=6.77
-0.06%
|
215/85-17
d=31.39
w=7.19
+2.71%
|
| 225 |
225/25-17
d=21.43
w=2.21
-29.89%
|
225/30-17
d=22.31
w=2.66
-26.99%
|
225/35-17
d=23.20
w=3.10
-24.09%
|
225/40-17
d=24.09
w=3.54
-21.19%
|
225/45-17
d=24.97
w=3.99
-18.29%
|
225/50-17
d=25.86
w=4.43
-15.39%
|
225/55-17
d=26.74
w=4.87
-12.50%
|
225/60-17
d=27.63
w=5.31
-9.60%
|
225/65-17
d=28.52
w=5.76
-6.70%
|
225/70-17
d=29.40
w=6.20
-3.80%
|
225/75-17
d=30.29
w=6.64
-0.90%
|
225/80-17
d=31.17
w=7.09
+2.00%
|
225/85-17
d=32.06
w=7.53
+4.90%
|
| 235 |
235/25-17
d=21.63
w=2.31
-29.24%
|
235/30-17
d=22.55
w=2.78
-26.21%
|
235/35-17
d=23.48
w=3.24
-23.19%
|
235/40-17
d=24.40
w=3.70
-20.16%
|
235/45-17
d=25.33
w=4.16
-17.13%
|
235/50-17
d=26.25
w=4.63
-14.11%
|
235/55-17
d=27.18
w=5.09
-11.08%
|
235/60-17
d=28.10
w=5.55
-8.05%
|
235/65-17
d=29.03
w=6.01
-5.02%
|
235/70-17
d=29.95
w=6.48
-2.00%
|
235/75-17
d=30.88
w=6.94
+1.03%
|
235/80-17
d=31.80
w=7.40
+4.06%
|
235/85-17
d=32.73
w=7.86
+7.08%
|
| 245 |
245/25-17
d=21.82
w=2.41
-28.60%
|
245/30-17
d=22.79
w=2.89
-25.44%
|
245/35-17
d=23.75
w=3.38
-22.29%
|
245/40-17
d=24.72
w=3.86
-19.13%
|
245/45-17
d=25.68
w=4.34
-15.97%
|
245/50-17
d=26.65
w=4.82
-12.82%
|
245/55-17
d=27.61
w=5.31
-9.66%
|
245/60-17
d=28.57
w=5.79
-6.51%
|
245/65-17
d=29.54
w=6.27
-3.35%
|
245/70-17
d=30.50
w=6.75
-0.19%
|
245/75-17
d=31.47
w=7.23
+2.96%
|
245/80-17
d=32.43
w=7.72
+6.12%
|
245/85-17
d=33.40
w=8.20
+9.27%
|
| 255 |
255/25-17
d=22.02
w=2.51
-27.95%
|
255/30-17
d=23.02
w=3.01
-24.67%
|
255/35-17
d=24.03
w=3.51
-21.38%
|
255/40-17
d=25.03
w=4.02
-18.10%
|
255/45-17
d=26.04
w=4.52
-14.81%
|
255/50-17
d=27.04
w=5.02
-11.53%
|
255/55-17
d=28.04
w=5.52
-8.24%
|
255/60-17
d=29.05
w=6.02
-4.96%
|
255/65-17
d=30.05
w=6.53
-1.67%
|
255/70-17
d=31.06
w=7.03
+1.61%
|
255/75-17
d=32.06
w=7.53
+4.90%
|
255/80-17
d=33.06
w=8.03
+8.18%
|
255/85-17
d=34.07
w=8.53
+11.46%
|
| 265 |
265/25-17
d=22.22
w=2.61
-27.31%
|
265/30-17
d=23.26
w=3.13
-23.90%
|
265/35-17
d=24.30
w=3.65
-20.48%
|
265/40-17
d=25.35
w=4.17
-17.07%
|
265/45-17
d=26.39
w=4.69
-13.65%
|
265/50-17
d=27.43
w=5.22
-10.24%
|
265/55-17
d=28.48
w=5.74
-6.83%
|
265/60-17
d=29.52
w=6.26
-3.41%
|
265/65-17
d=30.56
w=6.78
0.00%
|
265/70-17
d=31.61
w=7.30
+3.41%
|
265/75-17
d=32.65
w=7.82
+6.83%
|
265/80-17
d=33.69
w=8.35
+10.24%
|
265/85-17
d=34.74
w=8.87
+13.65%
|
| 275 |
275/25-17
d=22.41
w=2.71
-26.66%
|
275/30-17
d=23.50
w=3.25
-23.12%
|
275/35-17
d=24.58
w=3.79
-19.58%
|
275/40-17
d=25.66
w=4.33
-16.04%
|
275/45-17
d=26.74
w=4.87
-12.50%
|
275/50-17
d=27.83
w=5.41
-8.95%
|
275/55-17
d=28.91
w=5.95
-5.41%
|
275/60-17
d=29.99
w=6.50
-1.87%
|
275/65-17
d=31.07
w=7.04
+1.67%
|
275/70-17
d=32.16
w=7.58
+5.22%
|
275/75-17
d=33.24
w=8.12
+8.76%
|
275/80-17
d=34.32
w=8.66
+12.30%
|
275/85-17
d=35.41
w=9.20
+15.84%
|
| 285 |
285/25-17
d=22.61
w=2.81
-26.02%
|
285/30-17
d=23.73
w=3.37
-22.35%
|
285/35-17
d=24.85
w=3.93
-18.68%
|
285/40-17
d=25.98
w=4.49
-15.01%
|
285/45-17
d=27.10
w=5.05
-11.34%
|
285/50-17
d=28.22
w=5.61
-7.66%
|
285/55-17
d=29.34
w=6.17
-3.99%
|
285/60-17
d=30.46
w=6.73
-0.32%
|
285/65-17
d=31.59
w=7.29
+3.35%
|
285/70-17
d=32.71
w=7.85
+7.02%
|
285/75-17
d=33.83
w=8.42
+10.69%
|
285/80-17
d=34.95
w=8.98
+14.36%
|
285/85-17
d=36.07
w=9.54
+18.03%
|
| 295 |
295/25-17
d=22.81
w=2.90
-25.38%
|
295/30-17
d=23.97
w=3.48
-21.58%
|
295/35-17
d=25.13
w=4.06
-17.78%
|
295/40-17
d=26.29
w=4.65
-13.98%
|
295/45-17
d=27.45
w=5.23
-10.18%
|
295/50-17
d=28.61
w=5.81
-6.38%
|
295/55-17
d=29.78
w=6.39
-2.58%
|
295/60-17
d=30.94
w=6.97
+1.22%
|
295/65-17
d=32.10
w=7.55
+5.02%
|
295/70-17
d=33.26
w=8.13
+8.82%
|
295/75-17
d=34.42
w=8.71
+12.62%
|
295/80-17
d=35.58
w=9.29
+16.42%
|
295/85-17
d=36.74
w=9.87
+20.22%
|
| 305 |
305/25-17
d=23.00
w=3.00
-24.73%
|
305/30-17
d=24.20
w=3.60
-20.80%
|
305/35-17
d=25.41
w=4.20
-16.87%
|
305/40-17
d=26.61
w=4.80
-12.95%
|
305/45-17
d=27.81
w=5.40
-9.02%
|
305/50-17
d=29.01
w=6.00
-5.09%
|
305/55-17
d=30.21
w=6.60
-1.16%
|
305/60-17
d=31.41
w=7.20
+2.77%
|
305/65-17
d=32.61
w=7.81
+6.70%
|
305/70-17
d=33.81
w=8.41
+10.63%
|
305/75-17
d=35.01
w=9.01
+14.56%
|
305/80-17
d=36.21
w=9.61
+18.49%
|
305/85-17
d=37.41
w=10.21
+22.41%
|
| 315 |
315/25-17
d=23.20
w=3.10
-24.09%
|
315/30-17
d=24.44
w=3.72
-20.03%
|
315/35-17
d=25.68
w=4.34
-15.97%
|
315/40-17
d=26.92
w=4.96
-11.92%
|
315/45-17
d=28.16
w=5.58
-7.86%
|
315/50-17
d=29.40
w=6.20
-3.80%
|
315/55-17
d=30.64
w=6.82
+0.26%
|
315/60-17
d=31.88
w=7.44
+4.32%
|
315/65-17
d=33.12
w=8.06
+8.37%
|
315/70-17
d=34.36
w=8.68
+12.43%
|
315/75-17
d=35.60
w=9.30
+16.49%
|
315/80-17
d=36.84
w=9.92
+20.55%
|
315/85-17
d=38.08
w=10.54
+24.60%
|
| 325 |
325/25-17
d=23.40
w=3.20
-23.44%
|
325/30-17
d=24.68
w=3.84
-19.26%
|
325/35-17
d=25.96
w=4.48
-15.07%
|
325/40-17
d=27.24
w=5.12
-10.88%
|
325/45-17
d=28.52
w=5.76
-6.70%
|
325/50-17
d=29.80
w=6.40
-2.51%
|
325/55-17
d=31.07
w=7.04
+1.67%
|
325/60-17
d=32.35
w=7.68
+5.86%
|
325/65-17
d=33.63
w=8.32
+10.05%
|
325/70-17
d=34.91
w=8.96
+14.23%
|
325/75-17
d=36.19
w=9.60
+18.42%
|
325/80-17
d=37.47
w=10.24
+22.61%
|
325/85-17
d=38.75
w=10.88
+26.79%
|
| 335 |
335/25-17
d=23.59
w=3.30
-22.80%
|
335/30-17
d=24.91
w=3.96
-18.49%
|
335/35-17
d=26.23
w=4.62
-14.17%
|
335/40-17
d=27.55
w=5.28
-9.85%
|
335/45-17
d=28.87
w=5.94
-5.54%
|
335/50-17
d=30.19
w=6.59
-1.22%
|
335/55-17
d=31.51
w=7.25
+3.09%
|
335/60-17
d=32.83
w=7.91
+7.41%
|
335/65-17
d=34.15
w=8.57
+11.72%
|
335/70-17
d=35.46
w=9.23
+16.04%
|
335/75-17
d=36.78
w=9.89
+20.35%
|
335/80-17
d=38.10
w=10.55
+24.67%
|
335/85-17
d=39.42
w=11.21
+28.98%
|
|
Wheel Size 18
|
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Wheel Size 19
|
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Wheel Size 20
|
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|
Wheel Size 21
|
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The information on this page is intended to be helpful, but there is absolutely no guarantee of its accuracy, safety, or applicability for any particular use. The data is calculated mathematically, not taken from any official or recommended guide.
Please excercise a common sense, follow manufacturer and dealer recommendations, and check with other sources.
Tires are a safety equipment, don't take their selection lightly!