| Code | Difference | = 50mph | 1000miles = | Diameter | Wall,in | Wall,mm |
|---|
| Ratio: | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Wheel Size 12
|
|||||||||||||
|
Wheel Size 13
|
|||||||||||||
|
Wheel Size 14
|
|||||||||||||
| 145 |
145/25-14
d=16.85
w=1.43
-54.98%
|
145/30-14
d=17.43
w=1.71
-53.46%
|
145/35-14
d=18.00
w=2.00
-51.93%
|
145/40-14
d=18.57
w=2.28
-50.41%
|
145/45-14
d=19.14
w=2.57
-48.89%
|
145/50-14
d=19.71
w=2.85
-47.36%
|
145/55-14
d=20.28
w=3.14
-45.84%
|
145/60-14
d=20.85
w=3.43
-44.31%
|
145/65-14
d=21.42
w=3.71
-42.79%
|
145/70-14
d=21.99
w=4.00
-41.26%
|
145/75-14
d=22.56
w=4.28
-39.74%
|
145/80-14
d=23.13
w=4.57
-38.21%
|
145/85-14
d=23.70
w=4.85
-36.69%
|
| 155 |
155/25-14
d=17.05
w=1.53
-54.46%
|
155/30-14
d=17.66
w=1.83
-52.83%
|
155/35-14
d=18.27
w=2.14
-51.20%
|
155/40-14
d=18.88
w=2.44
-49.57%
|
155/45-14
d=19.49
w=2.75
-47.94%
|
155/50-14
d=20.10
w=3.05
-46.31%
|
155/55-14
d=20.71
w=3.36
-44.68%
|
155/60-14
d=21.32
w=3.66
-43.05%
|
155/65-14
d=21.93
w=3.97
-41.42%
|
155/70-14
d=22.54
w=4.27
-39.79%
|
155/75-14
d=23.15
w=4.58
-38.16%
|
155/80-14
d=23.76
w=4.88
-36.53%
|
155/85-14
d=24.37
w=5.19
-34.90%
|
| 165 |
165/25-14
d=17.25
w=1.62
-53.93%
|
165/30-14
d=17.90
w=1.95
-52.20%
|
165/35-14
d=18.55
w=2.27
-50.46%
|
165/40-14
d=19.20
w=2.60
-48.73%
|
165/45-14
d=19.85
w=2.92
-46.99%
|
165/50-14
d=20.50
w=3.25
-45.26%
|
165/55-14
d=21.15
w=3.57
-43.52%
|
165/60-14
d=21.80
w=3.90
-41.79%
|
165/65-14
d=22.44
w=4.22
-40.05%
|
165/70-14
d=23.09
w=4.55
-38.32%
|
165/75-14
d=23.74
w=4.87
-36.58%
|
165/80-14
d=24.39
w=5.20
-34.85%
|
165/85-14
d=25.04
w=5.52
-33.11%
|
| 175 |
175/25-14
d=17.44
w=1.72
-53.41%
|
175/30-14
d=18.13
w=2.07
-51.57%
|
175/35-14
d=18.82
w=2.41
-49.73%
|
175/40-14
d=19.51
w=2.76
-47.89%
|
175/45-14
d=20.20
w=3.10
-46.05%
|
175/50-14
d=20.89
w=3.44
-44.21%
|
175/55-14
d=21.58
w=3.79
-42.37%
|
175/60-14
d=22.27
w=4.13
-40.53%
|
175/65-14
d=22.96
w=4.48
-38.69%
|
175/70-14
d=23.65
w=4.82
-36.85%
|
175/75-14
d=24.33
w=5.17
-35.01%
|
175/80-14
d=25.02
w=5.51
-33.17%
|
175/85-14
d=25.71
w=5.86
-31.32%
|
| 185 |
185/25-14
d=17.64
w=1.82
-52.88%
|
185/30-14
d=18.37
w=2.19
-50.94%
|
185/35-14
d=19.10
w=2.55
-48.99%
|
185/40-14
d=19.83
w=2.91
-47.05%
|
185/45-14
d=20.56
w=3.28
-45.10%
|
185/50-14
d=21.28
w=3.64
-43.15%
|
185/55-14
d=22.01
w=4.01
-41.21%
|
185/60-14
d=22.74
w=4.37
-39.26%
|
185/65-14
d=23.47
w=4.73
-37.32%
|
185/70-14
d=24.20
w=5.10
-35.37%
|
185/75-14
d=24.93
w=5.46
-33.43%
|
185/80-14
d=25.65
w=5.83
-31.48%
|
185/85-14
d=26.38
w=6.19
-29.54%
|
| 195 |
195/25-14
d=17.84
w=1.92
-52.36%
|
195/30-14
d=18.61
w=2.30
-50.30%
|
195/35-14
d=19.37
w=2.69
-48.25%
|
195/40-14
d=20.14
w=3.07
-46.20%
|
195/45-14
d=20.91
w=3.45
-44.15%
|
195/50-14
d=21.68
w=3.84
-42.10%
|
195/55-14
d=22.44
w=4.22
-40.05%
|
195/60-14
d=23.21
w=4.61
-38.00%
|
195/65-14
d=23.98
w=4.99
-35.95%
|
195/70-14
d=24.75
w=5.37
-33.90%
|
195/75-14
d=25.52
w=5.76
-31.85%
|
195/80-14
d=26.28
w=6.14
-29.80%
|
195/85-14
d=27.05
w=6.53
-27.75%
|
| 205 |
205/25-14
d=18.04
w=2.02
-51.83%
|
205/30-14
d=18.84
w=2.42
-49.67%
|
205/35-14
d=19.65
w=2.82
-47.52%
|
205/40-14
d=20.46
w=3.23
-45.36%
|
205/45-14
d=21.26
w=3.63
-43.21%
|
205/50-14
d=22.07
w=4.04
-41.05%
|
205/55-14
d=22.88
w=4.44
-38.90%
|
205/60-14
d=23.69
w=4.84
-36.74%
|
205/65-14
d=24.49
w=5.25
-34.58%
|
205/70-14
d=25.30
w=5.65
-32.43%
|
205/75-14
d=26.11
w=6.05
-30.27%
|
205/80-14
d=26.91
w=6.46
-28.12%
|
205/85-14
d=27.72
w=6.86
-25.96%
|
| 215 |
215/25-14
d=18.23
w=2.12
-51.30%
|
215/30-14
d=19.08
w=2.54
-49.04%
|
215/35-14
d=19.93
w=2.96
-46.78%
|
215/40-14
d=20.77
w=3.39
-44.52%
|
215/45-14
d=21.62
w=3.81
-42.26%
|
215/50-14
d=22.46
w=4.23
-40.00%
|
215/55-14
d=23.31
w=4.66
-37.74%
|
215/60-14
d=24.16
w=5.08
-35.48%
|
215/65-14
d=25.00
w=5.50
-33.22%
|
215/70-14
d=25.85
w=5.93
-30.96%
|
215/75-14
d=26.70
w=6.35
-28.70%
|
215/80-14
d=27.54
w=6.77
-26.44%
|
215/85-14
d=28.39
w=7.19
-24.17%
|
| 225 |
225/25-14
d=18.43
w=2.21
-50.78%
|
225/30-14
d=19.31
w=2.66
-48.41%
|
225/35-14
d=20.20
w=3.10
-46.05%
|
225/40-14
d=21.09
w=3.54
-43.68%
|
225/45-14
d=21.97
w=3.99
-41.31%
|
225/50-14
d=22.86
w=4.43
-38.95%
|
225/55-14
d=23.74
w=4.87
-36.58%
|
225/60-14
d=24.63
w=5.31
-34.22%
|
225/65-14
d=25.52
w=5.76
-31.85%
|
225/70-14
d=26.40
w=6.20
-29.48%
|
225/75-14
d=27.29
w=6.64
-27.12%
|
225/80-14
d=28.17
w=7.09
-24.75%
|
225/85-14
d=29.06
w=7.53
-22.39%
|
| 235 |
235/25-14
d=18.63
w=2.31
-50.25%
|
235/30-14
d=19.55
w=2.78
-47.78%
|
235/35-14
d=20.48
w=3.24
-45.31%
|
235/40-14
d=21.40
w=3.70
-42.84%
|
235/45-14
d=22.33
w=4.16
-40.37%
|
235/50-14
d=23.25
w=4.63
-37.90%
|
235/55-14
d=24.18
w=5.09
-35.43%
|
235/60-14
d=25.10
w=5.55
-32.95%
|
235/65-14
d=26.03
w=6.01
-30.48%
|
235/70-14
d=26.95
w=6.48
-28.01%
|
235/75-14
d=27.88
w=6.94
-25.54%
|
235/80-14
d=28.80
w=7.40
-23.07%
|
235/85-14
d=29.73
w=7.86
-20.60%
|
| 245 |
245/25-14
d=18.82
w=2.41
-49.73%
|
245/30-14
d=19.79
w=2.89
-47.15%
|
245/35-14
d=20.75
w=3.38
-44.57%
|
245/40-14
d=21.72
w=3.86
-42.00%
|
245/45-14
d=22.68
w=4.34
-39.42%
|
245/50-14
d=23.65
w=4.82
-36.85%
|
245/55-14
d=24.61
w=5.31
-34.27%
|
245/60-14
d=25.57
w=5.79
-31.69%
|
245/65-14
d=26.54
w=6.27
-29.12%
|
245/70-14
d=27.50
w=6.75
-26.54%
|
245/75-14
d=28.47
w=7.23
-23.96%
|
245/80-14
d=29.43
w=7.72
-21.39%
|
245/85-14
d=30.40
w=8.20
-18.81%
|
| 255 |
255/25-14
d=19.02
w=2.51
-49.20%
|
255/30-14
d=20.02
w=3.01
-46.52%
|
255/35-14
d=21.03
w=3.51
-43.84%
|
255/40-14
d=22.03
w=4.02
-41.16%
|
255/45-14
d=23.04
w=4.52
-38.48%
|
255/50-14
d=24.04
w=5.02
-35.79%
|
255/55-14
d=25.04
w=5.52
-33.11%
|
255/60-14
d=26.05
w=6.02
-30.43%
|
255/65-14
d=27.05
w=6.53
-27.75%
|
255/70-14
d=28.06
w=7.03
-25.07%
|
255/75-14
d=29.06
w=7.53
-22.39%
|
255/80-14
d=30.06
w=8.03
-19.71%
|
255/85-14
d=31.07
w=8.53
-17.02%
|
| 265 |
265/25-14
d=19.22
w=2.61
-48.68%
|
265/30-14
d=20.26
w=3.13
-45.89%
|
265/35-14
d=21.30
w=3.65
-43.10%
|
265/40-14
d=22.35
w=4.17
-40.32%
|
265/45-14
d=23.39
w=4.69
-37.53%
|
265/50-14
d=24.43
w=5.22
-34.74%
|
265/55-14
d=25.48
w=5.74
-31.96%
|
265/60-14
d=26.52
w=6.26
-29.17%
|
265/65-14
d=27.56
w=6.78
-26.38%
|
265/70-14
d=28.61
w=7.30
-23.60%
|
265/75-14
d=29.65
w=7.82
-20.81%
|
265/80-14
d=30.69
w=8.35
-18.02%
|
265/85-14
d=31.74
w=8.87
-15.24%
|
| 275 |
275/25-14
d=19.41
w=2.71
-48.15%
|
275/30-14
d=20.50
w=3.25
-45.26%
|
275/35-14
d=21.58
w=3.79
-42.37%
|
275/40-14
d=22.66
w=4.33
-39.47%
|
275/45-14
d=23.74
w=4.87
-36.58%
|
275/50-14
d=24.83
w=5.41
-33.69%
|
275/55-14
d=25.91
w=5.95
-30.80%
|
275/60-14
d=26.99
w=6.50
-27.91%
|
275/65-14
d=28.07
w=7.04
-25.02%
|
275/70-14
d=29.16
w=7.58
-22.12%
|
275/75-14
d=30.24
w=8.12
-19.23%
|
275/80-14
d=31.32
w=8.66
-16.34%
|
275/85-14
d=32.41
w=9.20
-13.45%
|
| 285 |
285/25-14
d=19.61
w=2.81
-47.62%
|
285/30-14
d=20.73
w=3.37
-44.63%
|
285/35-14
d=21.85
w=3.93
-41.63%
|
285/40-14
d=22.98
w=4.49
-38.63%
|
285/45-14
d=24.10
w=5.05
-35.64%
|
285/50-14
d=25.22
w=5.61
-32.64%
|
285/55-14
d=26.34
w=6.17
-29.64%
|
285/60-14
d=27.46
w=6.73
-26.65%
|
285/65-14
d=28.59
w=7.29
-23.65%
|
285/70-14
d=29.71
w=7.85
-20.65%
|
285/75-14
d=30.83
w=8.42
-17.66%
|
285/80-14
d=31.95
w=8.98
-14.66%
|
285/85-14
d=33.07
w=9.54
-11.66%
|
| 295 |
295/25-14
d=19.81
w=2.90
-47.10%
|
295/30-14
d=20.97
w=3.48
-44.00%
|
295/35-14
d=22.13
w=4.06
-40.89%
|
295/40-14
d=23.29
w=4.65
-37.79%
|
295/45-14
d=24.45
w=5.23
-34.69%
|
295/50-14
d=25.61
w=5.81
-31.59%
|
295/55-14
d=26.78
w=6.39
-28.49%
|
295/60-14
d=27.94
w=6.97
-25.38%
|
295/65-14
d=29.10
w=7.55
-22.28%
|
295/70-14
d=30.26
w=8.13
-19.18%
|
295/75-14
d=31.42
w=8.71
-16.08%
|
295/80-14
d=32.58
w=9.29
-12.98%
|
295/85-14
d=33.74
w=9.87
-9.87%
|
| 305 |
305/25-14
d=20.00
w=3.00
-46.57%
|
305/30-14
d=21.20
w=3.60
-43.36%
|
305/35-14
d=22.41
w=4.20
-40.16%
|
305/40-14
d=23.61
w=4.80
-36.95%
|
305/45-14
d=24.81
w=5.40
-33.74%
|
305/50-14
d=26.01
w=6.00
-30.54%
|
305/55-14
d=27.21
w=6.60
-27.33%
|
305/60-14
d=28.41
w=7.20
-24.12%
|
305/65-14
d=29.61
w=7.81
-20.91%
|
305/70-14
d=30.81
w=8.41
-17.71%
|
305/75-14
d=32.01
w=9.01
-14.50%
|
305/80-14
d=33.21
w=9.61
-11.29%
|
305/85-14
d=34.41
w=10.21
-8.09%
|
| 315 |
315/25-14
d=20.20
w=3.10
-46.05%
|
315/30-14
d=21.44
w=3.72
-42.73%
|
315/35-14
d=22.68
w=4.34
-39.42%
|
315/40-14
d=23.92
w=4.96
-36.11%
|
315/45-14
d=25.16
w=5.58
-32.80%
|
315/50-14
d=26.40
w=6.20
-29.48%
|
315/55-14
d=27.64
w=6.82
-26.17%
|
315/60-14
d=28.88
w=7.44
-22.86%
|
315/65-14
d=30.12
w=8.06
-19.55%
|
315/70-14
d=31.36
w=8.68
-16.24%
|
315/75-14
d=32.60
w=9.30
-12.92%
|
315/80-14
d=33.84
w=9.92
-9.61%
|
315/85-14
d=35.08
w=10.54
-6.30%
|
| 325 |
325/25-14
d=20.40
w=3.20
-45.52%
|
325/30-14
d=21.68
w=3.84
-42.10%
|
325/35-14
d=22.96
w=4.48
-38.69%
|
325/40-14
d=24.24
w=5.12
-35.27%
|
325/45-14
d=25.52
w=5.76
-31.85%
|
325/50-14
d=26.80
w=6.40
-28.43%
|
325/55-14
d=28.07
w=7.04
-25.02%
|
325/60-14
d=29.35
w=7.68
-21.60%
|
325/65-14
d=30.63
w=8.32
-18.18%
|
325/70-14
d=31.91
w=8.96
-14.76%
|
325/75-14
d=33.19
w=9.60
-11.35%
|
325/80-14
d=34.47
w=10.24
-7.93%
|
325/85-14
d=35.75
w=10.88
-4.51%
|
| 335 |
335/25-14
d=20.59
w=3.30
-44.99%
|
335/30-14
d=21.91
w=3.96
-41.47%
|
335/35-14
d=23.23
w=4.62
-37.95%
|
335/40-14
d=24.55
w=5.28
-34.43%
|
335/45-14
d=25.87
w=5.94
-30.90%
|
335/50-14
d=27.19
w=6.59
-27.38%
|
335/55-14
d=28.51
w=7.25
-23.86%
|
335/60-14
d=29.83
w=7.91
-20.34%
|
335/65-14
d=31.15
w=8.57
-16.81%
|
335/70-14
d=32.46
w=9.23
-13.29%
|
335/75-14
d=33.78
w=9.89
-9.77%
|
335/80-14
d=35.10
w=10.55
-6.25%
|
335/85-14
d=36.42
w=11.21
-2.72%
|
|
Wheel Size 15
|
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Wheel Size 16
|
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|
Wheel Size 16.5
|
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|
Wheel Size 17
|
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|
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!