Code | Difference | = 50mph | 1000miles = | Diameter | Wall,in | Wall,mm |
---|---|---|---|---|---|---|
205/40-17 | 0.00 % | 50.00 | 1,000.00 | 23.46 | 3.23 | 82.00 |
195/45-16.5 | -0.20 % | 49.90 | 1,002.01 | 23.41 | 3.45 | 87.75 |
195/75-12 | +0.25 % | 50.13 | 997.48 | 23.52 | 5.76 | 146.25 |
205/70-12 | -0.67 % | 49.66 | 1,006.71 | 23.30 | 5.65 | 143.50 |
205/45-16 | -0.82 % | 49.59 | 1,008.22 | 23.26 | 3.63 | 92.25 |
195/50-16 | +0.94 % | 50.47 | 990.60 | 23.68 | 3.84 | 97.50 |
205/60-14 | +0.97 % | 50.49 | 990.27 | 23.69 | 4.84 | 123.00 |
195/60-14 | -1.04 % | 49.48 | 1,010.41 | 23.21 | 4.61 | 117.00 |
205/45-16.5 | +1.31 % | 50.65 | 986.91 | 23.76 | 3.63 | 92.25 |
195/40-17 | -1.34 % | 49.33 | 1,013.43 | 23.14 | 3.07 | 78.00 |
195/45-17 | +1.93 % | 50.97 | 980.70 | 23.91 | 3.45 | 87.75 |
Ratio: | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wheel Size 12
|
|||||||||||||
195 |
195/25-12
d=15.84
w=1.92
-32.48%
|
195/30-12
d=16.61
w=2.30
-29.20%
|
195/35-12
d=17.37
w=2.69
-25.93%
|
195/40-12
d=18.14
w=3.07
-22.66%
|
195/45-12
d=18.91
w=3.45
-19.39%
|
195/50-12
d=19.68
w=3.84
-16.11%
|
195/55-12
d=20.44
w=4.22
-12.84%
|
195/60-12
d=21.21
w=4.61
-9.57%
|
195/65-12
d=21.98
w=4.99
-6.29%
|
195/70-12
d=22.75
w=5.37
-3.02%
|
195/75-12
d=23.52
w=5.76
+0.25%
|
195/80-12
d=24.28
w=6.14
+3.52%
|
195/85-12
d=25.05
w=6.53
+6.80%
|
205 |
205/25-12
d=16.04
w=2.02
-31.64%
|
205/30-12
d=16.84
w=2.42
-28.20%
|
205/35-12
d=17.65
w=2.82
-24.76%
|
205/40-12
d=18.46
w=3.23
-21.32%
|
205/45-12
d=19.26
w=3.63
-17.88%
|
205/50-12
d=20.07
w=4.04
-14.43%
|
205/55-12
d=20.88
w=4.44
-10.99%
|
205/60-12
d=21.69
w=4.84
-7.55%
|
205/65-12
d=22.49
w=5.25
-4.11%
|
205/70-12
d=23.30
w=5.65
-0.67%
|
205/75-12
d=24.11
w=6.05
+2.77%
|
205/80-12
d=24.91
w=6.46
+6.21%
|
205/85-12
d=25.72
w=6.86
+9.65%
|
Wheel Size 13
|
|||||||||||||
Wheel Size 14
|
|||||||||||||
195 |
195/25-14
d=17.84
w=1.92
-23.95%
|
195/30-14
d=18.61
w=2.30
-20.68%
|
195/35-14
d=19.37
w=2.69
-17.41%
|
195/40-14
d=20.14
w=3.07
-14.13%
|
195/45-14
d=20.91
w=3.45
-10.86%
|
195/50-14
d=21.68
w=3.84
-7.59%
|
195/55-14
d=22.44
w=4.22
-4.31%
|
195/60-14
d=23.21
w=4.61
-1.04%
|
195/65-14
d=23.98
w=4.99
+2.23%
|
195/70-14
d=24.75
w=5.37
+5.51%
|
195/75-14
d=25.52
w=5.76
+8.78%
|
195/80-14
d=26.28
w=6.14
+12.05%
|
195/85-14
d=27.05
w=6.53
+15.32%
|
205 |
205/25-14
d=18.04
w=2.02
-23.11%
|
205/30-14
d=18.84
w=2.42
-19.67%
|
205/35-14
d=19.65
w=2.82
-16.23%
|
205/40-14
d=20.46
w=3.23
-12.79%
|
205/45-14
d=21.26
w=3.63
-9.35%
|
205/50-14
d=22.07
w=4.04
-5.91%
|
205/55-14
d=22.88
w=4.44
-2.47%
|
205/60-14
d=23.69
w=4.84
+0.97%
|
205/65-14
d=24.49
w=5.25
+4.41%
|
205/70-14
d=25.30
w=5.65
+7.85%
|
205/75-14
d=26.11
w=6.05
+11.30%
|
205/80-14
d=26.91
w=6.46
+14.74%
|
205/85-14
d=27.72
w=6.86
+18.18%
|
Wheel Size 15
|
|||||||||||||
Wheel Size 16
|
|||||||||||||
195 |
195/25-16
d=19.84
w=1.92
-15.42%
|
195/30-16
d=20.61
w=2.30
-12.15%
|
195/35-16
d=21.37
w=2.69
-8.88%
|
195/40-16
d=22.14
w=3.07
-5.61%
|
195/45-16
d=22.91
w=3.45
-2.33%
|
195/50-16
d=23.68
w=3.84
+0.94%
|
195/55-16
d=24.44
w=4.22
+4.21%
|
195/60-16
d=25.21
w=4.61
+7.49%
|
195/65-16
d=25.98
w=4.99
+10.76%
|
195/70-16
d=26.75
w=5.37
+14.03%
|
195/75-16
d=27.52
w=5.76
+17.30%
|
195/80-16
d=28.28
w=6.14
+20.58%
|
195/85-16
d=29.05
w=6.53
+23.85%
|
205 |
205/25-16
d=20.04
w=2.02
-14.59%
|
205/30-16
d=20.84
w=2.42
-11.14%
|
205/35-16
d=21.65
w=2.82
-7.70%
|
205/40-16
d=22.46
w=3.23
-4.26%
|
205/45-16
d=23.26
w=3.63
-0.82%
|
205/50-16
d=24.07
w=4.04
+2.62%
|
205/55-16
d=24.88
w=4.44
+6.06%
|
205/60-16
d=25.69
w=4.84
+9.50%
|
205/65-16
d=26.49
w=5.25
+12.94%
|
205/70-16
d=27.30
w=5.65
+16.38%
|
205/75-16
d=28.11
w=6.05
+19.82%
|
205/80-16
d=28.91
w=6.46
+23.26%
|
205/85-16
d=29.72
w=6.86
+26.70%
|
Wheel Size 16.5
|
|||||||||||||
195 |
195/25-16.5
d=20.34
w=1.92
-13.29%
|
195/30-16.5
d=21.11
w=2.30
-10.02%
|
195/35-16.5
d=21.87
w=2.69
-6.75%
|
195/40-16.5
d=22.64
w=3.07
-3.47%
|
195/45-16.5
d=23.41
w=3.45
-0.20%
|
195/50-16.5
d=24.18
w=3.84
+3.07%
|
195/55-16.5
d=24.94
w=4.22
+6.34%
|
195/60-16.5
d=25.71
w=4.61
+9.62%
|
195/65-16.5
d=26.48
w=4.99
+12.89%
|
195/70-16.5
d=27.25
w=5.37
+16.16%
|
195/75-16.5
d=28.02
w=5.76
+19.44%
|
195/80-16.5
d=28.78
w=6.14
+22.71%
|
195/85-16.5
d=29.55
w=6.53
+25.98%
|
205 |
205/25-16.5
d=20.54
w=2.02
-12.45%
|
205/30-16.5
d=21.34
w=2.42
-9.01%
|
205/35-16.5
d=22.15
w=2.82
-5.57%
|
205/40-16.5
d=22.96
w=3.23
-2.13%
|
205/45-16.5
d=23.76
w=3.63
+1.31%
|
205/50-16.5
d=24.57
w=4.04
+4.75%
|
205/55-16.5
d=25.38
w=4.44
+8.19%
|
205/60-16.5
d=26.19
w=4.84
+11.63%
|
205/65-16.5
d=26.99
w=5.25
+15.07%
|
205/70-16.5
d=27.80
w=5.65
+18.51%
|
205/75-16.5
d=28.61
w=6.05
+21.95%
|
205/80-16.5
d=29.41
w=6.46
+25.39%
|
205/85-16.5
d=30.22
w=6.86
+28.84%
|
Wheel Size 17
|
|||||||||||||
195 |
195/25-17
d=20.84
w=1.92
-11.16%
|
195/30-17
d=21.61
w=2.30
-7.89%
|
195/35-17
d=22.37
w=2.69
-4.62%
|
195/40-17
d=23.14
w=3.07
-1.34%
|
195/45-17
d=23.91
w=3.45
+1.93%
|
195/50-17
d=24.68
w=3.84
+5.20%
|
195/55-17
d=25.44
w=4.22
+8.48%
|
195/60-17
d=26.21
w=4.61
+11.75%
|
195/65-17
d=26.98
w=4.99
+15.02%
|
195/70-17
d=27.75
w=5.37
+18.29%
|
195/75-17
d=28.52
w=5.76
+21.57%
|
195/80-17
d=29.28
w=6.14
+24.84%
|
195/85-17
d=30.05
w=6.53
+28.11%
|
205 |
205/25-17
d=21.04
w=2.02
-10.32%
|
205/30-17
d=21.84
w=2.42
-6.88%
|
205/35-17
d=22.65
w=2.82
-3.44%
|
205/40-17
d=23.46
w=3.23
0.00%
|
205/45-17
d=24.26
w=3.63
+3.44%
|
205/50-17
d=25.07
w=4.04
+6.88%
|
205/55-17
d=25.88
w=4.44
+10.32%
|
205/60-17
d=26.69
w=4.84
+13.76%
|
205/65-17
d=27.49
w=5.25
+17.20%
|
205/70-17
d=28.30
w=5.65
+20.64%
|
205/75-17
d=29.11
w=6.05
+24.09%
|
205/80-17
d=29.91
w=6.46
+27.53%
|
205/85-17
d=30.72
w=6.86
+30.97%
|
Wheel Size 18
|
|||||||||||||
Wheel Size 19
|
|||||||||||||
Wheel Size 20
|
|||||||||||||
Wheel Size 21
|
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!