| Code | Difference | = 50mph | 1000miles = | Diameter | Wall,in | Wall,mm |
|---|---|---|---|---|---|---|
| 285/85-18 | +0.32 % | 50.16 | 996.80 | 37.07 | 9.54 | 242.25 |
| 325/75-18 | +0.64 % | 50.32 | 993.61 | 37.19 | 9.60 | 243.75 |
| 305/80-18 | +0.69 % | 50.35 | 993.08 | 37.21 | 9.61 | 244.00 |
| 315/75-18 | -0.96 % | 49.52 | 1,009.59 | 36.60 | 9.30 | 236.25 |
| 295/80-18 | -1.01 % | 49.49 | 1,010.12 | 36.58 | 9.29 | 236.00 |
| 335/70-18 | -1.33 % | 49.33 | 1,013.32 | 36.46 | 9.23 | 234.50 |
| 275/85-18 | -1.49 % | 49.25 | 1,014.91 | 36.41 | 9.20 | 233.75 |
| Ratio: | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Wheel Size 12
|
|||||||||||||
| 145 |
145/25-12
d=14.85
w=1.43
-59.81%
|
145/30-12
d=15.43
w=1.71
-58.26%
|
145/35-12
d=16.00
w=2.00
-56.72%
|
145/40-12
d=16.57
w=2.28
-55.17%
|
145/45-12
d=17.14
w=2.57
-53.63%
|
145/50-12
d=17.71
w=2.85
-52.08%
|
145/55-12
d=18.28
w=3.14
-50.54%
|
145/60-12
d=18.85
w=3.43
-48.99%
|
145/65-12
d=19.42
w=3.71
-47.45%
|
145/70-12
d=19.99
w=4.00
-45.90%
|
145/75-12
d=20.56
w=4.28
-44.36%
|
145/80-12
d=21.13
w=4.57
-42.81%
|
145/85-12
d=21.70
w=4.85
-41.27%
|
| 155 |
155/25-12
d=15.05
w=1.53
-59.27%
|
155/30-12
d=15.66
w=1.83
-57.62%
|
155/35-12
d=16.27
w=2.14
-55.97%
|
155/40-12
d=16.88
w=2.44
-54.32%
|
155/45-12
d=17.49
w=2.75
-52.67%
|
155/50-12
d=18.10
w=3.05
-51.02%
|
155/55-12
d=18.71
w=3.36
-49.37%
|
155/60-12
d=19.32
w=3.66
-47.71%
|
155/65-12
d=19.93
w=3.97
-46.06%
|
155/70-12
d=20.54
w=4.27
-44.41%
|
155/75-12
d=21.15
w=4.58
-42.76%
|
155/80-12
d=21.76
w=4.88
-41.11%
|
155/85-12
d=22.37
w=5.19
-39.46%
|
| 165 |
165/25-12
d=15.25
w=1.62
-58.74%
|
165/30-12
d=15.90
w=1.95
-56.98%
|
165/35-12
d=16.55
w=2.27
-55.23%
|
165/40-12
d=17.20
w=2.60
-53.47%
|
165/45-12
d=17.85
w=2.92
-51.71%
|
165/50-12
d=18.50
w=3.25
-49.95%
|
165/55-12
d=19.15
w=3.57
-48.19%
|
165/60-12
d=19.80
w=3.90
-46.44%
|
165/65-12
d=20.44
w=4.22
-44.68%
|
165/70-12
d=21.09
w=4.55
-42.92%
|
165/75-12
d=21.74
w=4.87
-41.16%
|
165/80-12
d=22.39
w=5.20
-39.41%
|
165/85-12
d=23.04
w=5.52
-37.65%
|
| 175 |
175/25-12
d=15.44
w=1.72
-58.21%
|
175/30-12
d=16.13
w=2.07
-56.34%
|
175/35-12
d=16.82
w=2.41
-54.48%
|
175/40-12
d=17.51
w=2.76
-52.62%
|
175/45-12
d=18.20
w=3.10
-50.75%
|
175/50-12
d=18.89
w=3.44
-48.89%
|
175/55-12
d=19.58
w=3.79
-47.02%
|
175/60-12
d=20.27
w=4.13
-45.16%
|
175/65-12
d=20.96
w=4.48
-43.29%
|
175/70-12
d=21.65
w=4.82
-41.43%
|
175/75-12
d=22.33
w=5.17
-39.57%
|
175/80-12
d=23.02
w=5.51
-37.70%
|
175/85-12
d=23.71
w=5.86
-35.84%
|
| 185 |
185/25-12
d=15.64
w=1.82
-57.68%
|
185/30-12
d=16.37
w=2.19
-55.70%
|
185/35-12
d=17.10
w=2.55
-53.73%
|
185/40-12
d=17.83
w=2.91
-51.76%
|
185/45-12
d=18.56
w=3.28
-49.79%
|
185/50-12
d=19.28
w=3.64
-47.82%
|
185/55-12
d=20.01
w=4.01
-45.85%
|
185/60-12
d=20.74
w=4.37
-43.88%
|
185/65-12
d=21.47
w=4.73
-41.91%
|
185/70-12
d=22.20
w=5.10
-39.94%
|
185/75-12
d=22.93
w=5.46
-37.97%
|
185/80-12
d=23.65
w=5.83
-36.00%
|
185/85-12
d=24.38
w=6.19
-34.03%
|
| 195 |
195/25-12
d=15.84
w=1.92
-57.14%
|
195/30-12
d=16.61
w=2.30
-55.07%
|
195/35-12
d=17.37
w=2.69
-52.99%
|
195/40-12
d=18.14
w=3.07
-50.91%
|
195/45-12
d=18.91
w=3.45
-48.83%
|
195/50-12
d=19.68
w=3.84
-46.76%
|
195/55-12
d=20.44
w=4.22
-44.68%
|
195/60-12
d=21.21
w=4.61
-42.60%
|
195/65-12
d=21.98
w=4.99
-40.52%
|
195/70-12
d=22.75
w=5.37
-38.45%
|
195/75-12
d=23.52
w=5.76
-36.37%
|
195/80-12
d=24.28
w=6.14
-34.29%
|
195/85-12
d=25.05
w=6.53
-32.21%
|
| 205 |
205/25-12
d=16.04
w=2.02
-56.61%
|
205/30-12
d=16.84
w=2.42
-54.43%
|
205/35-12
d=17.65
w=2.82
-52.24%
|
205/40-12
d=18.46
w=3.23
-50.06%
|
205/45-12
d=19.26
w=3.63
-47.87%
|
205/50-12
d=20.07
w=4.04
-45.69%
|
205/55-12
d=20.88
w=4.44
-43.51%
|
205/60-12
d=21.69
w=4.84
-41.32%
|
205/65-12
d=22.49
w=5.25
-39.14%
|
205/70-12
d=23.30
w=5.65
-36.96%
|
205/75-12
d=24.11
w=6.05
-34.77%
|
205/80-12
d=24.91
w=6.46
-32.59%
|
205/85-12
d=25.72
w=6.86
-30.40%
|
| 215 |
215/25-12
d=16.23
w=2.12
-56.08%
|
215/30-12
d=17.08
w=2.54
-53.79%
|
215/35-12
d=17.93
w=2.96
-51.50%
|
215/40-12
d=18.77
w=3.39
-49.21%
|
215/45-12
d=19.62
w=3.81
-46.92%
|
215/50-12
d=20.46
w=4.23
-44.63%
|
215/55-12
d=21.31
w=4.66
-42.34%
|
215/60-12
d=22.16
w=5.08
-40.04%
|
215/65-12
d=23.00
w=5.50
-37.75%
|
215/70-12
d=23.85
w=5.93
-35.46%
|
215/75-12
d=24.70
w=6.35
-33.17%
|
215/80-12
d=25.54
w=6.77
-30.88%
|
215/85-12
d=26.39
w=7.19
-28.59%
|
| 225 |
225/25-12
d=16.43
w=2.21
-55.54%
|
225/30-12
d=17.31
w=2.66
-53.15%
|
225/35-12
d=18.20
w=3.10
-50.75%
|
225/40-12
d=19.09
w=3.54
-48.35%
|
225/45-12
d=19.97
w=3.99
-45.96%
|
225/50-12
d=20.86
w=4.43
-43.56%
|
225/55-12
d=21.74
w=4.87
-41.16%
|
225/60-12
d=22.63
w=5.31
-38.77%
|
225/65-12
d=23.52
w=5.76
-36.37%
|
225/70-12
d=24.40
w=6.20
-33.97%
|
225/75-12
d=25.29
w=6.64
-31.58%
|
225/80-12
d=26.17
w=7.09
-29.18%
|
225/85-12
d=27.06
w=7.53
-26.78%
|
| 235 |
235/25-12
d=16.63
w=2.31
-55.01%
|
235/30-12
d=17.55
w=2.78
-52.51%
|
235/35-12
d=18.48
w=3.24
-50.01%
|
235/40-12
d=19.40
w=3.70
-47.50%
|
235/45-12
d=20.33
w=4.16
-45.00%
|
235/50-12
d=21.25
w=4.63
-42.49%
|
235/55-12
d=22.18
w=5.09
-39.99%
|
235/60-12
d=23.10
w=5.55
-37.49%
|
235/65-12
d=24.03
w=6.01
-34.98%
|
235/70-12
d=24.95
w=6.48
-32.48%
|
235/75-12
d=25.88
w=6.94
-29.98%
|
235/80-12
d=26.80
w=7.40
-27.47%
|
235/85-12
d=27.73
w=7.86
-24.97%
|
| 245 |
245/25-12
d=16.82
w=2.41
-54.48%
|
245/30-12
d=17.79
w=2.89
-51.87%
|
245/35-12
d=18.75
w=3.38
-49.26%
|
245/40-12
d=19.72
w=3.86
-46.65%
|
245/45-12
d=20.68
w=4.34
-44.04%
|
245/50-12
d=21.65
w=4.82
-41.43%
|
245/55-12
d=22.61
w=5.31
-38.82%
|
245/60-12
d=23.57
w=5.79
-36.21%
|
245/65-12
d=24.54
w=6.27
-33.60%
|
245/70-12
d=25.50
w=6.75
-30.99%
|
245/75-12
d=26.47
w=7.23
-28.38%
|
245/80-12
d=27.43
w=7.72
-25.77%
|
245/85-12
d=28.40
w=8.20
-23.16%
|
| 255 |
255/25-12
d=17.02
w=2.51
-53.95%
|
255/30-12
d=18.02
w=3.01
-51.23%
|
255/35-12
d=19.03
w=3.51
-48.51%
|
255/40-12
d=20.03
w=4.02
-45.80%
|
255/45-12
d=21.04
w=4.52
-43.08%
|
255/50-12
d=22.04
w=5.02
-40.36%
|
255/55-12
d=23.04
w=5.52
-37.65%
|
255/60-12
d=24.05
w=6.02
-34.93%
|
255/65-12
d=25.05
w=6.53
-32.21%
|
255/70-12
d=26.06
w=7.03
-29.50%
|
255/75-12
d=27.06
w=7.53
-26.78%
|
255/80-12
d=28.06
w=8.03
-24.07%
|
255/85-12
d=29.07
w=8.53
-21.35%
|
| 265 |
265/25-12
d=17.22
w=2.61
-53.41%
|
265/30-12
d=18.26
w=3.13
-50.59%
|
265/35-12
d=19.30
w=3.65
-47.77%
|
265/40-12
d=20.35
w=4.17
-44.95%
|
265/45-12
d=21.39
w=4.69
-42.12%
|
265/50-12
d=22.43
w=5.22
-39.30%
|
265/55-12
d=23.48
w=5.74
-36.48%
|
265/60-12
d=24.52
w=6.26
-33.65%
|
265/65-12
d=25.56
w=6.78
-30.83%
|
265/70-12
d=26.61
w=7.30
-28.01%
|
265/75-12
d=27.65
w=7.82
-25.18%
|
265/80-12
d=28.69
w=8.35
-22.36%
|
265/85-12
d=29.74
w=8.87
-19.54%
|
| 275 |
275/25-12
d=17.41
w=2.71
-52.88%
|
275/30-12
d=18.50
w=3.25
-49.95%
|
275/35-12
d=19.58
w=3.79
-47.02%
|
275/40-12
d=20.66
w=4.33
-44.09%
|
275/45-12
d=21.74
w=4.87
-41.16%
|
275/50-12
d=22.83
w=5.41
-38.23%
|
275/55-12
d=23.91
w=5.95
-35.30%
|
275/60-12
d=24.99
w=6.50
-32.37%
|
275/65-12
d=26.07
w=7.04
-29.44%
|
275/70-12
d=27.16
w=7.58
-26.52%
|
275/75-12
d=28.24
w=8.12
-23.59%
|
275/80-12
d=29.32
w=8.66
-20.66%
|
275/85-12
d=30.41
w=9.20
-17.73%
|
| 285 |
285/25-12
d=17.61
w=2.81
-52.35%
|
285/30-12
d=18.73
w=3.37
-49.31%
|
285/35-12
d=19.85
w=3.93
-46.28%
|
285/40-12
d=20.98
w=4.49
-43.24%
|
285/45-12
d=22.10
w=5.05
-40.20%
|
285/50-12
d=23.22
w=5.61
-37.17%
|
285/55-12
d=24.34
w=6.17
-34.13%
|
285/60-12
d=25.46
w=6.73
-31.10%
|
285/65-12
d=26.59
w=7.29
-28.06%
|
285/70-12
d=27.71
w=7.85
-25.02%
|
285/75-12
d=28.83
w=8.42
-21.99%
|
285/80-12
d=29.95
w=8.98
-18.95%
|
285/85-12
d=31.07
w=9.54
-15.92%
|
| 295 |
295/25-12
d=17.81
w=2.90
-51.82%
|
295/30-12
d=18.97
w=3.48
-48.67%
|
295/35-12
d=20.13
w=4.06
-45.53%
|
295/40-12
d=21.29
w=4.65
-42.39%
|
295/45-12
d=22.45
w=5.23
-39.25%
|
295/50-12
d=23.61
w=5.81
-36.10%
|
295/55-12
d=24.78
w=6.39
-32.96%
|
295/60-12
d=25.94
w=6.97
-29.82%
|
295/65-12
d=27.10
w=7.55
-26.68%
|
295/70-12
d=28.26
w=8.13
-23.53%
|
295/75-12
d=29.42
w=8.71
-20.39%
|
295/80-12
d=30.58
w=9.29
-17.25%
|
295/85-12
d=31.74
w=9.87
-14.10%
|
| 305 |
305/25-12
d=18.00
w=3.00
-51.28%
|
305/30-12
d=19.20
w=3.60
-48.03%
|
305/35-12
d=20.41
w=4.20
-44.79%
|
305/40-12
d=21.61
w=4.80
-41.54%
|
305/45-12
d=22.81
w=5.40
-38.29%
|
305/50-12
d=24.01
w=6.00
-35.04%
|
305/55-12
d=25.21
w=6.60
-31.79%
|
305/60-12
d=26.41
w=7.20
-28.54%
|
305/65-12
d=27.61
w=7.81
-25.29%
|
305/70-12
d=28.81
w=8.41
-22.04%
|
305/75-12
d=30.01
w=9.01
-18.79%
|
305/80-12
d=31.21
w=9.61
-15.54%
|
305/85-12
d=32.41
w=10.21
-12.29%
|
| 315 |
315/25-12
d=18.20
w=3.10
-50.75%
|
315/30-12
d=19.44
w=3.72
-47.40%
|
315/35-12
d=20.68
w=4.34
-44.04%
|
315/40-12
d=21.92
w=4.96
-40.68%
|
315/45-12
d=23.16
w=5.58
-37.33%
|
315/50-12
d=24.40
w=6.20
-33.97%
|
315/55-12
d=25.64
w=6.82
-30.62%
|
315/60-12
d=26.88
w=7.44
-27.26%
|
315/65-12
d=28.12
w=8.06
-23.91%
|
315/70-12
d=29.36
w=8.68
-20.55%
|
315/75-12
d=30.60
w=9.30
-17.19%
|
315/80-12
d=31.84
w=9.92
-13.84%
|
315/85-12
d=33.08
w=10.54
-10.48%
|
| 325 |
325/25-12
d=18.40
w=3.20
-50.22%
|
325/30-12
d=19.68
w=3.84
-46.76%
|
325/35-12
d=20.96
w=4.48
-43.29%
|
325/40-12
d=22.24
w=5.12
-39.83%
|
325/45-12
d=23.52
w=5.76
-36.37%
|
325/50-12
d=24.80
w=6.40
-32.91%
|
325/55-12
d=26.07
w=7.04
-29.44%
|
325/60-12
d=27.35
w=7.68
-25.98%
|
325/65-12
d=28.63
w=8.32
-22.52%
|
325/70-12
d=29.91
w=8.96
-19.06%
|
325/75-12
d=31.19
w=9.60
-15.60%
|
325/80-12
d=32.47
w=10.24
-12.13%
|
325/85-12
d=33.75
w=10.88
-8.67%
|
| 335 |
335/25-12
d=18.59
w=3.30
-49.69%
|
335/30-12
d=19.91
w=3.96
-46.12%
|
335/35-12
d=21.23
w=4.62
-42.55%
|
335/40-12
d=22.55
w=5.28
-38.98%
|
335/45-12
d=23.87
w=5.94
-35.41%
|
335/50-12
d=25.19
w=6.59
-31.84%
|
335/55-12
d=26.51
w=7.25
-28.27%
|
335/60-12
d=27.83
w=7.91
-24.70%
|
335/65-12
d=29.15
w=8.57
-21.14%
|
335/70-12
d=30.46
w=9.23
-17.57%
|
335/75-12
d=31.78
w=9.89
-14.00%
|
335/80-12
d=33.10
w=10.55
-10.43%
|
335/85-12
d=34.42
w=11.21
-6.86%
|
|
Wheel Size 13
|
|||||||||||||
|
Wheel Size 14
|
|||||||||||||
|
Wheel Size 15
|
|||||||||||||
|
Wheel Size 16
|
|||||||||||||
|
Wheel Size 16.5
|
|||||||||||||
|
Wheel Size 17
|
|||||||||||||
|
Wheel Size 18
|
|||||||||||||
| 145 |
145/25-18
d=20.85
w=1.43
-43.57%
|
145/30-18
d=21.43
w=1.71
-42.03%
|
145/35-18
d=22.00
w=2.00
-40.48%
|
145/40-18
d=22.57
w=2.28
-38.94%
|
145/45-18
d=23.14
w=2.57
-37.39%
|
145/50-18
d=23.71
w=2.85
-35.85%
|
145/55-18
d=24.28
w=3.14
-34.30%
|
145/60-18
d=24.85
w=3.43
-32.76%
|
145/65-18
d=25.42
w=3.71
-31.21%
|
145/70-18
d=25.99
w=4.00
-29.67%
|
145/75-18
d=26.56
w=4.28
-28.12%
|
145/80-18
d=27.13
w=4.57
-26.58%
|
145/85-18
d=27.70
w=4.85
-25.03%
|
| 155 |
155/25-18
d=21.05
w=1.53
-43.04%
|
155/30-18
d=21.66
w=1.83
-41.39%
|
155/35-18
d=22.27
w=2.14
-39.74%
|
155/40-18
d=22.88
w=2.44
-38.08%
|
155/45-18
d=23.49
w=2.75
-36.43%
|
155/50-18
d=24.10
w=3.05
-34.78%
|
155/55-18
d=24.71
w=3.36
-33.13%
|
155/60-18
d=25.32
w=3.66
-31.48%
|
155/65-18
d=25.93
w=3.97
-29.83%
|
155/70-18
d=26.54
w=4.27
-28.18%
|
155/75-18
d=27.15
w=4.58
-26.53%
|
155/80-18
d=27.76
w=4.88
-24.87%
|
155/85-18
d=28.37
w=5.19
-23.22%
|
| 165 |
165/25-18
d=21.25
w=1.62
-42.51%
|
165/30-18
d=21.90
w=1.95
-40.75%
|
165/35-18
d=22.55
w=2.27
-38.99%
|
165/40-18
d=23.20
w=2.60
-37.23%
|
165/45-18
d=23.85
w=2.92
-35.47%
|
165/50-18
d=24.50
w=3.25
-33.72%
|
165/55-18
d=25.15
w=3.57
-31.96%
|
165/60-18
d=25.80
w=3.90
-30.20%
|
165/65-18
d=26.44
w=4.22
-28.44%
|
165/70-18
d=27.09
w=4.55
-26.69%
|
165/75-18
d=27.74
w=4.87
-24.93%
|
165/80-18
d=28.39
w=5.20
-23.17%
|
165/85-18
d=29.04
w=5.52
-21.41%
|
| 175 |
175/25-18
d=21.44
w=1.72
-41.97%
|
175/30-18
d=22.13
w=2.07
-40.11%
|
175/35-18
d=22.82
w=2.41
-38.24%
|
175/40-18
d=23.51
w=2.76
-36.38%
|
175/45-18
d=24.20
w=3.10
-34.52%
|
175/50-18
d=24.89
w=3.44
-32.65%
|
175/55-18
d=25.58
w=3.79
-30.79%
|
175/60-18
d=26.27
w=4.13
-28.92%
|
175/65-18
d=26.96
w=4.48
-27.06%
|
175/70-18
d=27.65
w=4.82
-25.19%
|
175/75-18
d=28.33
w=5.17
-23.33%
|
175/80-18
d=29.02
w=5.51
-21.47%
|
175/85-18
d=29.71
w=5.86
-19.60%
|
| 185 |
185/25-18
d=21.64
w=1.82
-41.44%
|
185/30-18
d=22.37
w=2.19
-39.47%
|
185/35-18
d=23.10
w=2.55
-37.50%
|
185/40-18
d=23.83
w=2.91
-35.53%
|
185/45-18
d=24.56
w=3.28
-33.56%
|
185/50-18
d=25.28
w=3.64
-31.59%
|
185/55-18
d=26.01
w=4.01
-29.62%
|
185/60-18
d=26.74
w=4.37
-27.64%
|
185/65-18
d=27.47
w=4.73
-25.67%
|
185/70-18
d=28.20
w=5.10
-23.70%
|
185/75-18
d=28.93
w=5.46
-21.73%
|
185/80-18
d=29.65
w=5.83
-19.76%
|
185/85-18
d=30.38
w=6.19
-17.79%
|
| 195 |
195/25-18
d=21.84
w=1.92
-40.91%
|
195/30-18
d=22.61
w=2.30
-38.83%
|
195/35-18
d=23.37
w=2.69
-36.75%
|
195/40-18
d=24.14
w=3.07
-34.68%
|
195/45-18
d=24.91
w=3.45
-32.60%
|
195/50-18
d=25.68
w=3.84
-30.52%
|
195/55-18
d=26.44
w=4.22
-28.44%
|
195/60-18
d=27.21
w=4.61
-26.37%
|
195/65-18
d=27.98
w=4.99
-24.29%
|
195/70-18
d=28.75
w=5.37
-22.21%
|
195/75-18
d=29.52
w=5.76
-20.13%
|
195/80-18
d=30.28
w=6.14
-18.06%
|
195/85-18
d=31.05
w=6.53
-15.98%
|
| 205 |
205/25-18
d=22.04
w=2.02
-40.37%
|
205/30-18
d=22.84
w=2.42
-38.19%
|
205/35-18
d=23.65
w=2.82
-36.01%
|
205/40-18
d=24.46
w=3.23
-33.82%
|
205/45-18
d=25.26
w=3.63
-31.64%
|
205/50-18
d=26.07
w=4.04
-29.46%
|
205/55-18
d=26.88
w=4.44
-27.27%
|
205/60-18
d=27.69
w=4.84
-25.09%
|
205/65-18
d=28.49
w=5.25
-22.90%
|
205/70-18
d=29.30
w=5.65
-20.72%
|
205/75-18
d=30.11
w=6.05
-18.54%
|
205/80-18
d=30.91
w=6.46
-16.35%
|
205/85-18
d=31.72
w=6.86
-14.17%
|
| 215 |
215/25-18
d=22.23
w=2.12
-39.84%
|
215/30-18
d=23.08
w=2.54
-37.55%
|
215/35-18
d=23.93
w=2.96
-35.26%
|
215/40-18
d=24.77
w=3.39
-32.97%
|
215/45-18
d=25.62
w=3.81
-30.68%
|
215/50-18
d=26.46
w=4.23
-28.39%
|
215/55-18
d=27.31
w=4.66
-26.10%
|
215/60-18
d=28.16
w=5.08
-23.81%
|
215/65-18
d=29.00
w=5.50
-21.52%
|
215/70-18
d=29.85
w=5.93
-19.23%
|
215/75-18
d=30.70
w=6.35
-16.94%
|
215/80-18
d=31.54
w=6.77
-14.65%
|
215/85-18
d=32.39
w=7.19
-12.36%
|
| 225 |
225/25-18
d=22.43
w=2.21
-39.31%
|
225/30-18
d=23.31
w=2.66
-36.91%
|
225/35-18
d=24.20
w=3.10
-34.52%
|
225/40-18
d=25.09
w=3.54
-32.12%
|
225/45-18
d=25.97
w=3.99
-29.72%
|
225/50-18
d=26.86
w=4.43
-27.33%
|
225/55-18
d=27.74
w=4.87
-24.93%
|
225/60-18
d=28.63
w=5.31
-22.53%
|
225/65-18
d=29.52
w=5.76
-20.13%
|
225/70-18
d=30.40
w=6.20
-17.74%
|
225/75-18
d=31.29
w=6.64
-15.34%
|
225/80-18
d=32.17
w=7.09
-12.94%
|
225/85-18
d=33.06
w=7.53
-10.55%
|
| 235 |
235/25-18
d=22.63
w=2.31
-38.78%
|
235/30-18
d=23.55
w=2.78
-36.27%
|
235/35-18
d=24.48
w=3.24
-33.77%
|
235/40-18
d=25.40
w=3.70
-31.27%
|
235/45-18
d=26.33
w=4.16
-28.76%
|
235/50-18
d=27.25
w=4.63
-26.26%
|
235/55-18
d=28.18
w=5.09
-23.76%
|
235/60-18
d=29.10
w=5.55
-21.25%
|
235/65-18
d=30.03
w=6.01
-18.75%
|
235/70-18
d=30.95
w=6.48
-16.25%
|
235/75-18
d=31.88
w=6.94
-13.74%
|
235/80-18
d=32.80
w=7.40
-11.24%
|
235/85-18
d=33.73
w=7.86
-8.74%
|
| 245 |
245/25-18
d=22.82
w=2.41
-38.24%
|
245/30-18
d=23.79
w=2.89
-35.63%
|
245/35-18
d=24.75
w=3.38
-33.02%
|
245/40-18
d=25.72
w=3.86
-30.41%
|
245/45-18
d=26.68
w=4.34
-27.80%
|
245/50-18
d=27.65
w=4.82
-25.19%
|
245/55-18
d=28.61
w=5.31
-22.58%
|
245/60-18
d=29.57
w=5.79
-19.97%
|
245/65-18
d=30.54
w=6.27
-17.36%
|
245/70-18
d=31.50
w=6.75
-14.75%
|
245/75-18
d=32.47
w=7.23
-12.14%
|
245/80-18
d=33.43
w=7.72
-9.53%
|
245/85-18
d=34.40
w=8.20
-6.92%
|
| 255 |
255/25-18
d=23.02
w=2.51
-37.71%
|
255/30-18
d=24.02
w=3.01
-35.00%
|
255/35-18
d=25.03
w=3.51
-32.28%
|
255/40-18
d=26.03
w=4.02
-29.56%
|
255/45-18
d=27.04
w=4.52
-26.85%
|
255/50-18
d=28.04
w=5.02
-24.13%
|
255/55-18
d=29.04
w=5.52
-21.41%
|
255/60-18
d=30.05
w=6.02
-18.70%
|
255/65-18
d=31.05
w=6.53
-15.98%
|
255/70-18
d=32.06
w=7.03
-13.26%
|
255/75-18
d=33.06
w=7.53
-10.55%
|
255/80-18
d=34.06
w=8.03
-7.83%
|
255/85-18
d=35.07
w=8.53
-5.11%
|
| 265 |
265/25-18
d=23.22
w=2.61
-37.18%
|
265/30-18
d=24.26
w=3.13
-34.36%
|
265/35-18
d=25.30
w=3.65
-31.53%
|
265/40-18
d=26.35
w=4.17
-28.71%
|
265/45-18
d=27.39
w=4.69
-25.89%
|
265/50-18
d=28.43
w=5.22
-23.06%
|
265/55-18
d=29.48
w=5.74
-20.24%
|
265/60-18
d=30.52
w=6.26
-17.42%
|
265/65-18
d=31.56
w=6.78
-14.59%
|
265/70-18
d=32.61
w=7.30
-11.77%
|
265/75-18
d=33.65
w=7.82
-8.95%
|
265/80-18
d=34.69
w=8.35
-6.13%
|
265/85-18
d=35.74
w=8.87
-3.30%
|
| 275 |
275/25-18
d=23.41
w=2.71
-36.65%
|
275/30-18
d=24.50
w=3.25
-33.72%
|
275/35-18
d=25.58
w=3.79
-30.79%
|
275/40-18
d=26.66
w=4.33
-27.86%
|
275/45-18
d=27.74
w=4.87
-24.93%
|
275/50-18
d=28.83
w=5.41
-22.00%
|
275/55-18
d=29.91
w=5.95
-19.07%
|
275/60-18
d=30.99
w=6.50
-16.14%
|
275/65-18
d=32.07
w=7.04
-13.21%
|
275/70-18
d=33.16
w=7.58
-10.28%
|
275/75-18
d=34.24
w=8.12
-7.35%
|
275/80-18
d=35.32
w=8.66
-4.42%
|
275/85-18
d=36.41
w=9.20
-1.49%
|
| 285 |
285/25-18
d=23.61
w=2.81
-36.11%
|
285/30-18
d=24.73
w=3.37
-33.08%
|
285/35-18
d=25.85
w=3.93
-30.04%
|
285/40-18
d=26.98
w=4.49
-27.01%
|
285/45-18
d=28.10
w=5.05
-23.97%
|
285/50-18
d=29.22
w=5.61
-20.93%
|
285/55-18
d=30.34
w=6.17
-17.90%
|
285/60-18
d=31.46
w=6.73
-14.86%
|
285/65-18
d=32.59
w=7.29
-11.82%
|
285/70-18
d=33.71
w=7.85
-8.79%
|
285/75-18
d=34.83
w=8.42
-5.75%
|
285/80-18
d=35.95
w=8.98
-2.72%
|
285/85-18
d=37.07
w=9.54
+0.32%
|
| 295 |
295/25-18
d=23.81
w=2.90
-35.58%
|
295/30-18
d=24.97
w=3.48
-32.44%
|
295/35-18
d=26.13
w=4.06
-29.30%
|
295/40-18
d=27.29
w=4.65
-26.15%
|
295/45-18
d=28.45
w=5.23
-23.01%
|
295/50-18
d=29.61
w=5.81
-19.87%
|
295/55-18
d=30.78
w=6.39
-16.73%
|
295/60-18
d=31.94
w=6.97
-13.58%
|
295/65-18
d=33.10
w=7.55
-10.44%
|
295/70-18
d=34.26
w=8.13
-7.30%
|
295/75-18
d=35.42
w=8.71
-4.15%
|
295/80-18
d=36.58
w=9.29
-1.01%
|
295/85-18
d=37.74
w=9.87
+2.13%
|
| 305 |
305/25-18
d=24.00
w=3.00
-35.05%
|
305/30-18
d=25.20
w=3.60
-31.80%
|
305/35-18
d=26.41
w=4.20
-28.55%
|
305/40-18
d=27.61
w=4.80
-25.30%
|
305/45-18
d=28.81
w=5.40
-22.05%
|
305/50-18
d=30.01
w=6.00
-18.80%
|
305/55-18
d=31.21
w=6.60
-15.55%
|
305/60-18
d=32.41
w=7.20
-12.30%
|
305/65-18
d=33.61
w=7.81
-9.06%
|
305/70-18
d=34.81
w=8.41
-5.81%
|
305/75-18
d=36.01
w=9.01
-2.56%
|
305/80-18
d=37.21
w=9.61
+0.69%
|
305/85-18
d=38.41
w=10.21
+3.94%
|
| 315 |
315/25-18
d=24.20
w=3.10
-34.52%
|
315/30-18
d=25.44
w=3.72
-31.16%
|
315/35-18
d=26.68
w=4.34
-27.80%
|
315/40-18
d=27.92
w=4.96
-24.45%
|
315/45-18
d=29.16
w=5.58
-21.09%
|
315/50-18
d=30.40
w=6.20
-17.74%
|
315/55-18
d=31.64
w=6.82
-14.38%
|
315/60-18
d=32.88
w=7.44
-11.03%
|
315/65-18
d=34.12
w=8.06
-7.67%
|
315/70-18
d=35.36
w=8.68
-4.31%
|
315/75-18
d=36.60
w=9.30
-0.96%
|
315/80-18
d=37.84
w=9.92
+2.40%
|
315/85-18
d=39.08
w=10.54
+5.75%
|
| 325 |
325/25-18
d=24.40
w=3.20
-33.98%
|
325/30-18
d=25.68
w=3.84
-30.52%
|
325/35-18
d=26.96
w=4.48
-27.06%
|
325/40-18
d=28.24
w=5.12
-23.60%
|
325/45-18
d=29.52
w=5.76
-20.13%
|
325/50-18
d=30.80
w=6.40
-16.67%
|
325/55-18
d=32.07
w=7.04
-13.21%
|
325/60-18
d=33.35
w=7.68
-9.75%
|
325/65-18
d=34.63
w=8.32
-6.29%
|
325/70-18
d=35.91
w=8.96
-2.82%
|
325/75-18
d=37.19
w=9.60
+0.64%
|
325/80-18
d=38.47
w=10.24
+4.10%
|
325/85-18
d=39.75
w=10.88
+7.56%
|
| 335 |
335/25-18
d=24.59
w=3.30
-33.45%
|
335/30-18
d=25.91
w=3.96
-29.88%
|
335/35-18
d=27.23
w=4.62
-26.31%
|
335/40-18
d=28.55
w=5.28
-22.74%
|
335/45-18
d=29.87
w=5.94
-19.18%
|
335/50-18
d=31.19
w=6.59
-15.61%
|
335/55-18
d=32.51
w=7.25
-12.04%
|
335/60-18
d=33.83
w=7.91
-8.47%
|
335/65-18
d=35.15
w=8.57
-4.90%
|
335/70-18
d=36.46
w=9.23
-1.33%
|
335/75-18
d=37.78
w=9.89
+2.24%
|
335/80-18
d=39.10
w=10.55
+5.81%
|
335/85-18
d=40.42
w=11.21
+9.37%
|
|
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!