| Code | Difference | = 50mph | 1000miles = | Diameter | Wall,in | Wall,mm |
|---|---|---|---|---|---|---|
| 265/70-17 | 0.00 % | 50.00 | 1,000.00 | 31.61 | 7.30 | 185.50 |
| 285/65-17 | -0.06 % | 49.97 | 1,000.62 | 31.59 | 7.29 | 185.25 |
| 335/55-17 | -0.31 % | 49.84 | 1,003.11 | 31.51 | 7.25 | 184.25 |
| 245/75-17 | -0.44 % | 49.78 | 1,004.36 | 31.47 | 7.23 | 183.75 |
| 305/60-17 | -0.62 % | 49.69 | 1,006.23 | 31.41 | 7.20 | 183.00 |
| 235/80-17 | +0.62 % | 50.31 | 993.77 | 31.80 | 7.40 | 188.00 |
| 215/85-17 | -0.69 % | 49.66 | 1,006.85 | 31.39 | 7.19 | 182.75 |
| 315/60-17 | +0.87 % | 50.44 | 991.28 | 31.88 | 7.44 | 189.00 |
| 225/80-17 | -1.37 % | 49.31 | 1,013.70 | 31.17 | 7.09 | 180.00 |
| 255/75-17 | +1.43 % | 50.72 | 985.68 | 32.06 | 7.53 | 191.25 |
| 225/85-17 | +1.43 % | 50.72 | 985.68 | 32.06 | 7.53 | 191.25 |
| 295/65-17 | +1.56 % | 50.78 | 984.43 | 32.10 | 7.55 | 191.75 |
| 325/55-17 | -1.68 % | 49.16 | 1,016.82 | 31.07 | 7.04 | 178.75 |
| 275/65-17 | -1.68 % | 49.16 | 1,016.82 | 31.07 | 7.04 | 178.75 |
| 255/70-17 | -1.74 % | 49.13 | 1,017.44 | 31.06 | 7.03 | 178.50 |
| 275/70-17 | +1.74 % | 50.87 | 982.56 | 32.16 | 7.58 | 192.50 |
| 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
-37.18%
|
145/30-17
d=20.43
w=1.71
-35.38%
|
145/35-17
d=21.00
w=2.00
-33.57%
|
145/40-17
d=21.57
w=2.28
-31.76%
|
145/45-17
d=22.14
w=2.57
-29.96%
|
145/50-17
d=22.71
w=2.85
-28.15%
|
145/55-17
d=23.28
w=3.14
-26.35%
|
145/60-17
d=23.85
w=3.43
-24.54%
|
145/65-17
d=24.42
w=3.71
-22.73%
|
145/70-17
d=24.99
w=4.00
-20.93%
|
145/75-17
d=25.56
w=4.28
-19.12%
|
145/80-17
d=26.13
w=4.57
-17.31%
|
145/85-17
d=26.70
w=4.85
-15.51%
|
| 155 |
155/25-17
d=20.05
w=1.53
-36.56%
|
155/30-17
d=20.66
w=1.83
-34.63%
|
155/35-17
d=21.27
w=2.14
-32.70%
|
155/40-17
d=21.88
w=2.44
-30.77%
|
155/45-17
d=22.49
w=2.75
-28.84%
|
155/50-17
d=23.10
w=3.05
-26.91%
|
155/55-17
d=23.71
w=3.36
-24.98%
|
155/60-17
d=24.32
w=3.66
-23.04%
|
155/65-17
d=24.93
w=3.97
-21.11%
|
155/70-17
d=25.54
w=4.27
-19.18%
|
155/75-17
d=26.15
w=4.58
-17.25%
|
155/80-17
d=26.76
w=4.88
-15.32%
|
155/85-17
d=27.37
w=5.19
-13.39%
|
| 165 |
165/25-17
d=20.25
w=1.62
-35.94%
|
165/30-17
d=20.90
w=1.95
-33.88%
|
165/35-17
d=21.55
w=2.27
-31.83%
|
165/40-17
d=22.20
w=2.60
-29.77%
|
165/45-17
d=22.85
w=2.92
-27.72%
|
165/50-17
d=23.50
w=3.25
-25.66%
|
165/55-17
d=24.15
w=3.57
-23.60%
|
165/60-17
d=24.80
w=3.90
-21.55%
|
165/65-17
d=25.44
w=4.22
-19.49%
|
165/70-17
d=26.09
w=4.55
-17.44%
|
165/75-17
d=26.74
w=4.87
-15.38%
|
165/80-17
d=27.39
w=5.20
-13.33%
|
165/85-17
d=28.04
w=5.52
-11.27%
|
| 175 |
175/25-17
d=20.44
w=1.72
-35.31%
|
175/30-17
d=21.13
w=2.07
-33.13%
|
175/35-17
d=21.82
w=2.41
-30.95%
|
175/40-17
d=22.51
w=2.76
-28.77%
|
175/45-17
d=23.20
w=3.10
-26.59%
|
175/50-17
d=23.89
w=3.44
-24.41%
|
175/55-17
d=24.58
w=3.79
-22.23%
|
175/60-17
d=25.27
w=4.13
-20.05%
|
175/65-17
d=25.96
w=4.48
-17.87%
|
175/70-17
d=26.65
w=4.82
-15.70%
|
175/75-17
d=27.33
w=5.17
-13.52%
|
175/80-17
d=28.02
w=5.51
-11.34%
|
175/85-17
d=28.71
w=5.86
-9.16%
|
| 185 |
185/25-17
d=20.64
w=1.82
-34.69%
|
185/30-17
d=21.37
w=2.19
-32.39%
|
185/35-17
d=22.10
w=2.55
-30.08%
|
185/40-17
d=22.83
w=2.91
-27.78%
|
185/45-17
d=23.56
w=3.28
-25.47%
|
185/50-17
d=24.28
w=3.64
-23.17%
|
185/55-17
d=25.01
w=4.01
-20.86%
|
185/60-17
d=25.74
w=4.37
-18.56%
|
185/65-17
d=26.47
w=4.73
-16.26%
|
185/70-17
d=27.20
w=5.10
-13.95%
|
185/75-17
d=27.93
w=5.46
-11.65%
|
185/80-17
d=28.65
w=5.83
-9.34%
|
185/85-17
d=29.38
w=6.19
-7.04%
|
| 195 |
195/25-17
d=20.84
w=1.92
-34.07%
|
195/30-17
d=21.61
w=2.30
-31.64%
|
195/35-17
d=22.37
w=2.69
-29.21%
|
195/40-17
d=23.14
w=3.07
-26.78%
|
195/45-17
d=23.91
w=3.45
-24.35%
|
195/50-17
d=24.68
w=3.84
-21.92%
|
195/55-17
d=25.44
w=4.22
-19.49%
|
195/60-17
d=26.21
w=4.61
-17.07%
|
195/65-17
d=26.98
w=4.99
-14.64%
|
195/70-17
d=27.75
w=5.37
-12.21%
|
195/75-17
d=28.52
w=5.76
-9.78%
|
195/80-17
d=29.28
w=6.14
-7.35%
|
195/85-17
d=30.05
w=6.53
-4.92%
|
| 205 |
205/25-17
d=21.04
w=2.02
-33.45%
|
205/30-17
d=21.84
w=2.42
-30.89%
|
205/35-17
d=22.65
w=2.82
-28.34%
|
205/40-17
d=23.46
w=3.23
-25.78%
|
205/45-17
d=24.26
w=3.63
-23.23%
|
205/50-17
d=25.07
w=4.04
-20.68%
|
205/55-17
d=25.88
w=4.44
-18.12%
|
205/60-17
d=26.69
w=4.84
-15.57%
|
205/65-17
d=27.49
w=5.25
-13.02%
|
205/70-17
d=28.30
w=5.65
-10.46%
|
205/75-17
d=29.11
w=6.05
-7.91%
|
205/80-17
d=29.91
w=6.46
-5.36%
|
205/85-17
d=30.72
w=6.86
-2.80%
|
| 215 |
215/25-17
d=21.23
w=2.12
-32.82%
|
215/30-17
d=22.08
w=2.54
-30.14%
|
215/35-17
d=22.93
w=2.96
-27.47%
|
215/40-17
d=23.77
w=3.39
-24.79%
|
215/45-17
d=24.62
w=3.81
-22.11%
|
215/50-17
d=25.46
w=4.23
-19.43%
|
215/55-17
d=26.31
w=4.66
-16.75%
|
215/60-17
d=27.16
w=5.08
-14.08%
|
215/65-17
d=28.00
w=5.50
-11.40%
|
215/70-17
d=28.85
w=5.93
-8.72%
|
215/75-17
d=29.70
w=6.35
-6.04%
|
215/80-17
d=30.54
w=6.77
-3.36%
|
215/85-17
d=31.39
w=7.19
-0.69%
|
| 225 |
225/25-17
d=21.43
w=2.21
-32.20%
|
225/30-17
d=22.31
w=2.66
-29.40%
|
225/35-17
d=23.20
w=3.10
-26.59%
|
225/40-17
d=24.09
w=3.54
-23.79%
|
225/45-17
d=24.97
w=3.99
-20.99%
|
225/50-17
d=25.86
w=4.43
-18.19%
|
225/55-17
d=26.74
w=4.87
-15.38%
|
225/60-17
d=27.63
w=5.31
-12.58%
|
225/65-17
d=28.52
w=5.76
-9.78%
|
225/70-17
d=29.40
w=6.20
-6.98%
|
225/75-17
d=30.29
w=6.64
-4.17%
|
225/80-17
d=31.17
w=7.09
-1.37%
|
225/85-17
d=32.06
w=7.53
+1.43%
|
| 235 |
235/25-17
d=21.63
w=2.31
-31.58%
|
235/30-17
d=22.55
w=2.78
-28.65%
|
235/35-17
d=23.48
w=3.24
-25.72%
|
235/40-17
d=24.40
w=3.70
-22.80%
|
235/45-17
d=25.33
w=4.16
-19.87%
|
235/50-17
d=26.25
w=4.63
-16.94%
|
235/55-17
d=27.18
w=5.09
-14.01%
|
235/60-17
d=28.10
w=5.55
-11.09%
|
235/65-17
d=29.03
w=6.01
-8.16%
|
235/70-17
d=29.95
w=6.48
-5.23%
|
235/75-17
d=30.88
w=6.94
-2.30%
|
235/80-17
d=31.80
w=7.40
+0.62%
|
235/85-17
d=32.73
w=7.86
+3.55%
|
| 245 |
245/25-17
d=21.82
w=2.41
-30.95%
|
245/30-17
d=22.79
w=2.89
-27.90%
|
245/35-17
d=23.75
w=3.38
-24.85%
|
245/40-17
d=24.72
w=3.86
-21.80%
|
245/45-17
d=25.68
w=4.34
-18.75%
|
245/50-17
d=26.65
w=4.82
-15.70%
|
245/55-17
d=27.61
w=5.31
-12.64%
|
245/60-17
d=28.57
w=5.79
-9.59%
|
245/65-17
d=29.54
w=6.27
-6.54%
|
245/70-17
d=30.50
w=6.75
-3.49%
|
245/75-17
d=31.47
w=7.23
-0.44%
|
245/80-17
d=32.43
w=7.72
+2.62%
|
245/85-17
d=33.40
w=8.20
+5.67%
|
| 255 |
255/25-17
d=22.02
w=2.51
-30.33%
|
255/30-17
d=23.02
w=3.01
-27.15%
|
255/35-17
d=24.03
w=3.51
-23.98%
|
255/40-17
d=25.03
w=4.02
-20.80%
|
255/45-17
d=26.04
w=4.52
-17.63%
|
255/50-17
d=27.04
w=5.02
-14.45%
|
255/55-17
d=28.04
w=5.52
-11.27%
|
255/60-17
d=29.05
w=6.02
-8.10%
|
255/65-17
d=30.05
w=6.53
-4.92%
|
255/70-17
d=31.06
w=7.03
-1.74%
|
255/75-17
d=32.06
w=7.53
+1.43%
|
255/80-17
d=33.06
w=8.03
+4.61%
|
255/85-17
d=34.07
w=8.53
+7.79%
|
| 265 |
265/25-17
d=22.22
w=2.61
-29.71%
|
265/30-17
d=23.26
w=3.13
-26.41%
|
265/35-17
d=24.30
w=3.65
-23.11%
|
265/40-17
d=25.35
w=4.17
-19.81%
|
265/45-17
d=26.39
w=4.69
-16.50%
|
265/50-17
d=27.43
w=5.22
-13.20%
|
265/55-17
d=28.48
w=5.74
-9.90%
|
265/60-17
d=29.52
w=6.26
-6.60%
|
265/65-17
d=30.56
w=6.78
-3.30%
|
265/70-17
d=31.61
w=7.30
0.00%
|
265/75-17
d=32.65
w=7.82
+3.30%
|
265/80-17
d=33.69
w=8.35
+6.60%
|
265/85-17
d=34.74
w=8.87
+9.90%
|
| 275 |
275/25-17
d=22.41
w=2.71
-29.09%
|
275/30-17
d=23.50
w=3.25
-25.66%
|
275/35-17
d=24.58
w=3.79
-22.23%
|
275/40-17
d=25.66
w=4.33
-18.81%
|
275/45-17
d=26.74
w=4.87
-15.38%
|
275/50-17
d=27.83
w=5.41
-11.96%
|
275/55-17
d=28.91
w=5.95
-8.53%
|
275/60-17
d=29.99
w=6.50
-5.11%
|
275/65-17
d=31.07
w=7.04
-1.68%
|
275/70-17
d=32.16
w=7.58
+1.74%
|
275/75-17
d=33.24
w=8.12
+5.17%
|
275/80-17
d=34.32
w=8.66
+8.59%
|
275/85-17
d=35.41
w=9.20
+12.02%
|
| 285 |
285/25-17
d=22.61
w=2.81
-28.46%
|
285/30-17
d=23.73
w=3.37
-24.91%
|
285/35-17
d=24.85
w=3.93
-21.36%
|
285/40-17
d=25.98
w=4.49
-17.81%
|
285/45-17
d=27.10
w=5.05
-14.26%
|
285/50-17
d=28.22
w=5.61
-10.71%
|
285/55-17
d=29.34
w=6.17
-7.16%
|
285/60-17
d=30.46
w=6.73
-3.61%
|
285/65-17
d=31.59
w=7.29
-0.06%
|
285/70-17
d=32.71
w=7.85
+3.49%
|
285/75-17
d=33.83
w=8.42
+7.04%
|
285/80-17
d=34.95
w=8.98
+10.59%
|
285/85-17
d=36.07
w=9.54
+14.14%
|
| 295 |
295/25-17
d=22.81
w=2.90
-27.84%
|
295/30-17
d=23.97
w=3.48
-24.17%
|
295/35-17
d=25.13
w=4.06
-20.49%
|
295/40-17
d=26.29
w=4.65
-16.82%
|
295/45-17
d=27.45
w=5.23
-13.14%
|
295/50-17
d=28.61
w=5.81
-9.47%
|
295/55-17
d=29.78
w=6.39
-5.79%
|
295/60-17
d=30.94
w=6.97
-2.12%
|
295/65-17
d=32.10
w=7.55
+1.56%
|
295/70-17
d=33.26
w=8.13
+5.23%
|
295/75-17
d=34.42
w=8.71
+8.91%
|
295/80-17
d=35.58
w=9.29
+12.58%
|
295/85-17
d=36.74
w=9.87
+16.26%
|
| 305 |
305/25-17
d=23.00
w=3.00
-27.22%
|
305/30-17
d=24.20
w=3.60
-23.42%
|
305/35-17
d=25.41
w=4.20
-19.62%
|
305/40-17
d=26.61
w=4.80
-15.82%
|
305/45-17
d=27.81
w=5.40
-12.02%
|
305/50-17
d=29.01
w=6.00
-8.22%
|
305/55-17
d=30.21
w=6.60
-4.42%
|
305/60-17
d=31.41
w=7.20
-0.62%
|
305/65-17
d=32.61
w=7.81
+3.18%
|
305/70-17
d=33.81
w=8.41
+6.98%
|
305/75-17
d=35.01
w=9.01
+10.77%
|
305/80-17
d=36.21
w=9.61
+14.57%
|
305/85-17
d=37.41
w=10.21
+18.37%
|
| 315 |
315/25-17
d=23.20
w=3.10
-26.59%
|
315/30-17
d=24.44
w=3.72
-22.67%
|
315/35-17
d=25.68
w=4.34
-18.75%
|
315/40-17
d=26.92
w=4.96
-14.82%
|
315/45-17
d=28.16
w=5.58
-10.90%
|
315/50-17
d=29.40
w=6.20
-6.98%
|
315/55-17
d=30.64
w=6.82
-3.05%
|
315/60-17
d=31.88
w=7.44
+0.87%
|
315/65-17
d=33.12
w=8.06
+4.80%
|
315/70-17
d=34.36
w=8.68
+8.72%
|
315/75-17
d=35.60
w=9.30
+12.64%
|
315/80-17
d=36.84
w=9.92
+16.57%
|
315/85-17
d=38.08
w=10.54
+20.49%
|
| 325 |
325/25-17
d=23.40
w=3.20
-25.97%
|
325/30-17
d=24.68
w=3.84
-21.92%
|
325/35-17
d=25.96
w=4.48
-17.87%
|
325/40-17
d=27.24
w=5.12
-13.83%
|
325/45-17
d=28.52
w=5.76
-9.78%
|
325/50-17
d=29.80
w=6.40
-5.73%
|
325/55-17
d=31.07
w=7.04
-1.68%
|
325/60-17
d=32.35
w=7.68
+2.37%
|
325/65-17
d=33.63
w=8.32
+6.42%
|
325/70-17
d=34.91
w=8.96
+10.46%
|
325/75-17
d=36.19
w=9.60
+14.51%
|
325/80-17
d=37.47
w=10.24
+18.56%
|
325/85-17
d=38.75
w=10.88
+22.61%
|
| 335 |
335/25-17
d=23.59
w=3.30
-25.35%
|
335/30-17
d=24.91
w=3.96
-21.18%
|
335/35-17
d=26.23
w=4.62
-17.00%
|
335/40-17
d=27.55
w=5.28
-12.83%
|
335/45-17
d=28.87
w=5.94
-8.66%
|
335/50-17
d=30.19
w=6.59
-4.48%
|
335/55-17
d=31.51
w=7.25
-0.31%
|
335/60-17
d=32.83
w=7.91
+3.86%
|
335/65-17
d=34.15
w=8.57
+8.03%
|
335/70-17
d=35.46
w=9.23
+12.21%
|
335/75-17
d=36.78
w=9.89
+16.38%
|
335/80-17
d=38.10
w=10.55
+20.55%
|
335/85-17
d=39.42
w=11.21
+24.73%
|
|
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!