| Code | Difference | = 50mph | 1000miles = | Diameter | Wall,in | Wall,mm |
|---|---|---|---|---|---|---|
| 255/55-19 | 0.00 % | 50.00 | 1,000.00 | 30.04 | 5.52 | 140.25 |
| 165/85-19 | 0.00 % | 50.00 | 1,000.00 | 30.04 | 5.52 | 140.25 |
| 175/80-19 | -0.07 % | 49.97 | 1,000.66 | 30.02 | 5.51 | 140.00 |
| 215/65-19 | -0.13 % | 49.93 | 1,001.31 | 30.00 | 5.50 | 139.75 |
| 235/60-19 | +0.20 % | 50.10 | 998.03 | 30.10 | 5.55 | 141.00 |
| 185/75-19 | -0.39 % | 49.80 | 1,003.93 | 29.93 | 5.46 | 138.75 |
| 315/45-19 | +0.39 % | 50.20 | 996.07 | 30.16 | 5.58 | 141.75 |
| 285/50-19 | +0.59 % | 50.29 | 994.10 | 30.22 | 5.61 | 142.50 |
| 275/50-19 | -0.72 % | 49.64 | 1,007.21 | 29.83 | 5.41 | 137.50 |
| 305/45-19 | -0.79 % | 49.61 | 1,007.86 | 29.81 | 5.40 | 137.25 |
| 205/70-19 | +0.85 % | 50.43 | 991.48 | 30.30 | 5.65 | 143.50 |
| 195/70-19 | -0.98 % | 49.51 | 1,009.83 | 29.75 | 5.37 | 136.50 |
| 225/60-19 | -1.38 % | 49.31 | 1,013.76 | 29.63 | 5.31 | 135.00 |
| 245/55-19 | -1.44 % | 49.28 | 1,014.41 | 29.61 | 5.31 | 134.75 |
| 265/55-19 | +1.44 % | 50.72 | 985.59 | 30.48 | 5.74 | 145.75 |
| 325/45-19 | +1.57 % | 50.79 | 984.27 | 30.52 | 5.76 | 146.25 |
| 225/65-19 | +1.57 % | 50.79 | 984.27 | 30.52 | 5.76 | 146.25 |
| 195/75-19 | +1.57 % | 50.79 | 984.27 | 30.52 | 5.76 | 146.25 |
| 335/40-19 | -1.64 % | 49.18 | 1,016.38 | 29.55 | 5.28 | 134.00 |
| 245/60-19 | +1.77 % | 50.88 | 982.31 | 30.57 | 5.79 | 147.00 |
| 205/65-19 | -1.83 % | 49.08 | 1,018.35 | 29.49 | 5.25 | 133.25 |
| 295/50-19 | +1.90 % | 50.95 | 981.00 | 30.61 | 5.81 | 147.50 |
| 295/45-19 | -1.97 % | 49.02 | 1,019.66 | 29.45 | 5.23 | 132.75 |
| 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
|
|||||||||||||
|
Wheel Size 18
|
|||||||||||||
|
Wheel Size 19
|
|||||||||||||
| 145 |
145/25-19
d=21.85
w=1.43
-27.26%
|
145/30-19
d=22.43
w=1.71
-25.36%
|
145/35-19
d=23.00
w=2.00
-23.46%
|
145/40-19
d=23.57
w=2.28
-21.56%
|
145/45-19
d=24.14
w=2.57
-19.66%
|
145/50-19
d=24.71
w=2.85
-17.76%
|
145/55-19
d=25.28
w=3.14
-15.86%
|
145/60-19
d=25.85
w=3.43
-13.96%
|
145/65-19
d=26.42
w=3.71
-12.06%
|
145/70-19
d=26.99
w=4.00
-10.16%
|
145/75-19
d=27.56
w=4.28
-8.26%
|
145/80-19
d=28.13
w=4.57
-6.36%
|
145/85-19
d=28.70
w=4.85
-4.46%
|
| 155 |
155/25-19
d=22.05
w=1.53
-26.60%
|
155/30-19
d=22.66
w=1.83
-24.57%
|
155/35-19
d=23.27
w=2.14
-22.54%
|
155/40-19
d=23.88
w=2.44
-20.51%
|
155/45-19
d=24.49
w=2.75
-18.48%
|
155/50-19
d=25.10
w=3.05
-16.45%
|
155/55-19
d=25.71
w=3.36
-14.41%
|
155/60-19
d=26.32
w=3.66
-12.38%
|
155/65-19
d=26.93
w=3.97
-10.35%
|
155/70-19
d=27.54
w=4.27
-8.32%
|
155/75-19
d=28.15
w=4.58
-6.29%
|
155/80-19
d=28.76
w=4.88
-4.26%
|
155/85-19
d=29.37
w=5.19
-2.23%
|
| 165 |
165/25-19
d=22.25
w=1.62
-25.95%
|
165/30-19
d=22.90
w=1.95
-23.78%
|
165/35-19
d=23.55
w=2.27
-21.62%
|
165/40-19
d=24.20
w=2.60
-19.46%
|
165/45-19
d=24.85
w=2.92
-17.30%
|
165/50-19
d=25.50
w=3.25
-15.14%
|
165/55-19
d=26.15
w=3.57
-12.97%
|
165/60-19
d=26.80
w=3.90
-10.81%
|
165/65-19
d=27.44
w=4.22
-8.65%
|
165/70-19
d=28.09
w=4.55
-6.49%
|
165/75-19
d=28.74
w=4.87
-4.32%
|
165/80-19
d=29.39
w=5.20
-2.16%
|
165/85-19
d=30.04
w=5.52
0.00%
|
| 175 |
175/25-19
d=22.44
w=1.72
-25.29%
|
175/30-19
d=23.13
w=2.07
-23.00%
|
175/35-19
d=23.82
w=2.41
-20.71%
|
175/40-19
d=24.51
w=2.76
-18.41%
|
175/45-19
d=25.20
w=3.10
-16.12%
|
175/50-19
d=25.89
w=3.44
-13.83%
|
175/55-19
d=26.58
w=3.79
-11.53%
|
175/60-19
d=27.27
w=4.13
-9.24%
|
175/65-19
d=27.96
w=4.48
-6.95%
|
175/70-19
d=28.65
w=4.82
-4.65%
|
175/75-19
d=29.33
w=5.17
-2.36%
|
175/80-19
d=30.02
w=5.51
-0.07%
|
175/85-19
d=30.71
w=5.86
+2.23%
|
| 185 |
185/25-19
d=22.64
w=1.82
-24.64%
|
185/30-19
d=23.37
w=2.19
-22.21%
|
185/35-19
d=24.10
w=2.55
-19.79%
|
185/40-19
d=24.83
w=2.91
-17.36%
|
185/45-19
d=25.56
w=3.28
-14.94%
|
185/50-19
d=26.28
w=3.64
-12.51%
|
185/55-19
d=27.01
w=4.01
-10.09%
|
185/60-19
d=27.74
w=4.37
-7.67%
|
185/65-19
d=28.47
w=4.73
-5.24%
|
185/70-19
d=29.20
w=5.10
-2.82%
|
185/75-19
d=29.93
w=5.46
-0.39%
|
185/80-19
d=30.65
w=5.83
+2.03%
|
185/85-19
d=31.38
w=6.19
+4.46%
|
| 195 |
195/25-19
d=22.84
w=1.92
-23.98%
|
195/30-19
d=23.61
w=2.30
-21.43%
|
195/35-19
d=24.37
w=2.69
-18.87%
|
195/40-19
d=25.14
w=3.07
-16.32%
|
195/45-19
d=25.91
w=3.45
-13.76%
|
195/50-19
d=26.68
w=3.84
-11.20%
|
195/55-19
d=27.44
w=4.22
-8.65%
|
195/60-19
d=28.21
w=4.61
-6.09%
|
195/65-19
d=28.98
w=4.99
-3.54%
|
195/70-19
d=29.75
w=5.37
-0.98%
|
195/75-19
d=30.52
w=5.76
+1.57%
|
195/80-19
d=31.28
w=6.14
+4.13%
|
195/85-19
d=32.05
w=6.53
+6.68%
|
| 205 |
205/25-19
d=23.04
w=2.02
-23.33%
|
205/30-19
d=23.84
w=2.42
-20.64%
|
205/35-19
d=24.65
w=2.82
-17.95%
|
205/40-19
d=25.46
w=3.23
-15.27%
|
205/45-19
d=26.26
w=3.63
-12.58%
|
205/50-19
d=27.07
w=4.04
-9.89%
|
205/55-19
d=27.88
w=4.44
-7.21%
|
205/60-19
d=28.69
w=4.84
-4.52%
|
205/65-19
d=29.49
w=5.25
-1.83%
|
205/70-19
d=30.30
w=5.65
+0.85%
|
205/75-19
d=31.11
w=6.05
+3.54%
|
205/80-19
d=31.91
w=6.46
+6.22%
|
205/85-19
d=32.72
w=6.86
+8.91%
|
| 215 |
215/25-19
d=23.23
w=2.12
-22.67%
|
215/30-19
d=24.08
w=2.54
-19.85%
|
215/35-19
d=24.93
w=2.96
-17.04%
|
215/40-19
d=25.77
w=3.39
-14.22%
|
215/45-19
d=26.62
w=3.81
-11.40%
|
215/50-19
d=27.46
w=4.23
-8.58%
|
215/55-19
d=28.31
w=4.66
-5.77%
|
215/60-19
d=29.16
w=5.08
-2.95%
|
215/65-19
d=30.00
w=5.50
-0.13%
|
215/70-19
d=30.85
w=5.93
+2.69%
|
215/75-19
d=31.70
w=6.35
+5.50%
|
215/80-19
d=32.54
w=6.77
+8.32%
|
215/85-19
d=33.39
w=7.19
+11.14%
|
| 225 |
225/25-19
d=23.43
w=2.21
-22.02%
|
225/30-19
d=24.31
w=2.66
-19.07%
|
225/35-19
d=25.20
w=3.10
-16.12%
|
225/40-19
d=26.09
w=3.54
-13.17%
|
225/45-19
d=26.97
w=3.99
-10.22%
|
225/50-19
d=27.86
w=4.43
-7.27%
|
225/55-19
d=28.74
w=4.87
-4.32%
|
225/60-19
d=29.63
w=5.31
-1.38%
|
225/65-19
d=30.52
w=5.76
+1.57%
|
225/70-19
d=31.40
w=6.20
+4.52%
|
225/75-19
d=32.29
w=6.64
+7.47%
|
225/80-19
d=33.17
w=7.09
+10.42%
|
225/85-19
d=34.06
w=7.53
+13.37%
|
| 235 |
235/25-19
d=23.63
w=2.31
-21.36%
|
235/30-19
d=24.55
w=2.78
-18.28%
|
235/35-19
d=25.48
w=3.24
-15.20%
|
235/40-19
d=26.40
w=3.70
-12.12%
|
235/45-19
d=27.33
w=4.16
-9.04%
|
235/50-19
d=28.25
w=4.63
-5.96%
|
235/55-19
d=29.18
w=5.09
-2.88%
|
235/60-19
d=30.10
w=5.55
+0.20%
|
235/65-19
d=31.03
w=6.01
+3.28%
|
235/70-19
d=31.95
w=6.48
+6.36%
|
235/75-19
d=32.88
w=6.94
+9.44%
|
235/80-19
d=33.80
w=7.40
+12.51%
|
235/85-19
d=34.73
w=7.86
+15.59%
|
| 245 |
245/25-19
d=23.82
w=2.41
-20.71%
|
245/30-19
d=24.79
w=2.89
-17.49%
|
245/35-19
d=25.75
w=3.38
-14.28%
|
245/40-19
d=26.72
w=3.86
-11.07%
|
245/45-19
d=27.68
w=4.34
-7.86%
|
245/50-19
d=28.65
w=4.82
-4.65%
|
245/55-19
d=29.61
w=5.31
-1.44%
|
245/60-19
d=30.57
w=5.79
+1.77%
|
245/65-19
d=31.54
w=6.27
+4.98%
|
245/70-19
d=32.50
w=6.75
+8.19%
|
245/75-19
d=33.47
w=7.23
+11.40%
|
245/80-19
d=34.43
w=7.72
+14.61%
|
245/85-19
d=35.40
w=8.20
+17.82%
|
| 255 |
255/25-19
d=24.02
w=2.51
-20.05%
|
255/30-19
d=25.02
w=3.01
-16.71%
|
255/35-19
d=26.03
w=3.51
-13.37%
|
255/40-19
d=27.03
w=4.02
-10.02%
|
255/45-19
d=28.04
w=4.52
-6.68%
|
255/50-19
d=29.04
w=5.02
-3.34%
|
255/55-19
d=30.04
w=5.52
0.00%
|
255/60-19
d=31.05
w=6.02
+3.34%
|
255/65-19
d=32.05
w=6.53
+6.68%
|
255/70-19
d=33.06
w=7.03
+10.02%
|
255/75-19
d=34.06
w=7.53
+13.37%
|
255/80-19
d=35.06
w=8.03
+16.71%
|
255/85-19
d=36.07
w=8.53
+20.05%
|
| 265 |
265/25-19
d=24.22
w=2.61
-19.39%
|
265/30-19
d=25.26
w=3.13
-15.92%
|
265/35-19
d=26.30
w=3.65
-12.45%
|
265/40-19
d=27.35
w=4.17
-8.98%
|
265/45-19
d=28.39
w=4.69
-5.50%
|
265/50-19
d=29.43
w=5.22
-2.03%
|
265/55-19
d=30.48
w=5.74
+1.44%
|
265/60-19
d=31.52
w=6.26
+4.91%
|
265/65-19
d=32.56
w=6.78
+8.39%
|
265/70-19
d=33.61
w=7.30
+11.86%
|
265/75-19
d=34.65
w=7.82
+15.33%
|
265/80-19
d=35.69
w=8.35
+18.80%
|
265/85-19
d=36.74
w=8.87
+22.28%
|
| 275 |
275/25-19
d=24.41
w=2.71
-18.74%
|
275/30-19
d=25.50
w=3.25
-15.14%
|
275/35-19
d=26.58
w=3.79
-11.53%
|
275/40-19
d=27.66
w=4.33
-7.93%
|
275/45-19
d=28.74
w=4.87
-4.32%
|
275/50-19
d=29.83
w=5.41
-0.72%
|
275/55-19
d=30.91
w=5.95
+2.88%
|
275/60-19
d=31.99
w=6.50
+6.49%
|
275/65-19
d=33.07
w=7.04
+10.09%
|
275/70-19
d=34.16
w=7.58
+13.69%
|
275/75-19
d=35.24
w=8.12
+17.30%
|
275/80-19
d=36.32
w=8.66
+20.90%
|
275/85-19
d=37.41
w=9.20
+24.51%
|
| 285 |
285/25-19
d=24.61
w=2.81
-18.08%
|
285/30-19
d=25.73
w=3.37
-14.35%
|
285/35-19
d=26.85
w=3.93
-10.61%
|
285/40-19
d=27.98
w=4.49
-6.88%
|
285/45-19
d=29.10
w=5.05
-3.15%
|
285/50-19
d=30.22
w=5.61
+0.59%
|
285/55-19
d=31.34
w=6.17
+4.32%
|
285/60-19
d=32.46
w=6.73
+8.06%
|
285/65-19
d=33.59
w=7.29
+11.79%
|
285/70-19
d=34.71
w=7.85
+15.53%
|
285/75-19
d=35.83
w=8.42
+19.26%
|
285/80-19
d=36.95
w=8.98
+23.00%
|
285/85-19
d=38.07
w=9.54
+26.73%
|
| 295 |
295/25-19
d=24.81
w=2.90
-17.43%
|
295/30-19
d=25.97
w=3.48
-13.56%
|
295/35-19
d=27.13
w=4.06
-9.70%
|
295/40-19
d=28.29
w=4.65
-5.83%
|
295/45-19
d=29.45
w=5.23
-1.97%
|
295/50-19
d=30.61
w=5.81
+1.90%
|
295/55-19
d=31.78
w=6.39
+5.77%
|
295/60-19
d=32.94
w=6.97
+9.63%
|
295/65-19
d=34.10
w=7.55
+13.50%
|
295/70-19
d=35.26
w=8.13
+17.36%
|
295/75-19
d=36.42
w=8.71
+21.23%
|
295/80-19
d=37.58
w=9.29
+25.10%
|
295/85-19
d=38.74
w=9.87
+28.96%
|
| 305 |
305/25-19
d=25.00
w=3.00
-16.77%
|
305/30-19
d=26.20
w=3.60
-12.78%
|
305/35-19
d=27.41
w=4.20
-8.78%
|
305/40-19
d=28.61
w=4.80
-4.78%
|
305/45-19
d=29.81
w=5.40
-0.79%
|
305/50-19
d=31.01
w=6.00
+3.21%
|
305/55-19
d=32.21
w=6.60
+7.21%
|
305/60-19
d=33.41
w=7.20
+11.20%
|
305/65-19
d=34.61
w=7.81
+15.20%
|
305/70-19
d=35.81
w=8.41
+19.20%
|
305/75-19
d=37.01
w=9.01
+23.19%
|
305/80-19
d=38.21
w=9.61
+27.19%
|
305/85-19
d=39.41
w=10.21
+31.19%
|
| 315 |
315/25-19
d=25.20
w=3.10
-16.12%
|
315/30-19
d=26.44
w=3.72
-11.99%
|
315/35-19
d=27.68
w=4.34
-7.86%
|
315/40-19
d=28.92
w=4.96
-3.73%
|
315/45-19
d=30.16
w=5.58
+0.39%
|
315/50-19
d=31.40
w=6.20
+4.52%
|
315/55-19
d=32.64
w=6.82
+8.65%
|
315/60-19
d=33.88
w=7.44
+12.78%
|
315/65-19
d=35.12
w=8.06
+16.90%
|
315/70-19
d=36.36
w=8.68
+21.03%
|
315/75-19
d=37.60
w=9.30
+25.16%
|
315/80-19
d=38.84
w=9.92
+29.29%
|
315/85-19
d=40.08
w=10.54
+33.42%
|
| 325 |
325/25-19
d=25.40
w=3.20
-15.46%
|
325/30-19
d=26.68
w=3.84
-11.20%
|
325/35-19
d=27.96
w=4.48
-6.95%
|
325/40-19
d=29.24
w=5.12
-2.69%
|
325/45-19
d=30.52
w=5.76
+1.57%
|
325/50-19
d=31.80
w=6.40
+5.83%
|
325/55-19
d=33.07
w=7.04
+10.09%
|
325/60-19
d=34.35
w=7.68
+14.35%
|
325/65-19
d=35.63
w=8.32
+18.61%
|
325/70-19
d=36.91
w=8.96
+22.87%
|
325/75-19
d=38.19
w=9.60
+27.13%
|
325/80-19
d=39.47
w=10.24
+31.39%
|
325/85-19
d=40.75
w=10.88
+35.64%
|
| 335 |
335/25-19
d=25.59
w=3.30
-14.81%
|
335/30-19
d=26.91
w=3.96
-10.42%
|
335/35-19
d=28.23
w=4.62
-6.03%
|
335/40-19
d=29.55
w=5.28
-1.64%
|
335/45-19
d=30.87
w=5.94
+2.75%
|
335/50-19
d=32.19
w=6.59
+7.14%
|
335/55-19
d=33.51
w=7.25
+11.53%
|
335/60-19
d=34.83
w=7.91
+15.92%
|
335/65-19
d=36.15
w=8.57
+20.31%
|
335/70-19
d=37.46
w=9.23
+24.70%
|
335/75-19
d=38.78
w=9.89
+29.09%
|
335/80-19
d=40.10
w=10.55
+33.48%
|
335/85-19
d=41.42
w=11.21
+37.87%
|
|
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!