Code | Difference | = 50mph | 1000miles = | Diameter | Wall,in | Wall,mm |
---|---|---|---|---|---|---|
225/45-18 | 0.00 % | 50.00 | 1,000.00 | 25.97 | 3.99 | 101.25 |
205/55-17 | -0.36 % | 49.82 | 1,003.64 | 25.88 | 4.44 | 112.75 |
225/50-17 | -0.44 % | 49.78 | 1,004.40 | 25.86 | 4.43 | 112.50 |
215/55-16.5 | -0.62 % | 49.69 | 1,006.21 | 25.81 | 4.66 | 118.25 |
215/60-16 | +0.71 % | 50.36 | 992.88 | 26.16 | 5.08 | 129.00 |
205/60-16.5 | +0.82 % | 50.41 | 991.81 | 26.19 | 4.84 | 123.00 |
225/55-16 | -0.88 % | 49.56 | 1,008.79 | 25.74 | 4.87 | 123.75 |
225/55-16.5 | +1.05 % | 50.52 | 989.54 | 26.24 | 4.87 | 123.75 |
205/60-16 | -1.11 % | 49.45 | 1,011.07 | 25.69 | 4.84 | 123.00 |
215/55-17 | +1.30 % | 50.65 | 986.96 | 26.31 | 4.66 | 118.25 |
215/50-17 | -1.96 % | 49.02 | 1,019.55 | 25.46 | 4.23 | 107.50 |
Ratio: | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wheel Size 16
|
|||||||||||||
205 |
205/25-16
d=20.04
w=2.02
-22.86%
|
205/30-16
d=20.84
w=2.42
-19.75%
|
205/35-16
d=21.65
w=2.82
-16.64%
|
205/40-16
d=22.46
w=3.23
-13.54%
|
205/45-16
d=23.26
w=3.63
-10.43%
|
205/50-16
d=24.07
w=4.04
-7.32%
|
205/55-16
d=24.88
w=4.44
-4.21%
|
205/60-16
d=25.69
w=4.84
-1.11%
|
205/65-16
d=26.49
w=5.25
+2.00%
|
205/70-16
d=27.30
w=5.65
+5.11%
|
205/75-16
d=28.11
w=6.05
+8.22%
|
205/80-16
d=28.91
w=6.46
+11.32%
|
205/85-16
d=29.72
w=6.86
+14.43%
|
215 |
215/25-16
d=20.23
w=2.12
-22.10%
|
215/30-16
d=21.08
w=2.54
-18.84%
|
215/35-16
d=21.93
w=2.96
-15.58%
|
215/40-16
d=22.77
w=3.39
-12.32%
|
215/45-16
d=23.62
w=3.81
-9.06%
|
215/50-16
d=24.46
w=4.23
-5.81%
|
215/55-16
d=25.31
w=4.66
-2.55%
|
215/60-16
d=26.16
w=5.08
+0.71%
|
215/65-16
d=27.00
w=5.50
+3.97%
|
215/70-16
d=27.85
w=5.93
+7.23%
|
215/75-16
d=28.70
w=6.35
+10.49%
|
215/80-16
d=29.54
w=6.77
+13.75%
|
215/85-16
d=30.39
w=7.19
+17.01%
|
225 |
225/25-16
d=20.43
w=2.21
-21.34%
|
225/30-16
d=21.31
w=2.66
-17.93%
|
225/35-16
d=22.20
w=3.10
-14.52%
|
225/40-16
d=23.09
w=3.54
-11.11%
|
225/45-16
d=23.97
w=3.99
-7.70%
|
225/50-16
d=24.86
w=4.43
-4.29%
|
225/55-16
d=25.74
w=4.87
-0.88%
|
225/60-16
d=26.63
w=5.31
+2.53%
|
225/65-16
d=27.52
w=5.76
+5.94%
|
225/70-16
d=28.40
w=6.20
+9.35%
|
225/75-16
d=29.29
w=6.64
+12.76%
|
225/80-16
d=30.17
w=7.09
+16.17%
|
225/85-16
d=31.06
w=7.53
+19.58%
|
Wheel Size 16.5
|
|||||||||||||
205 |
205/25-16.5
d=20.54
w=2.02
-20.93%
|
205/30-16.5
d=21.34
w=2.42
-17.83%
|
205/35-16.5
d=22.15
w=2.82
-14.72%
|
205/40-16.5
d=22.96
w=3.23
-11.61%
|
205/45-16.5
d=23.76
w=3.63
-8.50%
|
205/50-16.5
d=24.57
w=4.04
-5.40%
|
205/55-16.5
d=25.38
w=4.44
-2.29%
|
205/60-16.5
d=26.19
w=4.84
+0.82%
|
205/65-16.5
d=26.99
w=5.25
+3.93%
|
205/70-16.5
d=27.80
w=5.65
+7.03%
|
205/75-16.5
d=28.61
w=6.05
+10.14%
|
205/80-16.5
d=29.41
w=6.46
+13.25%
|
205/85-16.5
d=30.22
w=6.86
+16.36%
|
215 |
215/25-16.5
d=20.73
w=2.12
-20.18%
|
215/30-16.5
d=21.58
w=2.54
-16.92%
|
215/35-16.5
d=22.43
w=2.96
-13.66%
|
215/40-16.5
d=23.27
w=3.39
-10.40%
|
215/45-16.5
d=24.12
w=3.81
-7.14%
|
215/50-16.5
d=24.96
w=4.23
-3.88%
|
215/55-16.5
d=25.81
w=4.66
-0.62%
|
215/60-16.5
d=26.66
w=5.08
+2.64%
|
215/65-16.5
d=27.50
w=5.50
+5.90%
|
215/70-16.5
d=28.35
w=5.93
+9.16%
|
215/75-16.5
d=29.20
w=6.35
+12.41%
|
215/80-16.5
d=30.04
w=6.77
+15.67%
|
215/85-16.5
d=30.89
w=7.19
+18.93%
|
225 |
225/25-16.5
d=20.93
w=2.21
-19.42%
|
225/30-16.5
d=21.81
w=2.66
-16.01%
|
225/35-16.5
d=22.70
w=3.10
-12.60%
|
225/40-16.5
d=23.59
w=3.54
-9.19%
|
225/45-16.5
d=24.47
w=3.99
-5.78%
|
225/50-16.5
d=25.36
w=4.43
-2.36%
|
225/55-16.5
d=26.24
w=4.87
+1.05%
|
225/60-16.5
d=27.13
w=5.31
+4.46%
|
225/65-16.5
d=28.02
w=5.76
+7.87%
|
225/70-16.5
d=28.90
w=6.20
+11.28%
|
225/75-16.5
d=29.79
w=6.64
+14.69%
|
225/80-16.5
d=30.67
w=7.09
+18.10%
|
225/85-16.5
d=31.56
w=7.53
+21.51%
|
Wheel Size 17
|
|||||||||||||
205 |
205/25-17
d=21.04
w=2.02
-19.01%
|
205/30-17
d=21.84
w=2.42
-15.90%
|
205/35-17
d=22.65
w=2.82
-12.79%
|
205/40-17
d=23.46
w=3.23
-9.69%
|
205/45-17
d=24.26
w=3.63
-6.58%
|
205/50-17
d=25.07
w=4.04
-3.47%
|
205/55-17
d=25.88
w=4.44
-0.36%
|
205/60-17
d=26.69
w=4.84
+2.74%
|
205/65-17
d=27.49
w=5.25
+5.85%
|
205/70-17
d=28.30
w=5.65
+8.96%
|
205/75-17
d=29.11
w=6.05
+12.07%
|
205/80-17
d=29.91
w=6.46
+15.17%
|
205/85-17
d=30.72
w=6.86
+18.28%
|
215 |
215/25-17
d=21.23
w=2.12
-18.25%
|
215/30-17
d=22.08
w=2.54
-14.99%
|
215/35-17
d=22.93
w=2.96
-11.73%
|
215/40-17
d=23.77
w=3.39
-8.47%
|
215/45-17
d=24.62
w=3.81
-5.21%
|
215/50-17
d=25.46
w=4.23
-1.96%
|
215/55-17
d=26.31
w=4.66
+1.30%
|
215/60-17
d=27.16
w=5.08
+4.56%
|
215/65-17
d=28.00
w=5.50
+7.82%
|
215/70-17
d=28.85
w=5.93
+11.08%
|
215/75-17
d=29.70
w=6.35
+14.34%
|
215/80-17
d=30.54
w=6.77
+17.60%
|
215/85-17
d=31.39
w=7.19
+20.86%
|
225 |
225/25-17
d=21.43
w=2.21
-17.49%
|
225/30-17
d=22.31
w=2.66
-14.08%
|
225/35-17
d=23.20
w=3.10
-10.67%
|
225/40-17
d=24.09
w=3.54
-7.26%
|
225/45-17
d=24.97
w=3.99
-3.85%
|
225/50-17
d=25.86
w=4.43
-0.44%
|
225/55-17
d=26.74
w=4.87
+2.97%
|
225/60-17
d=27.63
w=5.31
+6.38%
|
225/65-17
d=28.52
w=5.76
+9.79%
|
225/70-17
d=29.40
w=6.20
+13.20%
|
225/75-17
d=30.29
w=6.64
+16.61%
|
225/80-17
d=31.17
w=7.09
+20.02%
|
225/85-17
d=32.06
w=7.53
+23.43%
|
Wheel Size 18
|
|||||||||||||
205 |
205/25-18
d=22.04
w=2.02
-15.16%
|
205/30-18
d=22.84
w=2.42
-12.05%
|
205/35-18
d=23.65
w=2.82
-8.94%
|
205/40-18
d=24.46
w=3.23
-5.84%
|
205/45-18
d=25.26
w=3.63
-2.73%
|
205/50-18
d=26.07
w=4.04
+0.38%
|
205/55-18
d=26.88
w=4.44
+3.49%
|
205/60-18
d=27.69
w=4.84
+6.59%
|
205/65-18
d=28.49
w=5.25
+9.70%
|
205/70-18
d=29.30
w=5.65
+12.81%
|
205/75-18
d=30.11
w=6.05
+15.92%
|
205/80-18
d=30.91
w=6.46
+19.02%
|
205/85-18
d=31.72
w=6.86
+22.13%
|
215 |
215/25-18
d=22.23
w=2.12
-14.40%
|
215/30-18
d=23.08
w=2.54
-11.14%
|
215/35-18
d=23.93
w=2.96
-7.88%
|
215/40-18
d=24.77
w=3.39
-4.62%
|
215/45-18
d=25.62
w=3.81
-1.36%
|
215/50-18
d=26.46
w=4.23
+1.89%
|
215/55-18
d=27.31
w=4.66
+5.15%
|
215/60-18
d=28.16
w=5.08
+8.41%
|
215/65-18
d=29.00
w=5.50
+11.67%
|
215/70-18
d=29.85
w=5.93
+14.93%
|
215/75-18
d=30.70
w=6.35
+18.19%
|
215/80-18
d=31.54
w=6.77
+21.45%
|
215/85-18
d=32.39
w=7.19
+24.71%
|
225 |
225/25-18
d=22.43
w=2.21
-13.64%
|
225/30-18
d=23.31
w=2.66
-10.23%
|
225/35-18
d=24.20
w=3.10
-6.82%
|
225/40-18
d=25.09
w=3.54
-3.41%
|
225/45-18
d=25.97
w=3.99
0.00%
|
225/50-18
d=26.86
w=4.43
+3.41%
|
225/55-18
d=27.74
w=4.87
+6.82%
|
225/60-18
d=28.63
w=5.31
+10.23%
|
225/65-18
d=29.52
w=5.76
+13.64%
|
225/70-18
d=30.40
w=6.20
+17.05%
|
225/75-18
d=31.29
w=6.64
+20.46%
|
225/80-18
d=32.17
w=7.09
+23.87%
|
225/85-18
d=33.06
w=7.53
+27.29%
|
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!