Code | Difference | = 50mph | 1000miles = | Diameter | Wall,in | Wall,mm |
---|---|---|---|---|---|---|
195/45-15 | -0.11 % | 49.95 | 1,001.08 | 21.91 | 3.45 | 87.75 |
185/45-15 | -1.72 % | 49.14 | 1,017.23 | 21.56 | 3.28 | 83.25 |
175/50-15 | -0.20 % | 49.90 | 1,001.97 | 21.89 | 3.44 | 87.50 |
195/50-14 | -1.17 % | 49.42 | 1,011.67 | 21.68 | 3.84 | 97.50 |
185/50-15 | +1.60 % | 50.80 | 984.02 | 22.28 | 3.64 | 92.50 |
165/50-15 | -1.99 % | 49.00 | 1,019.92 | 21.50 | 3.25 | 82.50 |
185/50-14 | -2.96 % | 48.52 | 1,029.62 | 21.28 | 3.64 | 92.50 |
185/55-14 | +0.36 % | 50.18 | 996.41 | 22.01 | 4.01 | 101.75 |
165/55-15 | +0.97 % | 50.48 | 990.31 | 22.15 | 3.57 | 90.75 |
155/55-15 | -1.01 % | 49.50 | 1,010.05 | 21.71 | 3.36 | 85.25 |
175/55-14 | -1.62 % | 49.19 | 1,016.16 | 21.58 | 3.79 | 96.25 |
195/55-14 | +2.33 % | 51.17 | 976.66 | 22.44 | 4.22 | 107.25 |
175/55-15 | +2.94 % | 51.47 | 970.56 | 22.58 | 3.79 | 96.25 |
165/60-14 | -0.63 % | 49.69 | 1,006.28 | 21.80 | 3.90 | 99.00 |
175/60-14 | +1.53 % | 50.76 | 984.74 | 22.27 | 4.13 | 105.00 |
155/60-15 | +1.78 % | 50.89 | 982.23 | 22.32 | 3.66 | 93.00 |
155/60-14 | -2.78 % | 48.61 | 1,027.82 | 21.32 | 3.66 | 93.00 |
155/65-14 | 0.00 % | 50.00 | 1,000.00 | 21.93 | 3.97 | 100.75 |
165/65-14 | +2.33 % | 51.17 | 976.66 | 22.44 | 4.22 | 107.25 |
155/70-14 | +2.78 % | 51.39 | 972.18 | 22.54 | 4.27 | 108.50 |
Ratio: | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wheel Size 14
|
|||||||||||||
155 |
155/25-14
d=17.05
w=1.53
-22.26%
|
155/30-14
d=17.66
w=1.83
-19.48%
|
155/35-14
d=18.27
w=2.14
-16.69%
|
155/40-14
d=18.88
w=2.44
-13.91%
|
155/45-14
d=19.49
w=2.75
-11.13%
|
155/50-14
d=20.10
w=3.05
-8.35%
|
155/55-14
d=20.71
w=3.36
-5.56%
|
155/60-14
d=21.32
w=3.66
-2.78%
|
155/65-14
d=21.93
w=3.97
0.00%
|
155/70-14
d=22.54
w=4.27
+2.78%
|
155/75-14
d=23.15
w=4.58
+5.56%
|
155/80-14
d=23.76
w=4.88
+8.35%
|
155/85-14
d=24.37
w=5.19
+11.13%
|
165 |
165/25-14
d=17.25
w=1.62
-21.36%
|
165/30-14
d=17.90
w=1.95
-18.40%
|
165/35-14
d=18.55
w=2.27
-15.44%
|
165/40-14
d=19.20
w=2.60
-12.48%
|
165/45-14
d=19.85
w=2.92
-9.51%
|
165/50-14
d=20.50
w=3.25
-6.55%
|
165/55-14
d=21.15
w=3.57
-3.59%
|
165/60-14
d=21.80
w=3.90
-0.63%
|
165/65-14
d=22.44
w=4.22
+2.33%
|
165/70-14
d=23.09
w=4.55
+5.30%
|
165/75-14
d=23.74
w=4.87
+8.26%
|
165/80-14
d=24.39
w=5.20
+11.22%
|
165/85-14
d=25.04
w=5.52
+14.18%
|
175 |
175/25-14
d=17.44
w=1.72
-20.46%
|
175/30-14
d=18.13
w=2.07
-17.32%
|
175/35-14
d=18.82
w=2.41
-14.18%
|
175/40-14
d=19.51
w=2.76
-11.04%
|
175/45-14
d=20.20
w=3.10
-7.90%
|
175/50-14
d=20.89
w=3.44
-4.76%
|
175/55-14
d=21.58
w=3.79
-1.62%
|
175/60-14
d=22.27
w=4.13
+1.53%
|
175/65-14
d=22.96
w=4.48
+4.67%
|
175/70-14
d=23.65
w=4.82
+7.81%
|
175/75-14
d=24.33
w=5.17
+10.95%
|
175/80-14
d=25.02
w=5.51
+14.09%
|
175/85-14
d=25.71
w=5.86
+17.23%
|
185 |
185/25-14
d=17.64
w=1.82
-19.57%
|
185/30-14
d=18.37
w=2.19
-16.24%
|
185/35-14
d=19.10
w=2.55
-12.92%
|
185/40-14
d=19.83
w=2.91
-9.60%
|
185/45-14
d=20.56
w=3.28
-6.28%
|
185/50-14
d=21.28
w=3.64
-2.96%
|
185/55-14
d=22.01
w=4.01
+0.36%
|
185/60-14
d=22.74
w=4.37
+3.68%
|
185/65-14
d=23.47
w=4.73
+7.00%
|
185/70-14
d=24.20
w=5.10
+10.32%
|
185/75-14
d=24.93
w=5.46
+13.64%
|
185/80-14
d=25.65
w=5.83
+16.96%
|
185/85-14
d=26.38
w=6.19
+20.28%
|
195 |
195/25-14
d=17.84
w=1.92
-18.67%
|
195/30-14
d=18.61
w=2.30
-15.17%
|
195/35-14
d=19.37
w=2.69
-11.67%
|
195/40-14
d=20.14
w=3.07
-8.17%
|
195/45-14
d=20.91
w=3.45
-4.67%
|
195/50-14
d=21.68
w=3.84
-1.17%
|
195/55-14
d=22.44
w=4.22
+2.33%
|
195/60-14
d=23.21
w=4.61
+5.83%
|
195/65-14
d=23.98
w=4.99
+9.33%
|
195/70-14
d=24.75
w=5.37
+12.83%
|
195/75-14
d=25.52
w=5.76
+16.33%
|
195/80-14
d=26.28
w=6.14
+19.83%
|
195/85-14
d=27.05
w=6.53
+23.34%
|
Wheel Size 15
|
|||||||||||||
155 |
155/25-15
d=18.05
w=1.53
-17.70%
|
155/30-15
d=18.66
w=1.83
-14.92%
|
155/35-15
d=19.27
w=2.14
-12.13%
|
155/40-15
d=19.88
w=2.44
-9.35%
|
155/45-15
d=20.49
w=2.75
-6.57%
|
155/50-15
d=21.10
w=3.05
-3.79%
|
155/55-15
d=21.71
w=3.36
-1.01%
|
155/60-15
d=22.32
w=3.66
+1.78%
|
155/65-15
d=22.93
w=3.97
+4.56%
|
155/70-15
d=23.54
w=4.27
+7.34%
|
155/75-15
d=24.15
w=4.58
+10.12%
|
155/80-15
d=24.76
w=4.88
+12.91%
|
155/85-15
d=25.37
w=5.19
+15.69%
|
165 |
165/25-15
d=18.25
w=1.62
-16.80%
|
165/30-15
d=18.90
w=1.95
-13.84%
|
165/35-15
d=19.55
w=2.27
-10.88%
|
165/40-15
d=20.20
w=2.60
-7.92%
|
165/45-15
d=20.85
w=2.92
-4.95%
|
165/50-15
d=21.50
w=3.25
-1.99%
|
165/55-15
d=22.15
w=3.57
+0.97%
|
165/60-15
d=22.80
w=3.90
+3.93%
|
165/65-15
d=23.44
w=4.22
+6.89%
|
165/70-15
d=24.09
w=4.55
+9.85%
|
165/75-15
d=24.74
w=4.87
+12.82%
|
165/80-15
d=25.39
w=5.20
+15.78%
|
165/85-15
d=26.04
w=5.52
+18.74%
|
175 |
175/25-15
d=18.44
w=1.72
-15.90%
|
175/30-15
d=19.13
w=2.07
-12.76%
|
175/35-15
d=19.82
w=2.41
-9.62%
|
175/40-15
d=20.51
w=2.76
-6.48%
|
175/45-15
d=21.20
w=3.10
-3.34%
|
175/50-15
d=21.89
w=3.44
-0.20%
|
175/55-15
d=22.58
w=3.79
+2.94%
|
175/60-15
d=23.27
w=4.13
+6.09%
|
175/65-15
d=23.96
w=4.48
+9.23%
|
175/70-15
d=24.65
w=4.82
+12.37%
|
175/75-15
d=25.33
w=5.17
+15.51%
|
175/80-15
d=26.02
w=5.51
+18.65%
|
175/85-15
d=26.71
w=5.86
+21.79%
|
185 |
185/25-15
d=18.64
w=1.82
-15.01%
|
185/30-15
d=19.37
w=2.19
-11.69%
|
185/35-15
d=20.10
w=2.55
-8.36%
|
185/40-15
d=20.83
w=2.91
-5.04%
|
185/45-15
d=21.56
w=3.28
-1.72%
|
185/50-15
d=22.28
w=3.64
+1.60%
|
185/55-15
d=23.01
w=4.01
+4.92%
|
185/60-15
d=23.74
w=4.37
+8.24%
|
185/65-15
d=24.47
w=4.73
+11.56%
|
185/70-15
d=25.20
w=5.10
+14.88%
|
185/75-15
d=25.93
w=5.46
+18.20%
|
185/80-15
d=26.65
w=5.83
+21.52%
|
185/85-15
d=27.38
w=6.19
+24.84%
|
195 |
195/25-15
d=18.84
w=1.92
-14.11%
|
195/30-15
d=19.61
w=2.30
-10.61%
|
195/35-15
d=20.37
w=2.69
-7.11%
|
195/40-15
d=21.14
w=3.07
-3.61%
|
195/45-15
d=21.91
w=3.45
-0.11%
|
195/50-15
d=22.68
w=3.84
+3.39%
|
195/55-15
d=23.44
w=4.22
+6.89%
|
195/60-15
d=24.21
w=4.61
+10.39%
|
195/65-15
d=24.98
w=4.99
+13.89%
|
195/70-15
d=25.75
w=5.37
+17.39%
|
195/75-15
d=26.52
w=5.76
+20.89%
|
195/80-15
d=27.28
w=6.14
+24.39%
|
195/85-15
d=28.05
w=6.53
+27.89%
|
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!