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Best Matches for 130/70-18 in 12", 14", 15", 18", 21".

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Code Difference = 50mph 1000miles = Diameter Wall,in Wall,mm
165/55-18 -0.08 % 49.96 1,000.78 25.15 3.57 90.75
185/70-15 +0.13 % 50.06 998.75 25.20 5.10 129.50
175/30-21 -0.13 % 49.94 1,001.25 25.13 2.07 52.50
205/45-18 +0.39 % 50.20 996.09 25.26 3.63 92.25
195/85-12 -0.45 % 49.77 1,004.54 25.05 6.53 165.75
185/50-18 +0.47 % 50.23 995.31 25.28 3.64 92.50
165/85-14 -0.48 % 49.76 1,004.85 25.04 5.52 140.25
205/25-21 -0.52 % 49.74 1,005.16 25.04 2.02 51.25
205/70-14 +0.53 % 50.27 994.68 25.30 5.65 143.50
175/80-14 -0.56 % 49.72 1,005.63 25.02 5.51 140.00
175/75-15 +0.67 % 50.34 993.27 25.33 5.17 131.25
195/65-15 -0.74 % 49.63 1,007.35 24.98 4.99 126.75
185/30-21 +0.81 % 50.41 991.86 25.37 2.19 55.50
165/80-15 +0.91 % 50.45 990.93 25.39 5.20 132.00
185/75-14 -0.95 % 49.52 1,009.54 24.93 5.46 138.75
205/80-12 -1.00 % 49.50 1,010.01 24.91 6.46 164.00
195/45-18 -1.02 % 49.49 1,010.17 24.91 3.45 87.75
165/30-21 -1.06 % 49.47 1,010.64 24.90 1.95 49.50
175/50-18 -1.10 % 49.45 1,010.95 24.89 3.44 87.50
195/25-21 -1.30 % 49.35 1,012.98 24.84 1.92 48.75
205/65-15 +1.30 % 50.65 987.02 25.49 5.25 133.25
195/75-14 +1.39 % 50.70 986.08 25.52 5.76 146.25
165/35-21 +1.52 % 50.76 984.82 25.55 2.27 57.75
175/55-18 +1.64 % 50.82 983.57 25.58 3.79 96.25
195/70-14 -1.66 % 49.17 1,016.58 24.75 5.37 136.50
165/75-15 -1.67 % 49.16 1,016.74 24.74 4.87 123.75
195/30-21 +1.75 % 50.88 982.48 25.61 2.30 58.50
205/60-15 -1.91 % 49.05 1,019.09 24.69 4.84 123.00
185/80-14 +1.94 % 50.97 980.60 25.65 5.83 148.00
= 50mph
true speed when speedometer shows 50mph
1000miles =
odometer reading for actual 1000 miles
Ratio: 25 30 35 40 45 50 55 60 65 70 75 80 85
Wheel Size 12
165
165/25-12
d=15.25
w=1.62
-39.41%
165/30-12
d=15.90
w=1.95
-36.83%
165/35-12
d=16.55
w=2.27
-34.25%
165/40-12
d=17.20
w=2.60
-31.66%
165/45-12
d=17.85
w=2.92
-29.08%
165/50-12
d=18.50
w=3.25
-26.50%
165/55-12
d=19.15
w=3.57
-23.92%
165/60-12
d=19.80
w=3.90
-21.34%
165/65-12
d=20.44
w=4.22
-18.76%
165/70-12
d=21.09
w=4.55
-16.18%
165/75-12
d=21.74
w=4.87
-13.60%
165/80-12
d=22.39
w=5.20
-11.01%
165/85-12
d=23.04
w=5.52
-8.43%
175
175/25-12
d=15.44
w=1.72
-38.63%
175/30-12
d=16.13
w=2.07
-35.89%
175/35-12
d=16.82
w=2.41
-33.15%
175/40-12
d=17.51
w=2.76
-30.41%
175/45-12
d=18.20
w=3.10
-27.68%
175/50-12
d=18.89
w=3.44
-24.94%
175/55-12
d=19.58
w=3.79
-22.20%
175/60-12
d=20.27
w=4.13
-19.46%
175/65-12
d=20.96
w=4.48
-16.72%
175/70-12
d=21.65
w=4.82
-13.99%
175/75-12
d=22.33
w=5.17
-11.25%
175/80-12
d=23.02
w=5.51
-8.51%
175/85-12
d=23.71
w=5.86
-5.77%
185
185/25-12
d=15.64
w=1.82
-37.84%
185/30-12
d=16.37
w=2.19
-34.95%
185/35-12
d=17.10
w=2.55
-32.06%
185/40-12
d=17.83
w=2.91
-29.16%
185/45-12
d=18.56
w=3.28
-26.27%
185/50-12
d=19.28
w=3.64
-23.37%
185/55-12
d=20.01
w=4.01
-20.48%
185/60-12
d=20.74
w=4.37
-17.58%
185/65-12
d=21.47
w=4.73
-14.69%
185/70-12
d=22.20
w=5.10
-11.80%
185/75-12
d=22.93
w=5.46
-8.90%
185/80-12
d=23.65
w=5.83
-6.01%
185/85-12
d=24.38
w=6.19
-3.11%
195
195/25-12
d=15.84
w=1.92
-37.06%
195/30-12
d=16.61
w=2.30
-34.01%
195/35-12
d=17.37
w=2.69
-30.96%
195/40-12
d=18.14
w=3.07
-27.91%
195/45-12
d=18.91
w=3.45
-24.86%
195/50-12
d=19.68
w=3.84
-21.81%
195/55-12
d=20.44
w=4.22
-18.76%
195/60-12
d=21.21
w=4.61
-15.71%
195/65-12
d=21.98
w=4.99
-12.66%
195/70-12
d=22.75
w=5.37
-9.61%
195/75-12
d=23.52
w=5.76
-6.56%
195/80-12
d=24.28
w=6.14
-3.50%
195/85-12
d=25.05
w=6.53
-0.45%
205
205/25-12
d=16.04
w=2.02
-36.28%
205/30-12
d=16.84
w=2.42
-33.07%
205/35-12
d=17.65
w=2.82
-29.87%
205/40-12
d=18.46
w=3.23
-26.66%
205/45-12
d=19.26
w=3.63
-23.45%
205/50-12
d=20.07
w=4.04
-20.24%
205/55-12
d=20.88
w=4.44
-17.04%
205/60-12
d=21.69
w=4.84
-13.83%
205/65-12
d=22.49
w=5.25
-10.62%
205/70-12
d=23.30
w=5.65
-7.42%
205/75-12
d=24.11
w=6.05
-4.21%
205/80-12
d=24.91
w=6.46
-1.00%
205/85-12
d=25.72
w=6.86
+2.21%
Wheel Size 13
Wheel Size 14
165
165/25-14
d=17.25
w=1.62
-31.46%
165/30-14
d=17.90
w=1.95
-28.88%
165/35-14
d=18.55
w=2.27
-26.30%
165/40-14
d=19.20
w=2.60
-23.72%
165/45-14
d=19.85
w=2.92
-21.14%
165/50-14
d=20.50
w=3.25
-18.55%
165/55-14
d=21.15
w=3.57
-15.97%
165/60-14
d=21.80
w=3.90
-13.39%
165/65-14
d=22.44
w=4.22
-10.81%
165/70-14
d=23.09
w=4.55
-8.23%
165/75-14
d=23.74
w=4.87
-5.65%
165/80-14
d=24.39
w=5.20
-3.07%
165/85-14
d=25.04
w=5.52
-0.48%
175
175/25-14
d=17.44
w=1.72
-30.68%
175/30-14
d=18.13
w=2.07
-27.94%
175/35-14
d=18.82
w=2.41
-25.20%
175/40-14
d=19.51
w=2.76
-22.47%
175/45-14
d=20.20
w=3.10
-19.73%
175/50-14
d=20.89
w=3.44
-16.99%
175/55-14
d=21.58
w=3.79
-14.25%
175/60-14
d=22.27
w=4.13
-11.51%
175/65-14
d=22.96
w=4.48
-8.78%
175/70-14
d=23.65
w=4.82
-6.04%
175/75-14
d=24.33
w=5.17
-3.30%
175/80-14
d=25.02
w=5.51
-0.56%
175/85-14
d=25.71
w=5.86
+2.17%
185
185/25-14
d=17.64
w=1.82
-29.90%
185/30-14
d=18.37
w=2.19
-27.00%
185/35-14
d=19.10
w=2.55
-24.11%
185/40-14
d=19.83
w=2.91
-21.21%
185/45-14
d=20.56
w=3.28
-18.32%
185/50-14
d=21.28
w=3.64
-15.43%
185/55-14
d=22.01
w=4.01
-12.53%
185/60-14
d=22.74
w=4.37
-9.64%
185/65-14
d=23.47
w=4.73
-6.74%
185/70-14
d=24.20
w=5.10
-3.85%
185/75-14
d=24.93
w=5.46
-0.95%
185/80-14
d=25.65
w=5.83
+1.94%
185/85-14
d=26.38
w=6.19
+4.83%
195
195/25-14
d=17.84
w=1.92
-29.11%
195/30-14
d=18.61
w=2.30
-26.06%
195/35-14
d=19.37
w=2.69
-23.01%
195/40-14
d=20.14
w=3.07
-19.96%
195/45-14
d=20.91
w=3.45
-16.91%
195/50-14
d=21.68
w=3.84
-13.86%
195/55-14
d=22.44
w=4.22
-10.81%
195/60-14
d=23.21
w=4.61
-7.76%
195/65-14
d=23.98
w=4.99
-4.71%
195/70-14
d=24.75
w=5.37
-1.66%
195/75-14
d=25.52
w=5.76
+1.39%
195/80-14
d=26.28
w=6.14
+4.44%
195/85-14
d=27.05
w=6.53
+7.49%
205
205/25-14
d=18.04
w=2.02
-28.33%
205/30-14
d=18.84
w=2.42
-25.13%
205/35-14
d=19.65
w=2.82
-21.92%
205/40-14
d=20.46
w=3.23
-18.71%
205/45-14
d=21.26
w=3.63
-15.50%
205/50-14
d=22.07
w=4.04
-12.30%
205/55-14
d=22.88
w=4.44
-9.09%
205/60-14
d=23.69
w=4.84
-5.88%
205/65-14
d=24.49
w=5.25
-2.68%
205/70-14
d=25.30
w=5.65
+0.53%
205/75-14
d=26.11
w=6.05
+3.74%
205/80-14
d=26.91
w=6.46
+6.95%
205/85-14
d=27.72
w=6.86
+10.15%
Wheel Size 15
165
165/25-15
d=18.25
w=1.62
-27.49%
165/30-15
d=18.90
w=1.95
-24.91%
165/35-15
d=19.55
w=2.27
-22.32%
165/40-15
d=20.20
w=2.60
-19.74%
165/45-15
d=20.85
w=2.92
-17.16%
165/50-15
d=21.50
w=3.25
-14.58%
165/55-15
d=22.15
w=3.57
-12.00%
165/60-15
d=22.80
w=3.90
-9.42%
165/65-15
d=23.44
w=4.22
-6.84%
165/70-15
d=24.09
w=4.55
-4.26%
165/75-15
d=24.74
w=4.87
-1.67%
165/80-15
d=25.39
w=5.20
+0.91%
165/85-15
d=26.04
w=5.52
+3.49%
175
175/25-15
d=18.44
w=1.72
-26.71%
175/30-15
d=19.13
w=2.07
-23.97%
175/35-15
d=19.82
w=2.41
-21.23%
175/40-15
d=20.51
w=2.76
-18.49%
175/45-15
d=21.20
w=3.10
-15.75%
175/50-15
d=21.89
w=3.44
-13.02%
175/55-15
d=22.58
w=3.79
-10.28%
175/60-15
d=23.27
w=4.13
-7.54%
175/65-15
d=23.96
w=4.48
-4.80%
175/70-15
d=24.65
w=4.82
-2.07%
175/75-15
d=25.33
w=5.17
+0.67%
175/80-15
d=26.02
w=5.51
+3.41%
175/85-15
d=26.71
w=5.86
+6.15%
185
185/25-15
d=18.64
w=1.82
-25.92%
185/30-15
d=19.37
w=2.19
-23.03%
185/35-15
d=20.10
w=2.55
-20.13%
185/40-15
d=20.83
w=2.91
-17.24%
185/45-15
d=21.56
w=3.28
-14.35%
185/50-15
d=22.28
w=3.64
-11.45%
185/55-15
d=23.01
w=4.01
-8.56%
185/60-15
d=23.74
w=4.37
-5.66%
185/65-15
d=24.47
w=4.73
-2.77%
185/70-15
d=25.20
w=5.10
+0.13%
185/75-15
d=25.93
w=5.46
+3.02%
185/80-15
d=26.65
w=5.83
+5.91%
185/85-15
d=27.38
w=6.19
+8.81%
195
195/25-15
d=18.84
w=1.92
-25.14%
195/30-15
d=19.61
w=2.30
-22.09%
195/35-15
d=20.37
w=2.69
-19.04%
195/40-15
d=21.14
w=3.07
-15.99%
195/45-15
d=21.91
w=3.45
-12.94%
195/50-15
d=22.68
w=3.84
-9.89%
195/55-15
d=23.44
w=4.22
-6.84%
195/60-15
d=24.21
w=4.61
-3.79%
195/65-15
d=24.98
w=4.99
-0.74%
195/70-15
d=25.75
w=5.37
+2.32%
195/75-15
d=26.52
w=5.76
+5.37%
195/80-15
d=27.28
w=6.14
+8.42%
195/85-15
d=28.05
w=6.53
+11.47%
205
205/25-15
d=19.04
w=2.02
-24.36%
205/30-15
d=19.84
w=2.42
-21.15%
205/35-15
d=20.65
w=2.82
-17.94%
205/40-15
d=21.46
w=3.23
-14.74%
205/45-15
d=22.26
w=3.63
-11.53%
205/50-15
d=23.07
w=4.04
-8.32%
205/55-15
d=23.88
w=4.44
-5.12%
205/60-15
d=24.69
w=4.84
-1.91%
205/65-15
d=25.49
w=5.25
+1.30%
205/70-15
d=26.30
w=5.65
+4.51%
205/75-15
d=27.11
w=6.05
+7.71%
205/80-15
d=27.91
w=6.46
+10.92%
205/85-15
d=28.72
w=6.86
+14.13%
Wheel Size 16
Wheel Size 16.5
Wheel Size 17
Wheel Size 18
165
165/25-18
d=21.25
w=1.62
-15.57%
165/30-18
d=21.90
w=1.95
-12.98%
165/35-18
d=22.55
w=2.27
-10.40%
165/40-18
d=23.20
w=2.60
-7.82%
165/45-18
d=23.85
w=2.92
-5.24%
165/50-18
d=24.50
w=3.25
-2.66%
165/55-18
d=25.15
w=3.57
-0.08%
165/60-18
d=25.80
w=3.90
+2.50%
165/65-18
d=26.44
w=4.22
+5.08%
165/70-18
d=27.09
w=4.55
+7.67%
165/75-18
d=27.74
w=4.87
+10.25%
165/80-18
d=28.39
w=5.20
+12.83%
165/85-18
d=29.04
w=5.52
+15.41%
175
175/25-18
d=21.44
w=1.72
-14.78%
175/30-18
d=22.13
w=2.07
-12.05%
175/35-18
d=22.82
w=2.41
-9.31%
175/40-18
d=23.51
w=2.76
-6.57%
175/45-18
d=24.20
w=3.10
-3.83%
175/50-18
d=24.89
w=3.44
-1.10%
175/55-18
d=25.58
w=3.79
+1.64%
175/60-18
d=26.27
w=4.13
+4.38%
175/65-18
d=26.96
w=4.48
+7.12%
175/70-18
d=27.65
w=4.82
+9.86%
175/75-18
d=28.33
w=5.17
+12.59%
175/80-18
d=29.02
w=5.51
+15.33%
175/85-18
d=29.71
w=5.86
+18.07%
185
185/25-18
d=21.64
w=1.82
-14.00%
185/30-18
d=22.37
w=2.19
-11.11%
185/35-18
d=23.10
w=2.55
-8.21%
185/40-18
d=23.83
w=2.91
-5.32%
185/45-18
d=24.56
w=3.28
-2.42%
185/50-18
d=25.28
w=3.64
+0.47%
185/55-18
d=26.01
w=4.01
+3.36%
185/60-18
d=26.74
w=4.37
+6.26%
185/65-18
d=27.47
w=4.73
+9.15%
185/70-18
d=28.20
w=5.10
+12.05%
185/75-18
d=28.93
w=5.46
+14.94%
185/80-18
d=29.65
w=5.83
+17.83%
185/85-18
d=30.38
w=6.19
+20.73%
195
195/25-18
d=21.84
w=1.92
-13.22%
195/30-18
d=22.61
w=2.30
-10.17%
195/35-18
d=23.37
w=2.69
-7.12%
195/40-18
d=24.14
w=3.07
-4.07%
195/45-18
d=24.91
w=3.45
-1.02%
195/50-18
d=25.68
w=3.84
+2.03%
195/55-18
d=26.44
w=4.22
+5.08%
195/60-18
d=27.21
w=4.61
+8.14%
195/65-18
d=27.98
w=4.99
+11.19%
195/70-18
d=28.75
w=5.37
+14.24%
195/75-18
d=29.52
w=5.76
+17.29%
195/80-18
d=30.28
w=6.14
+20.34%
195/85-18
d=31.05
w=6.53
+23.39%
205
205/25-18
d=22.04
w=2.02
-12.44%
205/30-18
d=22.84
w=2.42
-9.23%
205/35-18
d=23.65
w=2.82
-6.02%
205/40-18
d=24.46
w=3.23
-2.82%
205/45-18
d=25.26
w=3.63
+0.39%
205/50-18
d=26.07
w=4.04
+3.60%
205/55-18
d=26.88
w=4.44
+6.81%
205/60-18
d=27.69
w=4.84
+10.01%
205/65-18
d=28.49
w=5.25
+13.22%
205/70-18
d=29.30
w=5.65
+16.43%
205/75-18
d=30.11
w=6.05
+19.63%
205/80-18
d=30.91
w=6.46
+22.84%
205/85-18
d=31.72
w=6.86
+26.05%
Wheel Size 19
Wheel Size 20
Wheel Size 21
165
165/25-21
d=24.25
w=1.62
-3.65%
165/30-21
d=24.90
w=1.95
-1.06%
165/35-21
d=25.55
w=2.27
+1.52%
165/40-21
d=26.20
w=2.60
+4.10%
165/45-21
d=26.85
w=2.92
+6.68%
165/50-21
d=27.50
w=3.25
+9.26%
165/55-21
d=28.15
w=3.57
+11.84%
165/60-21
d=28.80
w=3.90
+14.42%
165/65-21
d=29.44
w=4.22
+17.01%
165/70-21
d=30.09
w=4.55
+19.59%
165/75-21
d=30.74
w=4.87
+22.17%
165/80-21
d=31.39
w=5.20
+24.75%
165/85-21
d=32.04
w=5.52
+27.33%
175
175/25-21
d=24.44
w=1.72
-2.86%
175/30-21
d=25.13
w=2.07
-0.13%
175/35-21
d=25.82
w=2.41
+2.61%
175/40-21
d=26.51
w=2.76
+5.35%
175/45-21
d=27.20
w=3.10
+8.09%
175/50-21
d=27.89
w=3.44
+10.83%
175/55-21
d=28.58
w=3.79
+13.56%
175/60-21
d=29.27
w=4.13
+16.30%
175/65-21
d=29.96
w=4.48
+19.04%
175/70-21
d=30.65
w=4.82
+21.78%
175/75-21
d=31.33
w=5.17
+24.52%
175/80-21
d=32.02
w=5.51
+27.25%
175/85-21
d=32.71
w=5.86
+29.99%
185
185/25-21
d=24.64
w=1.82
-2.08%
185/30-21
d=25.37
w=2.19
+0.81%
185/35-21
d=26.10
w=2.55
+3.71%
185/40-21
d=26.83
w=2.91
+6.60%
185/45-21
d=27.56
w=3.28
+9.50%
185/50-21
d=28.28
w=3.64
+12.39%
185/55-21
d=29.01
w=4.01
+15.28%
185/60-21
d=29.74
w=4.37
+18.18%
185/65-21
d=30.47
w=4.73
+21.07%
185/70-21
d=31.20
w=5.10
+23.97%
185/75-21
d=31.93
w=5.46
+26.86%
185/80-21
d=32.65
w=5.83
+29.76%
185/85-21
d=33.38
w=6.19
+32.65%
195
195/25-21
d=24.84
w=1.92
-1.30%
195/30-21
d=25.61
w=2.30
+1.75%
195/35-21
d=26.37
w=2.69
+4.80%
195/40-21
d=27.14
w=3.07
+7.85%
195/45-21
d=27.91
w=3.45
+10.90%
195/50-21
d=28.68
w=3.84
+13.95%
195/55-21
d=29.44
w=4.22
+17.01%
195/60-21
d=30.21
w=4.61
+20.06%
195/65-21
d=30.98
w=4.99
+23.11%
195/70-21
d=31.75
w=5.37
+26.16%
195/75-21
d=32.52
w=5.76
+29.21%
195/80-21
d=33.28
w=6.14
+32.26%
195/85-21
d=34.05
w=6.53
+35.31%
205
205/25-21
d=25.04
w=2.02
-0.52%
205/30-21
d=25.84
w=2.42
+2.69%
205/35-21
d=26.65
w=2.82
+5.90%
205/40-21
d=27.46
w=3.23
+9.11%
205/45-21
d=28.26
w=3.63
+12.31%
205/50-21
d=29.07
w=4.04
+15.52%
205/55-21
d=29.88
w=4.44
+18.73%
205/60-21
d=30.69
w=4.84
+21.93%
205/65-21
d=31.49
w=5.25
+25.14%
205/70-21
d=32.30
w=5.65
+28.35%
205/75-21
d=33.11
w=6.05
+31.56%
205/80-21
d=33.91
w=6.46
+34.76%
205/85-21
d=34.72
w=6.86
+37.97%

Disclaimer:

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!