Code | Difference | = 50mph | 1000miles = | Diameter | Wall,in | Wall,mm |
---|---|---|---|---|---|---|
185/65-14 | 0.00 % | 50.00 | 1,000.00 | 23.47 | 4.73 | 120.25 |
195/55-15 | -0.10 % | 49.95 | 1,001.01 | 23.44 | 4.22 | 107.25 |
185/45-17 | +0.37 % | 50.18 | 996.31 | 23.56 | 3.28 | 83.25 |
185/50-16 | -0.79 % | 49.61 | 1,007.88 | 23.28 | 3.64 | 92.50 |
205/45-16 | -0.87 % | 49.56 | 1,008.72 | 23.26 | 3.63 | 92.25 |
195/50-16 | +0.89 % | 50.44 | 991.11 | 23.68 | 3.84 | 97.50 |
205/60-14 | +0.92 % | 50.46 | 990.77 | 23.69 | 4.84 | 123.00 |
195/60-14 | -1.09 % | 49.45 | 1,010.90 | 23.21 | 4.61 | 117.00 |
185/60-15 | +1.16 % | 50.58 | 988.42 | 23.74 | 4.37 | 111.00 |
205/50-15 | -1.69 % | 49.15 | 1,016.94 | 23.07 | 4.04 | 102.50 |
205/55-15 | +1.74 % | 50.87 | 982.55 | 23.88 | 4.44 | 112.75 |
195/45-17 | +1.88 % | 50.94 | 981.21 | 23.91 | 3.45 | 87.75 |
185/55-15 | -1.95 % | 49.03 | 1,019.46 | 23.01 | 4.01 | 101.75 |
Ratio: | 45 | 50 | 55 | 60 | 65 | 70 |
---|---|---|---|---|---|---|
Wheel Size 12
|
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Wheel Size 13
|
||||||
Wheel Size 14
|
||||||
185 |
185/45-14
d=20.56
w=3.28
-12.41%
|
185/50-14
d=21.28
w=3.64
-9.31%
|
185/55-14
d=22.01
w=4.01
-6.21%
|
185/60-14
d=22.74
w=4.37
-3.10%
|
185/65-14
d=23.47
w=4.73
0.00%
|
185/70-14
d=24.20
w=5.10
+3.10%
|
195 |
195/45-14
d=20.91
w=3.45
-10.90%
|
195/50-14
d=21.68
w=3.84
-7.63%
|
195/55-14
d=22.44
w=4.22
-4.36%
|
195/60-14
d=23.21
w=4.61
-1.09%
|
195/65-14
d=23.98
w=4.99
+2.18%
|
195/70-14
d=24.75
w=5.37
+5.45%
|
205 |
205/45-14
d=21.26
w=3.63
-9.39%
|
205/50-14
d=22.07
w=4.04
-5.96%
|
205/55-14
d=22.88
w=4.44
-2.52%
|
205/60-14
d=23.69
w=4.84
+0.92%
|
205/65-14
d=24.49
w=5.25
+4.36%
|
205/70-14
d=25.30
w=5.65
+7.80%
|
Wheel Size 15
|
||||||
185 |
185/45-15
d=21.56
w=3.28
-8.15%
|
185/50-15
d=22.28
w=3.64
-5.05%
|
185/55-15
d=23.01
w=4.01
-1.95%
|
185/60-15
d=23.74
w=4.37
+1.16%
|
185/65-15
d=24.47
w=4.73
+4.26%
|
185/70-15
d=25.20
w=5.10
+7.36%
|
195 |
195/45-15
d=21.91
w=3.45
-6.64%
|
195/50-15
d=22.68
w=3.84
-3.37%
|
195/55-15
d=23.44
w=4.22
-0.10%
|
195/60-15
d=24.21
w=4.61
+3.17%
|
195/65-15
d=24.98
w=4.99
+6.44%
|
195/70-15
d=25.75
w=5.37
+9.71%
|
205 |
205/45-15
d=22.26
w=3.63
-5.13%
|
205/50-15
d=23.07
w=4.04
-1.69%
|
205/55-15
d=23.88
w=4.44
+1.74%
|
205/60-15
d=24.69
w=4.84
+5.18%
|
205/65-15
d=25.49
w=5.25
+8.62%
|
205/70-15
d=26.30
w=5.65
+12.06%
|
Wheel Size 16
|
||||||
185 |
185/45-16
d=22.56
w=3.28
-3.89%
|
185/50-16
d=23.28
w=3.64
-0.79%
|
185/55-16
d=24.01
w=4.01
+2.32%
|
185/60-16
d=24.74
w=4.37
+5.42%
|
185/65-16
d=25.47
w=4.73
+8.52%
|
185/70-16
d=26.20
w=5.10
+11.63%
|
195 |
195/45-16
d=22.91
w=3.45
-2.38%
|
195/50-16
d=23.68
w=3.84
+0.89%
|
195/55-16
d=24.44
w=4.22
+4.16%
|
195/60-16
d=25.21
w=4.61
+7.43%
|
195/65-16
d=25.98
w=4.99
+10.70%
|
195/70-16
d=26.75
w=5.37
+13.97%
|
205 |
205/45-16
d=23.26
w=3.63
-0.87%
|
205/50-16
d=24.07
w=4.04
+2.57%
|
205/55-16
d=24.88
w=4.44
+6.01%
|
205/60-16
d=25.69
w=4.84
+9.44%
|
205/65-16
d=26.49
w=5.25
+12.88%
|
205/70-16
d=27.30
w=5.65
+16.32%
|
Wheel Size 16.5
|
||||||
Wheel Size 17
|
||||||
185 |
185/45-17
d=23.56
w=3.28
+0.37%
|
185/50-17
d=24.28
w=3.64
+3.47%
|
185/55-17
d=25.01
w=4.01
+6.58%
|
185/60-17
d=25.74
w=4.37
+9.68%
|
185/65-17
d=26.47
w=4.73
+12.78%
|
185/70-17
d=27.20
w=5.10
+15.89%
|
195 |
195/45-17
d=23.91
w=3.45
+1.88%
|
195/50-17
d=24.68
w=3.84
+5.15%
|
195/55-17
d=25.44
w=4.22
+8.42%
|
195/60-17
d=26.21
w=4.61
+11.69%
|
195/65-17
d=26.98
w=4.99
+14.96%
|
195/70-17
d=27.75
w=5.37
+18.24%
|
205 |
205/45-17
d=24.26
w=3.63
+3.39%
|
205/50-17
d=25.07
w=4.04
+6.83%
|
205/55-17
d=25.88
w=4.44
+10.27%
|
205/60-17
d=26.69
w=4.84
+13.71%
|
205/65-17
d=27.49
w=5.25
+17.14%
|
205/70-17
d=28.30
w=5.65
+20.58%
|
Wheel Size 18
|
||||||
Wheel Size 19
|
||||||
Wheel Size 20
|
||||||
185 |
185/45-20
d=26.56
w=3.28
+13.15%
|
185/50-20
d=27.28
w=3.64
+16.26%
|
185/55-20
d=28.01
w=4.01
+19.36%
|
185/60-20
d=28.74
w=4.37
+22.46%
|
185/65-20
d=29.47
w=4.73
+25.57%
|
185/70-20
d=30.20
w=5.10
+28.67%
|
195 |
195/45-20
d=26.91
w=3.45
+14.66%
|
195/50-20
d=27.68
w=3.84
+17.93%
|
195/55-20
d=28.44
w=4.22
+21.20%
|
195/60-20
d=29.21
w=4.61
+24.48%
|
195/65-20
d=29.98
w=4.99
+27.75%
|
195/70-20
d=30.75
w=5.37
+31.02%
|
205 |
205/45-20
d=27.26
w=3.63
+16.17%
|
205/50-20
d=28.07
w=4.04
+19.61%
|
205/55-20
d=28.88
w=4.44
+23.05%
|
205/60-20
d=29.69
w=4.84
+26.49%
|
205/65-20
d=30.49
w=5.25
+29.93%
|
205/70-20
d=31.30
w=5.65
+33.37%
|
Wheel Size 21
|
||||||
185 |
185/45-21
d=27.56
w=3.28
+17.41%
|
185/50-21
d=28.28
w=3.64
+20.52%
|
185/55-21
d=29.01
w=4.01
+23.62%
|
185/60-21
d=29.74
w=4.37
+26.72%
|
185/65-21
d=30.47
w=4.73
+29.83%
|
185/70-21
d=31.20
w=5.10
+32.93%
|
195 |
195/45-21
d=27.91
w=3.45
+18.92%
|
195/50-21
d=28.68
w=3.84
+22.19%
|
195/55-21
d=29.44
w=4.22
+25.47%
|
195/60-21
d=30.21
w=4.61
+28.74%
|
195/65-21
d=30.98
w=4.99
+32.01%
|
195/70-21
d=31.75
w=5.37
+35.28%
|
205 |
205/45-21
d=28.26
w=3.63
+20.43%
|
205/50-21
d=29.07
w=4.04
+23.87%
|
205/55-21
d=29.88
w=4.44
+27.31%
|
205/60-21
d=30.69
w=4.84
+30.75%
|
205/65-21
d=31.49
w=5.25
+34.19%
|
205/70-21
d=32.30
w=5.65
+37.63%
|
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!