| Code | Difference | = 50mph | 1000miles = | Diameter | Wall,in | Wall,mm |
|---|---|---|---|---|---|---|
| 285/80-19 | -0.01 % | 49.99 | 1,000.11 | 36.95 | 8.98 | 228.00 |
| 325/70-19 | -0.12 % | 49.94 | 1,001.17 | 36.91 | 8.96 | 227.50 |
| 305/75-19 | +0.15 % | 50.07 | 998.51 | 37.01 | 9.01 | 228.75 |
| 265/85-19 | -0.60 % | 49.70 | 1,005.97 | 36.74 | 8.87 | 225.25 |
| 275/85-19 | +1.21 % | 50.61 | 987.86 | 37.41 | 9.20 | 233.75 |
| 335/70-19 | +1.37 % | 50.69 | 986.26 | 37.46 | 9.23 | 234.50 |
| 295/75-19 | -1.45 % | 49.28 | 1,014.49 | 36.42 | 8.71 | 221.25 |
| 315/70-19 | -1.61 % | 49.20 | 1,016.09 | 36.36 | 8.68 | 220.50 |
| 295/80-19 | +1.69 % | 50.85 | 983.06 | 37.58 | 9.29 | 236.00 |
| 275/80-19 | -1.72 % | 49.14 | 1,017.15 | 36.32 | 8.66 | 220.00 |
| 315/75-19 | +1.75 % | 50.87 | 982.53 | 37.60 | 9.30 | 236.25 |
| 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
-40.87%
|
145/30-19
d=22.43
w=1.71
-39.32%
|
145/35-19
d=23.00
w=2.00
-37.78%
|
145/40-19
d=23.57
w=2.28
-36.23%
|
145/45-19
d=24.14
w=2.57
-34.69%
|
145/50-19
d=24.71
w=2.85
-33.14%
|
145/55-19
d=25.28
w=3.14
-31.60%
|
145/60-19
d=25.85
w=3.43
-30.05%
|
145/65-19
d=26.42
w=3.71
-28.51%
|
145/70-19
d=26.99
w=4.00
-26.96%
|
145/75-19
d=27.56
w=4.28
-25.42%
|
145/80-19
d=28.13
w=4.57
-23.87%
|
145/85-19
d=28.70
w=4.85
-22.33%
|
| 155 |
155/25-19
d=22.05
w=1.53
-40.33%
|
155/30-19
d=22.66
w=1.83
-38.68%
|
155/35-19
d=23.27
w=2.14
-37.03%
|
155/40-19
d=23.88
w=2.44
-35.38%
|
155/45-19
d=24.49
w=2.75
-33.73%
|
155/50-19
d=25.10
w=3.05
-32.08%
|
155/55-19
d=25.71
w=3.36
-30.43%
|
155/60-19
d=26.32
w=3.66
-28.77%
|
155/65-19
d=26.93
w=3.97
-27.12%
|
155/70-19
d=27.54
w=4.27
-25.47%
|
155/75-19
d=28.15
w=4.58
-23.82%
|
155/80-19
d=28.76
w=4.88
-22.17%
|
155/85-19
d=29.37
w=5.19
-20.52%
|
| 165 |
165/25-19
d=22.25
w=1.62
-39.80%
|
165/30-19
d=22.90
w=1.95
-38.04%
|
165/35-19
d=23.55
w=2.27
-36.28%
|
165/40-19
d=24.20
w=2.60
-34.53%
|
165/45-19
d=24.85
w=2.92
-32.77%
|
165/50-19
d=25.50
w=3.25
-31.01%
|
165/55-19
d=26.15
w=3.57
-29.25%
|
165/60-19
d=26.80
w=3.90
-27.50%
|
165/65-19
d=27.44
w=4.22
-25.74%
|
165/70-19
d=28.09
w=4.55
-23.98%
|
165/75-19
d=28.74
w=4.87
-22.22%
|
165/80-19
d=29.39
w=5.20
-20.46%
|
165/85-19
d=30.04
w=5.52
-18.71%
|
| 175 |
175/25-19
d=22.44
w=1.72
-39.27%
|
175/30-19
d=23.13
w=2.07
-37.40%
|
175/35-19
d=23.82
w=2.41
-35.54%
|
175/40-19
d=24.51
w=2.76
-33.67%
|
175/45-19
d=25.20
w=3.10
-31.81%
|
175/50-19
d=25.89
w=3.44
-29.95%
|
175/55-19
d=26.58
w=3.79
-28.08%
|
175/60-19
d=27.27
w=4.13
-26.22%
|
175/65-19
d=27.96
w=4.48
-24.35%
|
175/70-19
d=28.65
w=4.82
-22.49%
|
175/75-19
d=29.33
w=5.17
-20.62%
|
175/80-19
d=30.02
w=5.51
-18.76%
|
175/85-19
d=30.71
w=5.86
-16.90%
|
| 185 |
185/25-19
d=22.64
w=1.82
-38.73%
|
185/30-19
d=23.37
w=2.19
-36.76%
|
185/35-19
d=24.10
w=2.55
-34.79%
|
185/40-19
d=24.83
w=2.91
-32.82%
|
185/45-19
d=25.56
w=3.28
-30.85%
|
185/50-19
d=26.28
w=3.64
-28.88%
|
185/55-19
d=27.01
w=4.01
-26.91%
|
185/60-19
d=27.74
w=4.37
-24.94%
|
185/65-19
d=28.47
w=4.73
-22.97%
|
185/70-19
d=29.20
w=5.10
-21.00%
|
185/75-19
d=29.93
w=5.46
-19.03%
|
185/80-19
d=30.65
w=5.83
-17.06%
|
185/85-19
d=31.38
w=6.19
-15.08%
|
| 195 |
195/25-19
d=22.84
w=1.92
-38.20%
|
195/30-19
d=23.61
w=2.30
-36.12%
|
195/35-19
d=24.37
w=2.69
-34.05%
|
195/40-19
d=25.14
w=3.07
-31.97%
|
195/45-19
d=25.91
w=3.45
-29.89%
|
195/50-19
d=26.68
w=3.84
-27.82%
|
195/55-19
d=27.44
w=4.22
-25.74%
|
195/60-19
d=28.21
w=4.61
-23.66%
|
195/65-19
d=28.98
w=4.99
-21.58%
|
195/70-19
d=29.75
w=5.37
-19.51%
|
195/75-19
d=30.52
w=5.76
-17.43%
|
195/80-19
d=31.28
w=6.14
-15.35%
|
195/85-19
d=32.05
w=6.53
-13.27%
|
| 205 |
205/25-19
d=23.04
w=2.02
-37.67%
|
205/30-19
d=23.84
w=2.42
-35.49%
|
205/35-19
d=24.65
w=2.82
-33.30%
|
205/40-19
d=25.46
w=3.23
-31.12%
|
205/45-19
d=26.26
w=3.63
-28.93%
|
205/50-19
d=27.07
w=4.04
-26.75%
|
205/55-19
d=27.88
w=4.44
-24.57%
|
205/60-19
d=28.69
w=4.84
-22.38%
|
205/65-19
d=29.49
w=5.25
-20.20%
|
205/70-19
d=30.30
w=5.65
-18.01%
|
205/75-19
d=31.11
w=6.05
-15.83%
|
205/80-19
d=31.91
w=6.46
-13.65%
|
205/85-19
d=32.72
w=6.86
-11.46%
|
| 215 |
215/25-19
d=23.23
w=2.12
-37.14%
|
215/30-19
d=24.08
w=2.54
-34.85%
|
215/35-19
d=24.93
w=2.96
-32.56%
|
215/40-19
d=25.77
w=3.39
-30.27%
|
215/45-19
d=26.62
w=3.81
-27.97%
|
215/50-19
d=27.46
w=4.23
-25.68%
|
215/55-19
d=28.31
w=4.66
-23.39%
|
215/60-19
d=29.16
w=5.08
-21.10%
|
215/65-19
d=30.00
w=5.50
-18.81%
|
215/70-19
d=30.85
w=5.93
-16.52%
|
215/75-19
d=31.70
w=6.35
-14.23%
|
215/80-19
d=32.54
w=6.77
-11.94%
|
215/85-19
d=33.39
w=7.19
-9.65%
|
| 225 |
225/25-19
d=23.43
w=2.21
-36.60%
|
225/30-19
d=24.31
w=2.66
-34.21%
|
225/35-19
d=25.20
w=3.10
-31.81%
|
225/40-19
d=26.09
w=3.54
-29.41%
|
225/45-19
d=26.97
w=3.99
-27.02%
|
225/50-19
d=27.86
w=4.43
-24.62%
|
225/55-19
d=28.74
w=4.87
-22.22%
|
225/60-19
d=29.63
w=5.31
-19.83%
|
225/65-19
d=30.52
w=5.76
-17.43%
|
225/70-19
d=31.40
w=6.20
-15.03%
|
225/75-19
d=32.29
w=6.64
-12.63%
|
225/80-19
d=33.17
w=7.09
-10.24%
|
225/85-19
d=34.06
w=7.53
-7.84%
|
| 235 |
235/25-19
d=23.63
w=2.31
-36.07%
|
235/30-19
d=24.55
w=2.78
-33.57%
|
235/35-19
d=25.48
w=3.24
-31.06%
|
235/40-19
d=26.40
w=3.70
-28.56%
|
235/45-19
d=27.33
w=4.16
-26.06%
|
235/50-19
d=28.25
w=4.63
-23.55%
|
235/55-19
d=29.18
w=5.09
-21.05%
|
235/60-19
d=30.10
w=5.55
-18.55%
|
235/65-19
d=31.03
w=6.01
-16.04%
|
235/70-19
d=31.95
w=6.48
-13.54%
|
235/75-19
d=32.88
w=6.94
-11.04%
|
235/80-19
d=33.80
w=7.40
-8.53%
|
235/85-19
d=34.73
w=7.86
-6.03%
|
| 245 |
245/25-19
d=23.82
w=2.41
-35.54%
|
245/30-19
d=24.79
w=2.89
-32.93%
|
245/35-19
d=25.75
w=3.38
-30.32%
|
245/40-19
d=26.72
w=3.86
-27.71%
|
245/45-19
d=27.68
w=4.34
-25.10%
|
245/50-19
d=28.65
w=4.82
-22.49%
|
245/55-19
d=29.61
w=5.31
-19.88%
|
245/60-19
d=30.57
w=5.79
-17.27%
|
245/65-19
d=31.54
w=6.27
-14.66%
|
245/70-19
d=32.50
w=6.75
-12.05%
|
245/75-19
d=33.47
w=7.23
-9.44%
|
245/80-19
d=34.43
w=7.72
-6.83%
|
245/85-19
d=35.40
w=8.20
-4.22%
|
| 255 |
255/25-19
d=24.02
w=2.51
-35.01%
|
255/30-19
d=25.02
w=3.01
-32.29%
|
255/35-19
d=26.03
w=3.51
-29.57%
|
255/40-19
d=27.03
w=4.02
-26.86%
|
255/45-19
d=28.04
w=4.52
-24.14%
|
255/50-19
d=29.04
w=5.02
-21.42%
|
255/55-19
d=30.04
w=5.52
-18.71%
|
255/60-19
d=31.05
w=6.02
-15.99%
|
255/65-19
d=32.05
w=6.53
-13.27%
|
255/70-19
d=33.06
w=7.03
-10.56%
|
255/75-19
d=34.06
w=7.53
-7.84%
|
255/80-19
d=35.06
w=8.03
-5.12%
|
255/85-19
d=36.07
w=8.53
-2.41%
|
| 265 |
265/25-19
d=24.22
w=2.61
-34.47%
|
265/30-19
d=25.26
w=3.13
-31.65%
|
265/35-19
d=26.30
w=3.65
-28.83%
|
265/40-19
d=27.35
w=4.17
-26.00%
|
265/45-19
d=28.39
w=4.69
-23.18%
|
265/50-19
d=29.43
w=5.22
-20.36%
|
265/55-19
d=30.48
w=5.74
-17.53%
|
265/60-19
d=31.52
w=6.26
-14.71%
|
265/65-19
d=32.56
w=6.78
-11.89%
|
265/70-19
d=33.61
w=7.30
-9.07%
|
265/75-19
d=34.65
w=7.82
-6.24%
|
265/80-19
d=35.69
w=8.35
-3.42%
|
265/85-19
d=36.74
w=8.87
-0.60%
|
| 275 |
275/25-19
d=24.41
w=2.71
-33.94%
|
275/30-19
d=25.50
w=3.25
-31.01%
|
275/35-19
d=26.58
w=3.79
-28.08%
|
275/40-19
d=27.66
w=4.33
-25.15%
|
275/45-19
d=28.74
w=4.87
-22.22%
|
275/50-19
d=29.83
w=5.41
-19.29%
|
275/55-19
d=30.91
w=5.95
-16.36%
|
275/60-19
d=31.99
w=6.50
-13.43%
|
275/65-19
d=33.07
w=7.04
-10.50%
|
275/70-19
d=34.16
w=7.58
-7.57%
|
275/75-19
d=35.24
w=8.12
-4.64%
|
275/80-19
d=36.32
w=8.66
-1.72%
|
275/85-19
d=37.41
w=9.20
+1.21%
|
| 285 |
285/25-19
d=24.61
w=2.81
-33.41%
|
285/30-19
d=25.73
w=3.37
-30.37%
|
285/35-19
d=26.85
w=3.93
-27.34%
|
285/40-19
d=27.98
w=4.49
-24.30%
|
285/45-19
d=29.10
w=5.05
-21.26%
|
285/50-19
d=30.22
w=5.61
-18.23%
|
285/55-19
d=31.34
w=6.17
-15.19%
|
285/60-19
d=32.46
w=6.73
-12.16%
|
285/65-19
d=33.59
w=7.29
-9.12%
|
285/70-19
d=34.71
w=7.85
-6.08%
|
285/75-19
d=35.83
w=8.42
-3.05%
|
285/80-19
d=36.95
w=8.98
-0.01%
|
285/85-19
d=38.07
w=9.54
+3.03%
|
| 295 |
295/25-19
d=24.81
w=2.90
-32.88%
|
295/30-19
d=25.97
w=3.48
-29.73%
|
295/35-19
d=27.13
w=4.06
-26.59%
|
295/40-19
d=28.29
w=4.65
-23.45%
|
295/45-19
d=29.45
w=5.23
-20.30%
|
295/50-19
d=30.61
w=5.81
-17.16%
|
295/55-19
d=31.78
w=6.39
-14.02%
|
295/60-19
d=32.94
w=6.97
-10.88%
|
295/65-19
d=34.10
w=7.55
-7.73%
|
295/70-19
d=35.26
w=8.13
-4.59%
|
295/75-19
d=36.42
w=8.71
-1.45%
|
295/80-19
d=37.58
w=9.29
+1.69%
|
295/85-19
d=38.74
w=9.87
+4.84%
|
| 305 |
305/25-19
d=25.00
w=3.00
-32.34%
|
305/30-19
d=26.20
w=3.60
-29.09%
|
305/35-19
d=27.41
w=4.20
-25.84%
|
305/40-19
d=28.61
w=4.80
-22.60%
|
305/45-19
d=29.81
w=5.40
-19.35%
|
305/50-19
d=31.01
w=6.00
-16.10%
|
305/55-19
d=32.21
w=6.60
-12.85%
|
305/60-19
d=33.41
w=7.20
-9.60%
|
305/65-19
d=34.61
w=7.81
-6.35%
|
305/70-19
d=35.81
w=8.41
-3.10%
|
305/75-19
d=37.01
w=9.01
+0.15%
|
305/80-19
d=38.21
w=9.61
+3.40%
|
305/85-19
d=39.41
w=10.21
+6.65%
|
| 315 |
315/25-19
d=25.20
w=3.10
-31.81%
|
315/30-19
d=26.44
w=3.72
-28.45%
|
315/35-19
d=27.68
w=4.34
-25.10%
|
315/40-19
d=28.92
w=4.96
-21.74%
|
315/45-19
d=30.16
w=5.58
-18.39%
|
315/50-19
d=31.40
w=6.20
-15.03%
|
315/55-19
d=32.64
w=6.82
-11.68%
|
315/60-19
d=33.88
w=7.44
-8.32%
|
315/65-19
d=35.12
w=8.06
-4.96%
|
315/70-19
d=36.36
w=8.68
-1.61%
|
315/75-19
d=37.60
w=9.30
+1.75%
|
315/80-19
d=38.84
w=9.92
+5.10%
|
315/85-19
d=40.08
w=10.54
+8.46%
|
| 325 |
325/25-19
d=25.40
w=3.20
-31.28%
|
325/30-19
d=26.68
w=3.84
-27.82%
|
325/35-19
d=27.96
w=4.48
-24.35%
|
325/40-19
d=29.24
w=5.12
-20.89%
|
325/45-19
d=30.52
w=5.76
-17.43%
|
325/50-19
d=31.80
w=6.40
-13.97%
|
325/55-19
d=33.07
w=7.04
-10.50%
|
325/60-19
d=34.35
w=7.68
-7.04%
|
325/65-19
d=35.63
w=8.32
-3.58%
|
325/70-19
d=36.91
w=8.96
-0.12%
|
325/75-19
d=38.19
w=9.60
+3.35%
|
325/80-19
d=39.47
w=10.24
+6.81%
|
325/85-19
d=40.75
w=10.88
+10.27%
|
| 335 |
335/25-19
d=25.59
w=3.30
-30.74%
|
335/30-19
d=26.91
w=3.96
-27.18%
|
335/35-19
d=28.23
w=4.62
-23.61%
|
335/40-19
d=29.55
w=5.28
-20.04%
|
335/45-19
d=30.87
w=5.94
-16.47%
|
335/50-19
d=32.19
w=6.59
-12.90%
|
335/55-19
d=33.51
w=7.25
-9.33%
|
335/60-19
d=34.83
w=7.91
-5.76%
|
335/65-19
d=36.15
w=8.57
-2.19%
|
335/70-19
d=37.46
w=9.23
+1.37%
|
335/75-19
d=38.78
w=9.89
+4.94%
|
335/80-19
d=40.10
w=10.55
+8.51%
|
335/85-19
d=41.42
w=11.21
+12.08%
|
|
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!