| Code | Difference | = 50mph | 1000miles = | Diameter | Wall,in | Wall,mm |
|---|---|---|---|---|---|---|
| 315/80-17 | -0.31 % | 49.85 | 1,003.09 | 36.84 | 9.92 | 252.00 |
| 335/75-17 | -0.47 % | 49.77 | 1,004.69 | 36.78 | 9.89 | 251.25 |
| 295/85-17 | -0.58 % | 49.71 | 1,005.75 | 36.74 | 9.87 | 250.75 |
| 305/85-17 | +1.24 % | 50.62 | 987.64 | 37.41 | 10.21 | 259.25 |
| 325/80-17 | +1.40 % | 50.70 | 986.04 | 37.47 | 10.24 | 260.00 |
| 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
-46.28%
|
145/30-17
d=20.43
w=1.71
-44.73%
|
145/35-17
d=21.00
w=2.00
-43.19%
|
145/40-17
d=21.57
w=2.28
-41.64%
|
145/45-17
d=22.14
w=2.57
-40.10%
|
145/50-17
d=22.71
w=2.85
-38.55%
|
145/55-17
d=23.28
w=3.14
-37.01%
|
145/60-17
d=23.85
w=3.43
-35.46%
|
145/65-17
d=24.42
w=3.71
-33.92%
|
145/70-17
d=24.99
w=4.00
-32.37%
|
145/75-17
d=25.56
w=4.28
-30.83%
|
145/80-17
d=26.13
w=4.57
-29.29%
|
145/85-17
d=26.70
w=4.85
-27.74%
|
| 155 |
155/25-17
d=20.05
w=1.53
-45.74%
|
155/30-17
d=20.66
w=1.83
-44.09%
|
155/35-17
d=21.27
w=2.14
-42.44%
|
155/40-17
d=21.88
w=2.44
-40.79%
|
155/45-17
d=22.49
w=2.75
-39.14%
|
155/50-17
d=23.10
w=3.05
-37.49%
|
155/55-17
d=23.71
w=3.36
-35.84%
|
155/60-17
d=24.32
w=3.66
-34.19%
|
155/65-17
d=24.93
w=3.97
-32.53%
|
155/70-17
d=25.54
w=4.27
-30.88%
|
155/75-17
d=26.15
w=4.58
-29.23%
|
155/80-17
d=26.76
w=4.88
-27.58%
|
155/85-17
d=27.37
w=5.19
-25.93%
|
| 165 |
165/25-17
d=20.25
w=1.62
-45.21%
|
165/30-17
d=20.90
w=1.95
-43.45%
|
165/35-17
d=21.55
w=2.27
-41.70%
|
165/40-17
d=22.20
w=2.60
-39.94%
|
165/45-17
d=22.85
w=2.92
-38.18%
|
165/50-17
d=23.50
w=3.25
-36.42%
|
165/55-17
d=24.15
w=3.57
-34.66%
|
165/60-17
d=24.80
w=3.90
-32.91%
|
165/65-17
d=25.44
w=4.22
-31.15%
|
165/70-17
d=26.09
w=4.55
-29.39%
|
165/75-17
d=26.74
w=4.87
-27.63%
|
165/80-17
d=27.39
w=5.20
-25.88%
|
165/85-17
d=28.04
w=5.52
-24.12%
|
| 175 |
175/25-17
d=20.44
w=1.72
-44.68%
|
175/30-17
d=21.13
w=2.07
-42.81%
|
175/35-17
d=21.82
w=2.41
-40.95%
|
175/40-17
d=22.51
w=2.76
-39.09%
|
175/45-17
d=23.20
w=3.10
-37.22%
|
175/50-17
d=23.89
w=3.44
-35.36%
|
175/55-17
d=24.58
w=3.79
-33.49%
|
175/60-17
d=25.27
w=4.13
-31.63%
|
175/65-17
d=25.96
w=4.48
-29.76%
|
175/70-17
d=26.65
w=4.82
-27.90%
|
175/75-17
d=27.33
w=5.17
-26.04%
|
175/80-17
d=28.02
w=5.51
-24.17%
|
175/85-17
d=28.71
w=5.86
-22.31%
|
| 185 |
185/25-17
d=20.64
w=1.82
-44.15%
|
185/30-17
d=21.37
w=2.19
-42.18%
|
185/35-17
d=22.10
w=2.55
-40.20%
|
185/40-17
d=22.83
w=2.91
-38.23%
|
185/45-17
d=23.56
w=3.28
-36.26%
|
185/50-17
d=24.28
w=3.64
-34.29%
|
185/55-17
d=25.01
w=4.01
-32.32%
|
185/60-17
d=25.74
w=4.37
-30.35%
|
185/65-17
d=26.47
w=4.73
-28.38%
|
185/70-17
d=27.20
w=5.10
-26.41%
|
185/75-17
d=27.93
w=5.46
-24.44%
|
185/80-17
d=28.65
w=5.83
-22.47%
|
185/85-17
d=29.38
w=6.19
-20.50%
|
| 195 |
195/25-17
d=20.84
w=1.92
-43.61%
|
195/30-17
d=21.61
w=2.30
-41.54%
|
195/35-17
d=22.37
w=2.69
-39.46%
|
195/40-17
d=23.14
w=3.07
-37.38%
|
195/45-17
d=23.91
w=3.45
-35.30%
|
195/50-17
d=24.68
w=3.84
-33.23%
|
195/55-17
d=25.44
w=4.22
-31.15%
|
195/60-17
d=26.21
w=4.61
-29.07%
|
195/65-17
d=26.98
w=4.99
-26.99%
|
195/70-17
d=27.75
w=5.37
-24.92%
|
195/75-17
d=28.52
w=5.76
-22.84%
|
195/80-17
d=29.28
w=6.14
-20.76%
|
195/85-17
d=30.05
w=6.53
-18.69%
|
| 205 |
205/25-17
d=21.04
w=2.02
-43.08%
|
205/30-17
d=21.84
w=2.42
-40.90%
|
205/35-17
d=22.65
w=2.82
-38.71%
|
205/40-17
d=23.46
w=3.23
-36.53%
|
205/45-17
d=24.26
w=3.63
-34.35%
|
205/50-17
d=25.07
w=4.04
-32.16%
|
205/55-17
d=25.88
w=4.44
-29.98%
|
205/60-17
d=26.69
w=4.84
-27.79%
|
205/65-17
d=27.49
w=5.25
-25.61%
|
205/70-17
d=28.30
w=5.65
-23.43%
|
205/75-17
d=29.11
w=6.05
-21.24%
|
205/80-17
d=29.91
w=6.46
-19.06%
|
205/85-17
d=30.72
w=6.86
-16.87%
|
| 215 |
215/25-17
d=21.23
w=2.12
-42.55%
|
215/30-17
d=22.08
w=2.54
-40.26%
|
215/35-17
d=22.93
w=2.96
-37.97%
|
215/40-17
d=23.77
w=3.39
-35.68%
|
215/45-17
d=24.62
w=3.81
-33.39%
|
215/50-17
d=25.46
w=4.23
-31.10%
|
215/55-17
d=26.31
w=4.66
-28.81%
|
215/60-17
d=27.16
w=5.08
-26.52%
|
215/65-17
d=28.00
w=5.50
-24.22%
|
215/70-17
d=28.85
w=5.93
-21.93%
|
215/75-17
d=29.70
w=6.35
-19.64%
|
215/80-17
d=30.54
w=6.77
-17.35%
|
215/85-17
d=31.39
w=7.19
-15.06%
|
| 225 |
225/25-17
d=21.43
w=2.21
-42.02%
|
225/30-17
d=22.31
w=2.66
-39.62%
|
225/35-17
d=23.20
w=3.10
-37.22%
|
225/40-17
d=24.09
w=3.54
-34.82%
|
225/45-17
d=24.97
w=3.99
-32.43%
|
225/50-17
d=25.86
w=4.43
-30.03%
|
225/55-17
d=26.74
w=4.87
-27.63%
|
225/60-17
d=27.63
w=5.31
-25.24%
|
225/65-17
d=28.52
w=5.76
-22.84%
|
225/70-17
d=29.40
w=6.20
-20.44%
|
225/75-17
d=30.29
w=6.64
-18.05%
|
225/80-17
d=31.17
w=7.09
-15.65%
|
225/85-17
d=32.06
w=7.53
-13.25%
|
| 235 |
235/25-17
d=21.63
w=2.31
-41.48%
|
235/30-17
d=22.55
w=2.78
-38.98%
|
235/35-17
d=23.48
w=3.24
-36.48%
|
235/40-17
d=24.40
w=3.70
-33.97%
|
235/45-17
d=25.33
w=4.16
-31.47%
|
235/50-17
d=26.25
w=4.63
-28.97%
|
235/55-17
d=27.18
w=5.09
-26.46%
|
235/60-17
d=28.10
w=5.55
-23.96%
|
235/65-17
d=29.03
w=6.01
-21.46%
|
235/70-17
d=29.95
w=6.48
-18.95%
|
235/75-17
d=30.88
w=6.94
-16.45%
|
235/80-17
d=31.80
w=7.40
-13.94%
|
235/85-17
d=32.73
w=7.86
-11.44%
|
| 245 |
245/25-17
d=21.82
w=2.41
-40.95%
|
245/30-17
d=22.79
w=2.89
-38.34%
|
245/35-17
d=23.75
w=3.38
-35.73%
|
245/40-17
d=24.72
w=3.86
-33.12%
|
245/45-17
d=25.68
w=4.34
-30.51%
|
245/50-17
d=26.65
w=4.82
-27.90%
|
245/55-17
d=27.61
w=5.31
-25.29%
|
245/60-17
d=28.57
w=5.79
-22.68%
|
245/65-17
d=29.54
w=6.27
-20.07%
|
245/70-17
d=30.50
w=6.75
-17.46%
|
245/75-17
d=31.47
w=7.23
-14.85%
|
245/80-17
d=32.43
w=7.72
-12.24%
|
245/85-17
d=33.40
w=8.20
-9.63%
|
| 255 |
255/25-17
d=22.02
w=2.51
-40.42%
|
255/30-17
d=23.02
w=3.01
-37.70%
|
255/35-17
d=24.03
w=3.51
-34.98%
|
255/40-17
d=25.03
w=4.02
-32.27%
|
255/45-17
d=26.04
w=4.52
-29.55%
|
255/50-17
d=27.04
w=5.02
-26.83%
|
255/55-17
d=28.04
w=5.52
-24.12%
|
255/60-17
d=29.05
w=6.02
-21.40%
|
255/65-17
d=30.05
w=6.53
-18.69%
|
255/70-17
d=31.06
w=7.03
-15.97%
|
255/75-17
d=32.06
w=7.53
-13.25%
|
255/80-17
d=33.06
w=8.03
-10.54%
|
255/85-17
d=34.07
w=8.53
-7.82%
|
| 265 |
265/25-17
d=22.22
w=2.61
-39.88%
|
265/30-17
d=23.26
w=3.13
-37.06%
|
265/35-17
d=24.30
w=3.65
-34.24%
|
265/40-17
d=25.35
w=4.17
-31.42%
|
265/45-17
d=26.39
w=4.69
-28.59%
|
265/50-17
d=27.43
w=5.22
-25.77%
|
265/55-17
d=28.48
w=5.74
-22.95%
|
265/60-17
d=29.52
w=6.26
-20.12%
|
265/65-17
d=30.56
w=6.78
-17.30%
|
265/70-17
d=31.61
w=7.30
-14.48%
|
265/75-17
d=32.65
w=7.82
-11.65%
|
265/80-17
d=33.69
w=8.35
-8.83%
|
265/85-17
d=34.74
w=8.87
-6.01%
|
| 275 |
275/25-17
d=22.41
w=2.71
-39.35%
|
275/30-17
d=23.50
w=3.25
-36.42%
|
275/35-17
d=24.58
w=3.79
-33.49%
|
275/40-17
d=25.66
w=4.33
-30.56%
|
275/45-17
d=26.74
w=4.87
-27.63%
|
275/50-17
d=27.83
w=5.41
-24.70%
|
275/55-17
d=28.91
w=5.95
-21.77%
|
275/60-17
d=29.99
w=6.50
-18.85%
|
275/65-17
d=31.07
w=7.04
-15.92%
|
275/70-17
d=32.16
w=7.58
-12.99%
|
275/75-17
d=33.24
w=8.12
-10.06%
|
275/80-17
d=34.32
w=8.66
-7.13%
|
275/85-17
d=35.41
w=9.20
-4.20%
|
| 285 |
285/25-17
d=22.61
w=2.81
-38.82%
|
285/30-17
d=23.73
w=3.37
-35.78%
|
285/35-17
d=24.85
w=3.93
-32.75%
|
285/40-17
d=25.98
w=4.49
-29.71%
|
285/45-17
d=27.10
w=5.05
-26.68%
|
285/50-17
d=28.22
w=5.61
-23.64%
|
285/55-17
d=29.34
w=6.17
-20.60%
|
285/60-17
d=30.46
w=6.73
-17.57%
|
285/65-17
d=31.59
w=7.29
-14.53%
|
285/70-17
d=32.71
w=7.85
-11.49%
|
285/75-17
d=33.83
w=8.42
-8.46%
|
285/80-17
d=34.95
w=8.98
-5.42%
|
285/85-17
d=36.07
w=9.54
-2.39%
|
| 295 |
295/25-17
d=22.81
w=2.90
-38.29%
|
295/30-17
d=23.97
w=3.48
-35.14%
|
295/35-17
d=25.13
w=4.06
-32.00%
|
295/40-17
d=26.29
w=4.65
-28.86%
|
295/45-17
d=27.45
w=5.23
-25.72%
|
295/50-17
d=28.61
w=5.81
-22.57%
|
295/55-17
d=29.78
w=6.39
-19.43%
|
295/60-17
d=30.94
w=6.97
-16.29%
|
295/65-17
d=32.10
w=7.55
-13.15%
|
295/70-17
d=33.26
w=8.13
-10.00%
|
295/75-17
d=34.42
w=8.71
-6.86%
|
295/80-17
d=35.58
w=9.29
-3.72%
|
295/85-17
d=36.74
w=9.87
-0.58%
|
| 305 |
305/25-17
d=23.00
w=3.00
-37.75%
|
305/30-17
d=24.20
w=3.60
-34.51%
|
305/35-17
d=25.41
w=4.20
-31.26%
|
305/40-17
d=26.61
w=4.80
-28.01%
|
305/45-17
d=27.81
w=5.40
-24.76%
|
305/50-17
d=29.01
w=6.00
-21.51%
|
305/55-17
d=30.21
w=6.60
-18.26%
|
305/60-17
d=31.41
w=7.20
-15.01%
|
305/65-17
d=32.61
w=7.81
-11.76%
|
305/70-17
d=33.81
w=8.41
-8.51%
|
305/75-17
d=35.01
w=9.01
-5.26%
|
305/80-17
d=36.21
w=9.61
-2.01%
|
305/85-17
d=37.41
w=10.21
+1.24%
|
| 315 |
315/25-17
d=23.20
w=3.10
-37.22%
|
315/30-17
d=24.44
w=3.72
-33.87%
|
315/35-17
d=25.68
w=4.34
-30.51%
|
315/40-17
d=26.92
w=4.96
-27.15%
|
315/45-17
d=28.16
w=5.58
-23.80%
|
315/50-17
d=29.40
w=6.20
-20.44%
|
315/55-17
d=30.64
w=6.82
-17.09%
|
315/60-17
d=31.88
w=7.44
-13.73%
|
315/65-17
d=33.12
w=8.06
-10.38%
|
315/70-17
d=34.36
w=8.68
-7.02%
|
315/75-17
d=35.60
w=9.30
-3.66%
|
315/80-17
d=36.84
w=9.92
-0.31%
|
315/85-17
d=38.08
w=10.54
+3.05%
|
| 325 |
325/25-17
d=23.40
w=3.20
-36.69%
|
325/30-17
d=24.68
w=3.84
-33.23%
|
325/35-17
d=25.96
w=4.48
-29.76%
|
325/40-17
d=27.24
w=5.12
-26.30%
|
325/45-17
d=28.52
w=5.76
-22.84%
|
325/50-17
d=29.80
w=6.40
-19.38%
|
325/55-17
d=31.07
w=7.04
-15.92%
|
325/60-17
d=32.35
w=7.68
-12.45%
|
325/65-17
d=33.63
w=8.32
-8.99%
|
325/70-17
d=34.91
w=8.96
-5.53%
|
325/75-17
d=36.19
w=9.60
-2.07%
|
325/80-17
d=37.47
w=10.24
+1.40%
|
325/85-17
d=38.75
w=10.88
+4.86%
|
| 335 |
335/25-17
d=23.59
w=3.30
-36.16%
|
335/30-17
d=24.91
w=3.96
-32.59%
|
335/35-17
d=26.23
w=4.62
-29.02%
|
335/40-17
d=27.55
w=5.28
-25.45%
|
335/45-17
d=28.87
w=5.94
-21.88%
|
335/50-17
d=30.19
w=6.59
-18.31%
|
335/55-17
d=31.51
w=7.25
-14.74%
|
335/60-17
d=32.83
w=7.91
-11.18%
|
335/65-17
d=34.15
w=8.57
-7.61%
|
335/70-17
d=35.46
w=9.23
-4.04%
|
335/75-17
d=36.78
w=9.89
-0.47%
|
335/80-17
d=38.10
w=10.55
+3.10%
|
335/85-17
d=39.42
w=11.21
+6.67%
|
|
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!