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Best Matches for 155/80-12 in 12", 21".

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Code Difference = 50mph 1000miles = Diameter Wall,in Wall,mm
155/80-12 0.00 % 50.00 1,000.00 21.76 4.88 124.00
275/45-12 -0.09 % 49.95 1,000.90 21.74 4.87 123.75
225/55-12 -0.09 % 49.95 1,000.90 21.74 4.87 123.75
165/75-12 -0.09 % 49.95 1,000.90 21.74 4.87 123.75
145/85-12 -0.27 % 49.86 1,002.71 21.70 4.85 123.25
205/60-12 -0.36 % 49.82 1,003.62 21.69 4.84 123.00
245/50-12 -0.54 % 49.73 1,005.43 21.65 4.82 122.50
175/70-12 -0.54 % 49.73 1,005.43 21.65 4.82 122.50
305/40-12 -0.72 % 49.64 1,007.24 21.61 4.80 122.00
315/40-12 +0.72 % 50.36 992.76 21.92 4.96 126.00
195/65-12 +0.99 % 50.50 990.05 21.98 4.99 126.75
255/50-12 +1.27 % 50.63 987.34 22.04 5.02 127.50
185/65-12 -1.36 % 49.32 1,013.57 21.47 4.73 120.25
285/45-12 +1.54 % 50.77 984.62 22.10 5.05 128.25
265/45-12 -1.72 % 49.14 1,017.19 21.39 4.69 119.25
215/60-12 +1.81 % 50.90 981.91 22.16 5.08 129.00
235/55-12 +1.90 % 50.95 981.01 22.18 5.09 129.25
185/70-12 +1.99 % 50.99 980.10 22.20 5.10 129.50
= 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
145
145/25-12
d=14.85
w=1.43
-31.75%
145/30-12
d=15.43
w=1.71
-29.12%
145/35-12
d=16.00
w=2.00
-26.50%
145/40-12
d=16.57
w=2.28
-23.88%
145/45-12
d=17.14
w=2.57
-21.26%
145/50-12
d=17.71
w=2.85
-18.63%
145/55-12
d=18.28
w=3.14
-16.01%
145/60-12
d=18.85
w=3.43
-13.39%
145/65-12
d=19.42
w=3.71
-10.76%
145/70-12
d=19.99
w=4.00
-8.14%
145/75-12
d=20.56
w=4.28
-5.52%
145/80-12
d=21.13
w=4.57
-2.89%
145/85-12
d=21.70
w=4.85
-0.27%
155
155/25-12
d=15.05
w=1.53
-30.84%
155/30-12
d=15.66
w=1.83
-28.04%
155/35-12
d=16.27
w=2.14
-25.24%
155/40-12
d=16.88
w=2.44
-22.43%
155/45-12
d=17.49
w=2.75
-19.63%
155/50-12
d=18.10
w=3.05
-16.82%
155/55-12
d=18.71
w=3.36
-14.02%
155/60-12
d=19.32
w=3.66
-11.22%
155/65-12
d=19.93
w=3.97
-8.41%
155/70-12
d=20.54
w=4.27
-5.61%
155/75-12
d=21.15
w=4.58
-2.80%
155/80-12
d=21.76
w=4.88
0.00%
155/85-12
d=22.37
w=5.19
+2.80%
165
165/25-12
d=15.25
w=1.62
-29.94%
165/30-12
d=15.90
w=1.95
-26.95%
165/35-12
d=16.55
w=2.27
-23.97%
165/40-12
d=17.20
w=2.60
-20.98%
165/45-12
d=17.85
w=2.92
-18.00%
165/50-12
d=18.50
w=3.25
-15.01%
165/55-12
d=19.15
w=3.57
-12.03%
165/60-12
d=19.80
w=3.90
-9.04%
165/65-12
d=20.44
w=4.22
-6.06%
165/70-12
d=21.09
w=4.55
-3.08%
165/75-12
d=21.74
w=4.87
-0.09%
165/80-12
d=22.39
w=5.20
+2.89%
165/85-12
d=23.04
w=5.52
+5.88%
175
175/25-12
d=15.44
w=1.72
-29.03%
175/30-12
d=16.13
w=2.07
-25.87%
175/35-12
d=16.82
w=2.41
-22.70%
175/40-12
d=17.51
w=2.76
-19.54%
175/45-12
d=18.20
w=3.10
-16.37%
175/50-12
d=18.89
w=3.44
-13.21%
175/55-12
d=19.58
w=3.79
-10.04%
175/60-12
d=20.27
w=4.13
-6.87%
175/65-12
d=20.96
w=4.48
-3.71%
175/70-12
d=21.65
w=4.82
-0.54%
175/75-12
d=22.33
w=5.17
+2.62%
175/80-12
d=23.02
w=5.51
+5.79%
175/85-12
d=23.71
w=5.86
+8.95%
185
185/25-12
d=15.64
w=1.82
-28.13%
185/30-12
d=16.37
w=2.19
-24.78%
185/35-12
d=17.10
w=2.55
-21.44%
185/40-12
d=17.83
w=2.91
-18.09%
185/45-12
d=18.56
w=3.28
-14.74%
185/50-12
d=19.28
w=3.64
-11.40%
185/55-12
d=20.01
w=4.01
-8.05%
185/60-12
d=20.74
w=4.37
-4.70%
185/65-12
d=21.47
w=4.73
-1.36%
185/70-12
d=22.20
w=5.10
+1.99%
185/75-12
d=22.93
w=5.46
+5.34%
185/80-12
d=23.65
w=5.83
+8.68%
185/85-12
d=24.38
w=6.19
+12.03%
195
195/25-12
d=15.84
w=1.92
-27.23%
195/30-12
d=16.61
w=2.30
-23.70%
195/35-12
d=17.37
w=2.69
-20.17%
195/40-12
d=18.14
w=3.07
-16.64%
195/45-12
d=18.91
w=3.45
-13.12%
195/50-12
d=19.68
w=3.84
-9.59%
195/55-12
d=20.44
w=4.22
-6.06%
195/60-12
d=21.21
w=4.61
-2.53%
195/65-12
d=21.98
w=4.99
+0.99%
195/70-12
d=22.75
w=5.37
+4.52%
195/75-12
d=23.52
w=5.76
+8.05%
195/80-12
d=24.28
w=6.14
+11.58%
195/85-12
d=25.05
w=6.53
+15.10%
205
205/25-12
d=16.04
w=2.02
-26.32%
205/30-12
d=16.84
w=2.42
-22.61%
205/35-12
d=17.65
w=2.82
-18.90%
205/40-12
d=18.46
w=3.23
-15.20%
205/45-12
d=19.26
w=3.63
-11.49%
205/50-12
d=20.07
w=4.04
-7.78%
205/55-12
d=20.88
w=4.44
-4.07%
205/60-12
d=21.69
w=4.84
-0.36%
205/65-12
d=22.49
w=5.25
+3.35%
205/70-12
d=23.30
w=5.65
+7.05%
205/75-12
d=24.11
w=6.05
+10.76%
205/80-12
d=24.91
w=6.46
+14.47%
205/85-12
d=25.72
w=6.86
+18.18%
215
215/25-12
d=16.23
w=2.12
-25.42%
215/30-12
d=17.08
w=2.54
-21.53%
215/35-12
d=17.93
w=2.96
-17.64%
215/40-12
d=18.77
w=3.39
-13.75%
215/45-12
d=19.62
w=3.81
-9.86%
215/50-12
d=20.46
w=4.23
-5.97%
215/55-12
d=21.31
w=4.66
-2.08%
215/60-12
d=22.16
w=5.08
+1.81%
215/65-12
d=23.00
w=5.50
+5.70%
215/70-12
d=23.85
w=5.93
+9.59%
215/75-12
d=24.70
w=6.35
+13.48%
215/80-12
d=25.54
w=6.77
+17.37%
215/85-12
d=26.39
w=7.19
+21.26%
225
225/25-12
d=16.43
w=2.21
-24.51%
225/30-12
d=17.31
w=2.66
-20.44%
225/35-12
d=18.20
w=3.10
-16.37%
225/40-12
d=19.09
w=3.54
-12.30%
225/45-12
d=19.97
w=3.99
-8.23%
225/50-12
d=20.86
w=4.43
-4.16%
225/55-12
d=21.74
w=4.87
-0.09%
225/60-12
d=22.63
w=5.31
+3.98%
225/65-12
d=23.52
w=5.76
+8.05%
225/70-12
d=24.40
w=6.20
+12.12%
225/75-12
d=25.29
w=6.64
+16.19%
225/80-12
d=26.17
w=7.09
+20.26%
225/85-12
d=27.06
w=7.53
+24.33%
235
235/25-12
d=16.63
w=2.31
-23.61%
235/30-12
d=17.55
w=2.78
-19.36%
235/35-12
d=18.48
w=3.24
-15.10%
235/40-12
d=19.40
w=3.70
-10.85%
235/45-12
d=20.33
w=4.16
-6.60%
235/50-12
d=21.25
w=4.63
-2.35%
235/55-12
d=22.18
w=5.09
+1.90%
235/60-12
d=23.10
w=5.55
+6.15%
235/65-12
d=24.03
w=6.01
+10.40%
235/70-12
d=24.95
w=6.48
+14.65%
235/75-12
d=25.88
w=6.94
+18.90%
235/80-12
d=26.80
w=7.40
+23.15%
235/85-12
d=27.73
w=7.86
+27.41%
245
245/25-12
d=16.82
w=2.41
-22.70%
245/30-12
d=17.79
w=2.89
-18.27%
245/35-12
d=18.75
w=3.38
-13.84%
245/40-12
d=19.72
w=3.86
-9.41%
245/45-12
d=20.68
w=4.34
-4.97%
245/50-12
d=21.65
w=4.82
-0.54%
245/55-12
d=22.61
w=5.31
+3.89%
245/60-12
d=23.57
w=5.79
+8.32%
245/65-12
d=24.54
w=6.27
+12.75%
245/70-12
d=25.50
w=6.75
+17.19%
245/75-12
d=26.47
w=7.23
+21.62%
245/80-12
d=27.43
w=7.72
+26.05%
245/85-12
d=28.40
w=8.20
+30.48%
255
255/25-12
d=17.02
w=2.51
-21.80%
255/30-12
d=18.02
w=3.01
-17.19%
255/35-12
d=19.03
w=3.51
-12.57%
255/40-12
d=20.03
w=4.02
-7.96%
255/45-12
d=21.04
w=4.52
-3.35%
255/50-12
d=22.04
w=5.02
+1.27%
255/55-12
d=23.04
w=5.52
+5.88%
255/60-12
d=24.05
w=6.02
+10.49%
255/65-12
d=25.05
w=6.53
+15.10%
255/70-12
d=26.06
w=7.03
+19.72%
255/75-12
d=27.06
w=7.53
+24.33%
255/80-12
d=28.06
w=8.03
+28.94%
255/85-12
d=29.07
w=8.53
+33.56%
265
265/25-12
d=17.22
w=2.61
-20.89%
265/30-12
d=18.26
w=3.13
-16.10%
265/35-12
d=19.30
w=3.65
-11.31%
265/40-12
d=20.35
w=4.17
-6.51%
265/45-12
d=21.39
w=4.69
-1.72%
265/50-12
d=22.43
w=5.22
+3.08%
265/55-12
d=23.48
w=5.74
+7.87%
265/60-12
d=24.52
w=6.26
+12.66%
265/65-12
d=25.56
w=6.78
+17.46%
265/70-12
d=26.61
w=7.30
+22.25%
265/75-12
d=27.65
w=7.82
+27.04%
265/80-12
d=28.69
w=8.35
+31.84%
265/85-12
d=29.74
w=8.87
+36.63%
275
275/25-12
d=17.41
w=2.71
-19.99%
275/30-12
d=18.50
w=3.25
-15.01%
275/35-12
d=19.58
w=3.79
-10.04%
275/40-12
d=20.66
w=4.33
-5.07%
275/45-12
d=21.74
w=4.87
-0.09%
275/50-12
d=22.83
w=5.41
+4.88%
275/55-12
d=23.91
w=5.95
+9.86%
275/60-12
d=24.99
w=6.50
+14.83%
275/65-12
d=26.07
w=7.04
+19.81%
275/70-12
d=27.16
w=7.58
+24.78%
275/75-12
d=28.24
w=8.12
+29.76%
275/80-12
d=29.32
w=8.66
+34.73%
275/85-12
d=30.41
w=9.20
+39.71%
285
285/25-12
d=17.61
w=2.81
-19.08%
285/30-12
d=18.73
w=3.37
-13.93%
285/35-12
d=19.85
w=3.93
-8.77%
285/40-12
d=20.98
w=4.49
-3.62%
285/45-12
d=22.10
w=5.05
+1.54%
285/50-12
d=23.22
w=5.61
+6.69%
285/55-12
d=24.34
w=6.17
+11.85%
285/60-12
d=25.46
w=6.73
+17.00%
285/65-12
d=26.59
w=7.29
+22.16%
285/70-12
d=27.71
w=7.85
+27.32%
285/75-12
d=28.83
w=8.42
+32.47%
285/80-12
d=29.95
w=8.98
+37.63%
285/85-12
d=31.07
w=9.54
+42.78%
295
295/25-12
d=17.81
w=2.90
-18.18%
295/30-12
d=18.97
w=3.48
-12.84%
295/35-12
d=20.13
w=4.06
-7.51%
295/40-12
d=21.29
w=4.65
-2.17%
295/45-12
d=22.45
w=5.23
+3.17%
295/50-12
d=23.61
w=5.81
+8.50%
295/55-12
d=24.78
w=6.39
+13.84%
295/60-12
d=25.94
w=6.97
+19.18%
295/65-12
d=27.10
w=7.55
+24.51%
295/70-12
d=28.26
w=8.13
+29.85%
295/75-12
d=29.42
w=8.71
+35.18%
295/80-12
d=30.58
w=9.29
+40.52%
295/85-12
d=31.74
w=9.87
+45.86%
305
305/25-12
d=18.00
w=3.00
-17.28%
305/30-12
d=19.20
w=3.60
-11.76%
305/35-12
d=20.41
w=4.20
-6.24%
305/40-12
d=21.61
w=4.80
-0.72%
305/45-12
d=22.81
w=5.40
+4.79%
305/50-12
d=24.01
w=6.00
+10.31%
305/55-12
d=25.21
w=6.60
+15.83%
305/60-12
d=26.41
w=7.20
+21.35%
305/65-12
d=27.61
w=7.81
+26.86%
305/70-12
d=28.81
w=8.41
+32.38%
305/75-12
d=30.01
w=9.01
+37.90%
305/80-12
d=31.21
w=9.61
+43.42%
305/85-12
d=32.41
w=10.21
+48.93%
315
315/25-12
d=18.20
w=3.10
-16.37%
315/30-12
d=19.44
w=3.72
-10.67%
315/35-12
d=20.68
w=4.34
-4.97%
315/40-12
d=21.92
w=4.96
+0.72%
315/45-12
d=23.16
w=5.58
+6.42%
315/50-12
d=24.40
w=6.20
+12.12%
315/55-12
d=25.64
w=6.82
+17.82%
315/60-12
d=26.88
w=7.44
+23.52%
315/65-12
d=28.12
w=8.06
+29.21%
315/70-12
d=29.36
w=8.68
+34.91%
315/75-12
d=30.60
w=9.30
+40.61%
315/80-12
d=31.84
w=9.92
+46.31%
315/85-12
d=33.08
w=10.54
+52.01%
325
325/25-12
d=18.40
w=3.20
-15.47%
325/30-12
d=19.68
w=3.84
-9.59%
325/35-12
d=20.96
w=4.48
-3.71%
325/40-12
d=22.24
w=5.12
+2.17%
325/45-12
d=23.52
w=5.76
+8.05%
325/50-12
d=24.80
w=6.40
+13.93%
325/55-12
d=26.07
w=7.04
+19.81%
325/60-12
d=27.35
w=7.68
+25.69%
325/65-12
d=28.63
w=8.32
+31.57%
325/70-12
d=29.91
w=8.96
+37.45%
325/75-12
d=31.19
w=9.60
+43.32%
325/80-12
d=32.47
w=10.24
+49.20%
325/85-12
d=33.75
w=10.88
+55.08%
335
335/25-12
d=18.59
w=3.30
-14.56%
335/30-12
d=19.91
w=3.96
-8.50%
335/35-12
d=21.23
w=4.62
-2.44%
335/40-12
d=22.55
w=5.28
+3.62%
335/45-12
d=23.87
w=5.94
+9.68%
335/50-12
d=25.19
w=6.59
+15.74%
335/55-12
d=26.51
w=7.25
+21.80%
335/60-12
d=27.83
w=7.91
+27.86%
335/65-12
d=29.15
w=8.57
+33.92%
335/70-12
d=30.46
w=9.23
+39.98%
335/75-12
d=31.78
w=9.89
+46.04%
335/80-12
d=33.10
w=10.55
+52.10%
335/85-12
d=34.42
w=11.21
+58.16%
Wheel Size 13
Wheel Size 14
Wheel Size 15
Wheel Size 16
Wheel Size 16.5
Wheel Size 17
Wheel Size 18
Wheel Size 19
Wheel Size 20
Wheel Size 21
145
145/25-21
d=23.85
w=1.43
+9.61%
145/30-21
d=24.43
w=1.71
+12.23%
145/35-21
d=25.00
w=2.00
+14.85%
145/40-21
d=25.57
w=2.28
+17.47%
145/45-21
d=26.14
w=2.57
+20.10%
145/50-21
d=26.71
w=2.85
+22.72%
145/55-21
d=27.28
w=3.14
+25.34%
145/60-21
d=27.85
w=3.43
+27.97%
145/65-21
d=28.42
w=3.71
+30.59%
145/70-21
d=28.99
w=4.00
+33.21%
145/75-21
d=29.56
w=4.28
+35.84%
145/80-21
d=30.13
w=4.57
+38.46%
145/85-21
d=30.70
w=4.85
+41.08%
155
155/25-21
d=24.05
w=1.53
+10.51%
155/30-21
d=24.66
w=1.83
+13.31%
155/35-21
d=25.27
w=2.14
+16.12%
155/40-21
d=25.88
w=2.44
+18.92%
155/45-21
d=26.49
w=2.75
+21.73%
155/50-21
d=27.10
w=3.05
+24.53%
155/55-21
d=27.71
w=3.36
+27.33%
155/60-21
d=28.32
w=3.66
+30.14%
155/65-21
d=28.93
w=3.97
+32.94%
155/70-21
d=29.54
w=4.27
+35.75%
155/75-21
d=30.15
w=4.58
+38.55%
155/80-21
d=30.76
w=4.88
+41.35%
155/85-21
d=31.37
w=5.19
+44.16%
165
165/25-21
d=24.25
w=1.62
+11.41%
165/30-21
d=24.90
w=1.95
+14.40%
165/35-21
d=25.55
w=2.27
+17.38%
165/40-21
d=26.20
w=2.60
+20.37%
165/45-21
d=26.85
w=2.92
+23.35%
165/50-21
d=27.50
w=3.25
+26.34%
165/55-21
d=28.15
w=3.57
+29.32%
165/60-21
d=28.80
w=3.90
+32.31%
165/65-21
d=29.44
w=4.22
+35.29%
165/70-21
d=30.09
w=4.55
+38.28%
165/75-21
d=30.74
w=4.87
+41.26%
165/80-21
d=31.39
w=5.20
+44.25%
165/85-21
d=32.04
w=5.52
+47.23%
175
175/25-21
d=24.44
w=1.72
+12.32%
175/30-21
d=25.13
w=2.07
+15.48%
175/35-21
d=25.82
w=2.41
+18.65%
175/40-21
d=26.51
w=2.76
+21.82%
175/45-21
d=27.20
w=3.10
+24.98%
175/50-21
d=27.89
w=3.44
+28.15%
175/55-21
d=28.58
w=3.79
+31.31%
175/60-21
d=29.27
w=4.13
+34.48%
175/65-21
d=29.96
w=4.48
+37.64%
175/70-21
d=30.65
w=4.82
+40.81%
175/75-21
d=31.33
w=5.17
+43.98%
175/80-21
d=32.02
w=5.51
+47.14%
175/85-21
d=32.71
w=5.86
+50.31%
185
185/25-21
d=24.64
w=1.82
+13.22%
185/30-21
d=25.37
w=2.19
+16.57%
185/35-21
d=26.10
w=2.55
+19.92%
185/40-21
d=26.83
w=2.91
+23.26%
185/45-21
d=27.56
w=3.28
+26.61%
185/50-21
d=28.28
w=3.64
+29.96%
185/55-21
d=29.01
w=4.01
+33.30%
185/60-21
d=29.74
w=4.37
+36.65%
185/65-21
d=30.47
w=4.73
+40.00%
185/70-21
d=31.20
w=5.10
+43.34%
185/75-21
d=31.93
w=5.46
+46.69%
185/80-21
d=32.65
w=5.83
+50.04%
185/85-21
d=33.38
w=6.19
+53.38%
195
195/25-21
d=24.84
w=1.92
+14.13%
195/30-21
d=25.61
w=2.30
+17.66%
195/35-21
d=26.37
w=2.69
+21.18%
195/40-21
d=27.14
w=3.07
+24.71%
195/45-21
d=27.91
w=3.45
+28.24%
195/50-21
d=28.68
w=3.84
+31.77%
195/55-21
d=29.44
w=4.22
+35.29%
195/60-21
d=30.21
w=4.61
+38.82%
195/65-21
d=30.98
w=4.99
+42.35%
195/70-21
d=31.75
w=5.37
+45.88%
195/75-21
d=32.52
w=5.76
+49.40%
195/80-21
d=33.28
w=6.14
+52.93%
195/85-21
d=34.05
w=6.53
+56.46%
205
205/25-21
d=25.04
w=2.02
+15.03%
205/30-21
d=25.84
w=2.42
+18.74%
205/35-21
d=26.65
w=2.82
+22.45%
205/40-21
d=27.46
w=3.23
+26.16%
205/45-21
d=28.26
w=3.63
+29.87%
205/50-21
d=29.07
w=4.04
+33.57%
205/55-21
d=29.88
w=4.44
+37.28%
205/60-21
d=30.69
w=4.84
+40.99%
205/65-21
d=31.49
w=5.25
+44.70%
205/70-21
d=32.30
w=5.65
+48.41%
205/75-21
d=33.11
w=6.05
+52.12%
205/80-21
d=33.91
w=6.46
+55.82%
205/85-21
d=34.72
w=6.86
+59.53%
215
215/25-21
d=25.23
w=2.12
+15.94%
215/30-21
d=26.08
w=2.54
+19.83%
215/35-21
d=26.93
w=2.96
+23.72%
215/40-21
d=27.77
w=3.39
+27.60%
215/45-21
d=28.62
w=3.81
+31.49%
215/50-21
d=29.46
w=4.23
+35.38%
215/55-21
d=30.31
w=4.66
+39.27%
215/60-21
d=31.16
w=5.08
+43.16%
215/65-21
d=32.00
w=5.50
+47.05%
215/70-21
d=32.85
w=5.93
+50.94%
215/75-21
d=33.70
w=6.35
+54.83%
215/80-21
d=34.54
w=6.77
+58.72%
215/85-21
d=35.39
w=7.19
+62.61%
225
225/25-21
d=25.43
w=2.21
+16.84%
225/30-21
d=26.31
w=2.66
+20.91%
225/35-21
d=27.20
w=3.10
+24.98%
225/40-21
d=28.09
w=3.54
+29.05%
225/45-21
d=28.97
w=3.99
+33.12%
225/50-21
d=29.86
w=4.43
+37.19%
225/55-21
d=30.74
w=4.87
+41.26%
225/60-21
d=31.63
w=5.31
+45.33%
225/65-21
d=32.52
w=5.76
+49.40%
225/70-21
d=33.40
w=6.20
+53.47%
225/75-21
d=34.29
w=6.64
+57.54%
225/80-21
d=35.17
w=7.09
+61.61%
225/85-21
d=36.06
w=7.53
+65.68%
235
235/25-21
d=25.63
w=2.31
+17.75%
235/30-21
d=26.55
w=2.78
+22.00%
235/35-21
d=27.48
w=3.24
+26.25%
235/40-21
d=28.40
w=3.70
+30.50%
235/45-21
d=29.33
w=4.16
+34.75%
235/50-21
d=30.25
w=4.63
+39.00%
235/55-21
d=31.18
w=5.09
+43.25%
235/60-21
d=32.10
w=5.55
+47.50%
235/65-21
d=33.03
w=6.01
+51.75%
235/70-21
d=33.95
w=6.48
+56.01%
235/75-21
d=34.88
w=6.94
+60.26%
235/80-21
d=35.80
w=7.40
+64.51%
235/85-21
d=36.73
w=7.86
+68.76%
245
245/25-21
d=25.82
w=2.41
+18.65%
245/30-21
d=26.79
w=2.89
+23.08%
245/35-21
d=27.75
w=3.38
+27.51%
245/40-21
d=28.72
w=3.86
+31.95%
245/45-21
d=29.68
w=4.34
+36.38%
245/50-21
d=30.65
w=4.82
+40.81%
245/55-21
d=31.61
w=5.31
+45.24%
245/60-21
d=32.57
w=5.79
+49.67%
245/65-21
d=33.54
w=6.27
+54.11%
245/70-21
d=34.50
w=6.75
+58.54%
245/75-21
d=35.47
w=7.23
+62.97%
245/80-21
d=36.43
w=7.72
+67.40%
245/85-21
d=37.40
w=8.20
+71.83%
255
255/25-21
d=26.02
w=2.51
+19.55%
255/30-21
d=27.02
w=3.01
+24.17%
255/35-21
d=28.03
w=3.51
+28.78%
255/40-21
d=29.03
w=4.02
+33.39%
255/45-21
d=30.04
w=4.52
+38.01%
255/50-21
d=31.04
w=5.02
+42.62%
255/55-21
d=32.04
w=5.52
+47.23%
255/60-21
d=33.05
w=6.02
+51.85%
255/65-21
d=34.05
w=6.53
+56.46%
255/70-21
d=35.06
w=7.03
+61.07%
255/75-21
d=36.06
w=7.53
+65.68%
255/80-21
d=37.06
w=8.03
+70.30%
255/85-21
d=38.07
w=8.53
+74.91%
265
265/25-21
d=26.22
w=2.61
+20.46%
265/30-21
d=27.26
w=3.13
+25.25%
265/35-21
d=28.30
w=3.65
+30.05%
265/40-21
d=29.35
w=4.17
+34.84%
265/45-21
d=30.39
w=4.69
+39.63%
265/50-21
d=31.43
w=5.22
+44.43%
265/55-21
d=32.48
w=5.74
+49.22%
265/60-21
d=33.52
w=6.26
+54.02%
265/65-21
d=34.56
w=6.78
+58.81%
265/70-21
d=35.61
w=7.30
+63.60%
265/75-21
d=36.65
w=7.82
+68.40%
265/80-21
d=37.69
w=8.35
+73.19%
265/85-21
d=38.74
w=8.87
+77.98%
275
275/25-21
d=26.41
w=2.71
+21.36%
275/30-21
d=27.50
w=3.25
+26.34%
275/35-21
d=28.58
w=3.79
+31.31%
275/40-21
d=29.66
w=4.33
+36.29%
275/45-21
d=30.74
w=4.87
+41.26%
275/50-21
d=31.83
w=5.41
+46.24%
275/55-21
d=32.91
w=5.95
+51.21%
275/60-21
d=33.99
w=6.50
+56.19%
275/65-21
d=35.07
w=7.04
+61.16%
275/70-21
d=36.16
w=7.58
+66.14%
275/75-21
d=37.24
w=8.12
+71.11%
275/80-21
d=38.32
w=8.66
+76.09%
275/85-21
d=39.41
w=9.20
+81.06%
285
285/25-21
d=26.61
w=2.81
+22.27%
285/30-21
d=27.73
w=3.37
+27.42%
285/35-21
d=28.85
w=3.93
+32.58%
285/40-21
d=29.98
w=4.49
+37.74%
285/45-21
d=31.10
w=5.05
+42.89%
285/50-21
d=32.22
w=5.61
+48.05%
285/55-21
d=33.34
w=6.17
+53.20%
285/60-21
d=34.46
w=6.73
+58.36%
285/65-21
d=35.59
w=7.29
+63.51%
285/70-21
d=36.71
w=7.85
+68.67%
285/75-21
d=37.83
w=8.42
+73.82%
285/80-21
d=38.95
w=8.98
+78.98%
285/85-21
d=40.07
w=9.54
+84.14%
295
295/25-21
d=26.81
w=2.90
+23.17%
295/30-21
d=27.97
w=3.48
+28.51%
295/35-21
d=29.13
w=4.06
+33.85%
295/40-21
d=30.29
w=4.65
+39.18%
295/45-21
d=31.45
w=5.23
+44.52%
295/50-21
d=32.61
w=5.81
+49.86%
295/55-21
d=33.78
w=6.39
+55.19%
295/60-21
d=34.94
w=6.97
+60.53%
295/65-21
d=36.10
w=7.55
+65.86%
295/70-21
d=37.26
w=8.13
+71.20%
295/75-21
d=38.42
w=8.71
+76.54%
295/80-21
d=39.58
w=9.29
+81.87%
295/85-21
d=40.74
w=9.87
+87.21%
305
305/25-21
d=27.00
w=3.00
+24.08%
305/30-21
d=28.20
w=3.60
+29.59%
305/35-21
d=29.41
w=4.20
+35.11%
305/40-21
d=30.61
w=4.80
+40.63%
305/45-21
d=31.81
w=5.40
+46.15%
305/50-21
d=33.01
w=6.00
+51.66%
305/55-21
d=34.21
w=6.60
+57.18%
305/60-21
d=35.41
w=7.20
+62.70%
305/65-21
d=36.61
w=7.81
+68.22%
305/70-21
d=37.81
w=8.41
+73.73%
305/75-21
d=39.01
w=9.01
+79.25%
305/80-21
d=40.21
w=9.61
+84.77%
305/85-21
d=41.41
w=10.21
+90.29%
315
315/25-21
d=27.20
w=3.10
+24.98%
315/30-21
d=28.44
w=3.72
+30.68%
315/35-21
d=29.68
w=4.34
+36.38%
315/40-21
d=30.92
w=4.96
+42.08%
315/45-21
d=32.16
w=5.58
+47.77%
315/50-21
d=33.40
w=6.20
+53.47%
315/55-21
d=34.64
w=6.82
+59.17%
315/60-21
d=35.88
w=7.44
+64.87%
315/65-21
d=37.12
w=8.06
+70.57%
315/70-21
d=38.36
w=8.68
+76.27%
315/75-21
d=39.60
w=9.30
+81.96%
315/80-21
d=40.84
w=9.92
+87.66%
315/85-21
d=42.08
w=10.54
+93.36%
325
325/25-21
d=27.40
w=3.20
+25.89%
325/30-21
d=28.68
w=3.84
+31.77%
325/35-21
d=29.96
w=4.48
+37.64%
325/40-21
d=31.24
w=5.12
+43.52%
325/45-21
d=32.52
w=5.76
+49.40%
325/50-21
d=33.80
w=6.40
+55.28%
325/55-21
d=35.07
w=7.04
+61.16%
325/60-21
d=36.35
w=7.68
+67.04%
325/65-21
d=37.63
w=8.32
+72.92%
325/70-21
d=38.91
w=8.96
+78.80%
325/75-21
d=40.19
w=9.60
+84.68%
325/80-21
d=41.47
w=10.24
+90.56%
325/85-21
d=42.75
w=10.88
+96.44%
335
335/25-21
d=27.59
w=3.30
+26.79%
335/30-21
d=28.91
w=3.96
+32.85%
335/35-21
d=30.23
w=4.62
+38.91%
335/40-21
d=31.55
w=5.28
+44.97%
335/45-21
d=32.87
w=5.94
+51.03%
335/50-21
d=34.19
w=6.59
+57.09%
335/55-21
d=35.51
w=7.25
+63.15%
335/60-21
d=36.83
w=7.91
+69.21%
335/65-21
d=38.15
w=8.57
+75.27%
335/70-21
d=39.46
w=9.23
+81.33%
335/75-21
d=40.78
w=9.89
+87.39%
335/80-21
d=42.10
w=10.55
+93.45%
335/85-21
d=43.42
w=11.21
+99.51%

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!