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Best Matches for 285/60-18 in 18", 21".

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Code Difference = 50mph 1000miles = Diameter Wall,in Wall,mm
285/60-18 0.00 % 50.00 1,000.00 31.46 6.73 171.00
295/45-21 -0.04 % 49.98 1,000.38 31.45 5.23 132.75
205/65-21 +0.09 % 50.04 999.12 31.49 5.25 133.25
265/50-21 -0.10 % 49.95 1,001.00 31.43 5.22 132.50
245/70-18 +0.13 % 50.06 998.75 31.50 6.75 171.50
165/80-21 -0.23 % 49.89 1,002.25 31.39 5.20 132.00
215/80-18 +0.25 % 50.13 997.50 31.54 6.77 172.00
335/40-21 +0.28 % 50.14 997.25 31.55 5.28 134.00
155/85-21 -0.29 % 49.86 1,002.88 31.37 5.19 131.75
265/65-18 +0.31 % 50.16 996.87 31.56 6.78 172.25
175/75-21 -0.41 % 49.79 1,004.13 31.33 5.17 131.25
245/55-21 +0.46 % 50.23 995.37 31.61 5.31 134.75
225/60-21 +0.53 % 50.26 994.74 31.63 5.31 135.00
315/55-18 +0.56 % 50.28 994.37 31.64 6.82 173.25
225/75-18 -0.56 % 49.72 1,005.63 31.29 6.64 168.75
325/40-21 -0.73 % 49.64 1,007.26 31.24 5.12 130.00
305/55-18 -0.81 % 49.59 1,008.13 31.21 6.60 167.75
205/85-18 +0.81 % 50.41 991.87 31.72 6.86 174.25
185/70-21 -0.85 % 49.57 1,008.51 31.20 5.10 129.50
335/50-18 -0.88 % 49.56 1,008.76 31.19 6.59 167.50
195/70-21 +0.90 % 50.45 990.99 31.75 5.37 136.50
235/55-21 -0.91 % 49.54 1,009.13 31.18 5.09 129.25
215/60-21 -0.98 % 49.51 1,009.76 31.16 5.08 129.00
305/45-21 +1.09 % 50.54 989.11 31.81 5.40 137.25
275/50-21 +1.15 % 50.58 988.49 31.83 5.41 137.50
285/45-21 -1.16 % 49.42 1,011.64 31.10 5.05 128.25
255/65-18 -1.31 % 49.34 1,013.14 31.05 6.53 165.75
235/75-18 +1.31 % 50.66 986.86 31.88 6.94 176.25
195/85-18 -1.31 % 49.34 1,013.14 31.05 6.53 165.75
255/50-21 -1.35 % 49.32 1,013.51 31.04 5.02 127.50
185/75-21 +1.46 % 50.73 985.36 31.93 5.46 138.75
275/60-18 -1.50 % 49.25 1,015.02 30.99 6.50 165.00
295/60-18 +1.50 % 50.75 984.98 31.94 6.97 177.00
195/65-21 -1.54 % 49.23 1,015.39 30.98 4.99 126.75
235/70-18 -1.63 % 49.19 1,016.27 30.95 6.48 164.50
215/65-21 +1.71 % 50.86 982.86 32.00 5.50 139.75
315/40-21 -1.73 % 49.14 1,017.27 30.92 4.96 126.00
205/80-18 -1.75 % 49.12 1,017.52 30.91 6.46 164.00
175/80-21 +1.78 % 50.89 982.23 32.02 5.51 140.00
255/55-21 +1.84 % 50.92 981.61 32.04 5.52 140.25
165/85-21 +1.84 % 50.92 981.61 32.04 5.52 140.25
255/70-18 +1.88 % 50.94 981.23 32.06 7.03 178.50
325/55-18 +1.94 % 50.97 980.61 32.07 7.04 178.75
275/65-18 +1.94 % 50.97 980.61 32.07 7.04 178.75
= 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
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Wheel Size 17
 
Wheel Size 18
145
145/25-18
d=20.85
w=1.43
-33.72%
145/30-18
d=21.43
w=1.71
-31.91%
145/35-18
d=22.00
w=2.00
-30.09%
145/40-18
d=22.57
w=2.28
-28.28%
145/45-18
d=23.14
w=2.57
-26.46%
145/50-18
d=23.71
w=2.85
-24.65%
145/55-18
d=24.28
w=3.14
-22.84%
145/60-18
d=24.85
w=3.43
-21.02%
145/65-18
d=25.42
w=3.71
-19.21%
145/70-18
d=25.99
w=4.00
-17.39%
145/75-18
d=26.56
w=4.28
-15.58%
145/80-18
d=27.13
w=4.57
-13.76%
145/85-18
d=27.70
w=4.85
-11.95%
155
155/25-18
d=21.05
w=1.53
-33.10%
155/30-18
d=21.66
w=1.83
-31.16%
155/35-18
d=22.27
w=2.14
-29.22%
155/40-18
d=22.88
w=2.44
-27.28%
155/45-18
d=23.49
w=2.75
-25.34%
155/50-18
d=24.10
w=3.05
-23.40%
155/55-18
d=24.71
w=3.36
-21.46%
155/60-18
d=25.32
w=3.66
-19.52%
155/65-18
d=25.93
w=3.97
-17.58%
155/70-18
d=26.54
w=4.27
-15.64%
155/75-18
d=27.15
w=4.58
-13.70%
155/80-18
d=27.76
w=4.88
-11.76%
155/85-18
d=28.37
w=5.19
-9.82%
165
165/25-18
d=21.25
w=1.62
-32.47%
165/30-18
d=21.90
w=1.95
-30.41%
165/35-18
d=22.55
w=2.27
-28.34%
165/40-18
d=23.20
w=2.60
-26.28%
165/45-18
d=23.85
w=2.92
-24.21%
165/50-18
d=24.50
w=3.25
-22.15%
165/55-18
d=25.15
w=3.57
-20.08%
165/60-18
d=25.80
w=3.90
-18.02%
165/65-18
d=26.44
w=4.22
-15.95%
165/70-18
d=27.09
w=4.55
-13.89%
165/75-18
d=27.74
w=4.87
-11.82%
165/80-18
d=28.39
w=5.20
-9.76%
165/85-18
d=29.04
w=5.52
-7.70%
175
175/25-18
d=21.44
w=1.72
-31.84%
175/30-18
d=22.13
w=2.07
-29.65%
175/35-18
d=22.82
w=2.41
-27.46%
175/40-18
d=23.51
w=2.76
-25.28%
175/45-18
d=24.20
w=3.10
-23.09%
175/50-18
d=24.89
w=3.44
-20.90%
175/55-18
d=25.58
w=3.79
-18.71%
175/60-18
d=26.27
w=4.13
-16.52%
175/65-18
d=26.96
w=4.48
-14.33%
175/70-18
d=27.65
w=4.82
-12.14%
175/75-18
d=28.33
w=5.17
-9.95%
175/80-18
d=29.02
w=5.51
-7.76%
175/85-18
d=29.71
w=5.86
-5.57%
185
185/25-18
d=21.64
w=1.82
-31.22%
185/30-18
d=22.37
w=2.19
-28.90%
185/35-18
d=23.10
w=2.55
-26.59%
185/40-18
d=23.83
w=2.91
-24.27%
185/45-18
d=24.56
w=3.28
-21.96%
185/50-18
d=25.28
w=3.64
-19.64%
185/55-18
d=26.01
w=4.01
-17.33%
185/60-18
d=26.74
w=4.37
-15.02%
185/65-18
d=27.47
w=4.73
-12.70%
185/70-18
d=28.20
w=5.10
-10.39%
185/75-18
d=28.93
w=5.46
-8.07%
185/80-18
d=29.65
w=5.83
-5.76%
185/85-18
d=30.38
w=6.19
-3.44%
195
195/25-18
d=21.84
w=1.92
-30.59%
195/30-18
d=22.61
w=2.30
-28.15%
195/35-18
d=23.37
w=2.69
-25.71%
195/40-18
d=24.14
w=3.07
-23.27%
195/45-18
d=24.91
w=3.45
-20.83%
195/50-18
d=25.68
w=3.84
-18.39%
195/55-18
d=26.44
w=4.22
-15.95%
195/60-18
d=27.21
w=4.61
-13.51%
195/65-18
d=27.98
w=4.99
-11.07%
195/70-18
d=28.75
w=5.37
-8.63%
195/75-18
d=29.52
w=5.76
-6.19%
195/80-18
d=30.28
w=6.14
-3.75%
195/85-18
d=31.05
w=6.53
-1.31%
205
205/25-18
d=22.04
w=2.02
-29.97%
205/30-18
d=22.84
w=2.42
-27.40%
205/35-18
d=23.65
w=2.82
-24.84%
205/40-18
d=24.46
w=3.23
-22.27%
205/45-18
d=25.26
w=3.63
-19.71%
205/50-18
d=26.07
w=4.04
-17.14%
205/55-18
d=26.88
w=4.44
-14.58%
205/60-18
d=27.69
w=4.84
-12.01%
205/65-18
d=28.49
w=5.25
-9.45%
205/70-18
d=29.30
w=5.65
-6.88%
205/75-18
d=30.11
w=6.05
-4.32%
205/80-18
d=30.91
w=6.46
-1.75%
205/85-18
d=31.72
w=6.86
+0.81%
215
215/25-18
d=22.23
w=2.12
-29.34%
215/30-18
d=23.08
w=2.54
-26.65%
215/35-18
d=23.93
w=2.96
-23.96%
215/40-18
d=24.77
w=3.39
-21.27%
215/45-18
d=25.62
w=3.81
-18.58%
215/50-18
d=26.46
w=4.23
-15.89%
215/55-18
d=27.31
w=4.66
-13.20%
215/60-18
d=28.16
w=5.08
-10.51%
215/65-18
d=29.00
w=5.50
-7.82%
215/70-18
d=29.85
w=5.93
-5.13%
215/75-18
d=30.70
w=6.35
-2.44%
215/80-18
d=31.54
w=6.77
+0.25%
215/85-18
d=32.39
w=7.19
+2.94%
225
225/25-18
d=22.43
w=2.21
-28.72%
225/30-18
d=23.31
w=2.66
-25.90%
225/35-18
d=24.20
w=3.10
-23.09%
225/40-18
d=25.09
w=3.54
-20.27%
225/45-18
d=25.97
w=3.99
-17.45%
225/50-18
d=26.86
w=4.43
-14.64%
225/55-18
d=27.74
w=4.87
-11.82%
225/60-18
d=28.63
w=5.31
-9.01%
225/65-18
d=29.52
w=5.76
-6.19%
225/70-18
d=30.40
w=6.20
-3.38%
225/75-18
d=31.29
w=6.64
-0.56%
225/80-18
d=32.17
w=7.09
+2.25%
225/85-18
d=33.06
w=7.53
+5.07%
235
235/25-18
d=22.63
w=2.31
-28.09%
235/30-18
d=23.55
w=2.78
-25.15%
235/35-18
d=24.48
w=3.24
-22.21%
235/40-18
d=25.40
w=3.70
-19.27%
235/45-18
d=26.33
w=4.16
-16.33%
235/50-18
d=27.25
w=4.63
-13.39%
235/55-18
d=28.18
w=5.09
-10.45%
235/60-18
d=29.10
w=5.55
-7.51%
235/65-18
d=30.03
w=6.01
-4.57%
235/70-18
d=30.95
w=6.48
-1.63%
235/75-18
d=31.88
w=6.94
+1.31%
235/80-18
d=32.80
w=7.40
+4.25%
235/85-18
d=33.73
w=7.86
+7.19%
245
245/25-18
d=22.82
w=2.41
-27.46%
245/30-18
d=23.79
w=2.89
-24.40%
245/35-18
d=24.75
w=3.38
-21.33%
245/40-18
d=25.72
w=3.86
-18.27%
245/45-18
d=26.68
w=4.34
-15.20%
245/50-18
d=27.65
w=4.82
-12.14%
245/55-18
d=28.61
w=5.31
-9.07%
245/60-18
d=29.57
w=5.79
-6.01%
245/65-18
d=30.54
w=6.27
-2.94%
245/70-18
d=31.50
w=6.75
+0.13%
245/75-18
d=32.47
w=7.23
+3.19%
245/80-18
d=33.43
w=7.72
+6.26%
245/85-18
d=34.40
w=8.20
+9.32%
255
255/25-18
d=23.02
w=2.51
-26.84%
255/30-18
d=24.02
w=3.01
-23.65%
255/35-18
d=25.03
w=3.51
-20.46%
255/40-18
d=26.03
w=4.02
-17.27%
255/45-18
d=27.04
w=4.52
-14.08%
255/50-18
d=28.04
w=5.02
-10.89%
255/55-18
d=29.04
w=5.52
-7.70%
255/60-18
d=30.05
w=6.02
-4.50%
255/65-18
d=31.05
w=6.53
-1.31%
255/70-18
d=32.06
w=7.03
+1.88%
255/75-18
d=33.06
w=7.53
+5.07%
255/80-18
d=34.06
w=8.03
+8.26%
255/85-18
d=35.07
w=8.53
+11.45%
265
265/25-18
d=23.22
w=2.61
-26.21%
265/30-18
d=24.26
w=3.13
-22.90%
265/35-18
d=25.30
w=3.65
-19.58%
265/40-18
d=26.35
w=4.17
-16.27%
265/45-18
d=27.39
w=4.69
-12.95%
265/50-18
d=28.43
w=5.22
-9.63%
265/55-18
d=29.48
w=5.74
-6.32%
265/60-18
d=30.52
w=6.26
-3.00%
265/65-18
d=31.56
w=6.78
+0.31%
265/70-18
d=32.61
w=7.30
+3.63%
265/75-18
d=33.65
w=7.82
+6.94%
265/80-18
d=34.69
w=8.35
+10.26%
265/85-18
d=35.74
w=8.87
+13.58%
275
275/25-18
d=23.41
w=2.71
-25.59%
275/30-18
d=24.50
w=3.25
-22.15%
275/35-18
d=25.58
w=3.79
-18.71%
275/40-18
d=26.66
w=4.33
-15.27%
275/45-18
d=27.74
w=4.87
-11.82%
275/50-18
d=28.83
w=5.41
-8.38%
275/55-18
d=29.91
w=5.95
-4.94%
275/60-18
d=30.99
w=6.50
-1.50%
275/65-18
d=32.07
w=7.04
+1.94%
275/70-18
d=33.16
w=7.58
+5.38%
275/75-18
d=34.24
w=8.12
+8.82%
275/80-18
d=35.32
w=8.66
+12.26%
275/85-18
d=36.41
w=9.20
+15.70%
285
285/25-18
d=23.61
w=2.81
-24.96%
285/30-18
d=24.73
w=3.37
-21.40%
285/35-18
d=25.85
w=3.93
-17.83%
285/40-18
d=26.98
w=4.49
-14.26%
285/45-18
d=28.10
w=5.05
-10.70%
285/50-18
d=29.22
w=5.61
-7.13%
285/55-18
d=30.34
w=6.17
-3.57%
285/60-18
d=31.46
w=6.73
0.00%
285/65-18
d=32.59
w=7.29
+3.57%
285/70-18
d=33.71
w=7.85
+7.13%
285/75-18
d=34.83
w=8.42
+10.70%
285/80-18
d=35.95
w=8.98
+14.26%
285/85-18
d=37.07
w=9.54
+17.83%
295
295/25-18
d=23.81
w=2.90
-24.34%
295/30-18
d=24.97
w=3.48
-20.65%
295/35-18
d=26.13
w=4.06
-16.95%
295/40-18
d=27.29
w=4.65
-13.26%
295/45-18
d=28.45
w=5.23
-9.57%
295/50-18
d=29.61
w=5.81
-5.88%
295/55-18
d=30.78
w=6.39
-2.19%
295/60-18
d=31.94
w=6.97
+1.50%
295/65-18
d=33.10
w=7.55
+5.19%
295/70-18
d=34.26
w=8.13
+8.88%
295/75-18
d=35.42
w=8.71
+12.58%
295/80-18
d=36.58
w=9.29
+16.27%
295/85-18
d=37.74
w=9.87
+19.96%
305
305/25-18
d=24.00
w=3.00
-23.71%
305/30-18
d=25.20
w=3.60
-19.89%
305/35-18
d=26.41
w=4.20
-16.08%
305/40-18
d=27.61
w=4.80
-12.26%
305/45-18
d=28.81
w=5.40
-8.45%
305/50-18
d=30.01
w=6.00
-4.63%
305/55-18
d=31.21
w=6.60
-0.81%
305/60-18
d=32.41
w=7.20
+3.00%
305/65-18
d=33.61
w=7.81
+6.82%
305/70-18
d=34.81
w=8.41
+10.64%
305/75-18
d=36.01
w=9.01
+14.45%
305/80-18
d=37.21
w=9.61
+18.27%
305/85-18
d=38.41
w=10.21
+22.08%
315
315/25-18
d=24.20
w=3.10
-23.09%
315/30-18
d=25.44
w=3.72
-19.14%
315/35-18
d=26.68
w=4.34
-15.20%
315/40-18
d=27.92
w=4.96
-11.26%
315/45-18
d=29.16
w=5.58
-7.32%
315/50-18
d=30.40
w=6.20
-3.38%
315/55-18
d=31.64
w=6.82
+0.56%
315/60-18
d=32.88
w=7.44
+4.50%
315/65-18
d=34.12
w=8.06
+8.45%
315/70-18
d=35.36
w=8.68
+12.39%
315/75-18
d=36.60
w=9.30
+16.33%
315/80-18
d=37.84
w=9.92
+20.27%
315/85-18
d=39.08
w=10.54
+24.21%
325
325/25-18
d=24.40
w=3.20
-22.46%
325/30-18
d=25.68
w=3.84
-18.39%
325/35-18
d=26.96
w=4.48
-14.33%
325/40-18
d=28.24
w=5.12
-10.26%
325/45-18
d=29.52
w=5.76
-6.19%
325/50-18
d=30.80
w=6.40
-2.13%
325/55-18
d=32.07
w=7.04
+1.94%
325/60-18
d=33.35
w=7.68
+6.01%
325/65-18
d=34.63
w=8.32
+10.07%
325/70-18
d=35.91
w=8.96
+14.14%
325/75-18
d=37.19
w=9.60
+18.21%
325/80-18
d=38.47
w=10.24
+22.27%
325/85-18
d=39.75
w=10.88
+26.34%
335
335/25-18
d=24.59
w=3.30
-21.83%
335/30-18
d=25.91
w=3.96
-17.64%
335/35-18
d=27.23
w=4.62
-13.45%
335/40-18
d=28.55
w=5.28
-9.26%
335/45-18
d=29.87
w=5.94
-5.07%
335/50-18
d=31.19
w=6.59
-0.88%
335/55-18
d=32.51
w=7.25
+3.32%
335/60-18
d=33.83
w=7.91
+7.51%
335/65-18
d=35.15
w=8.57
+11.70%
335/70-18
d=36.46
w=9.23
+15.89%
335/75-18
d=37.78
w=9.89
+20.08%
335/80-18
d=39.10
w=10.55
+24.27%
335/85-18
d=40.42
w=11.21
+28.47%
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Wheel Size 19
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Wheel Size 20
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Wheel Size 21
145
145/25-21
d=23.85
w=1.43
-24.19%
145/30-21
d=24.43
w=1.71
-22.37%
145/35-21
d=25.00
w=2.00
-20.56%
145/40-21
d=25.57
w=2.28
-18.74%
145/45-21
d=26.14
w=2.57
-16.93%
145/50-21
d=26.71
w=2.85
-15.12%
145/55-21
d=27.28
w=3.14
-13.30%
145/60-21
d=27.85
w=3.43
-11.49%
145/65-21
d=28.42
w=3.71
-9.67%
145/70-21
d=28.99
w=4.00
-7.86%
145/75-21
d=29.56
w=4.28
-6.04%
145/80-21
d=30.13
w=4.57
-4.23%
145/85-21
d=30.70
w=4.85
-2.41%
155
155/25-21
d=24.05
w=1.53
-23.56%
155/30-21
d=24.66
w=1.83
-21.62%
155/35-21
d=25.27
w=2.14
-19.68%
155/40-21
d=25.88
w=2.44
-17.74%
155/45-21
d=26.49
w=2.75
-15.80%
155/50-21
d=27.10
w=3.05
-13.86%
155/55-21
d=27.71
w=3.36
-11.92%
155/60-21
d=28.32
w=3.66
-9.98%
155/65-21
d=28.93
w=3.97
-8.05%
155/70-21
d=29.54
w=4.27
-6.11%
155/75-21
d=30.15
w=4.58
-4.17%
155/80-21
d=30.76
w=4.88
-2.23%
155/85-21
d=31.37
w=5.19
-0.29%
165
165/25-21
d=24.25
w=1.62
-22.94%
165/30-21
d=24.90
w=1.95
-20.87%
165/35-21
d=25.55
w=2.27
-18.81%
165/40-21
d=26.20
w=2.60
-16.74%
165/45-21
d=26.85
w=2.92
-14.68%
165/50-21
d=27.50
w=3.25
-12.61%
165/55-21
d=28.15
w=3.57
-10.55%
165/60-21
d=28.80
w=3.90
-8.48%
165/65-21
d=29.44
w=4.22
-6.42%
165/70-21
d=30.09
w=4.55
-4.35%
165/75-21
d=30.74
w=4.87
-2.29%
165/80-21
d=31.39
w=5.20
-0.23%
165/85-21
d=32.04
w=5.52
+1.84%
175
175/25-21
d=24.44
w=1.72
-22.31%
175/30-21
d=25.13
w=2.07
-20.12%
175/35-21
d=25.82
w=2.41
-17.93%
175/40-21
d=26.51
w=2.76
-15.74%
175/45-21
d=27.20
w=3.10
-13.55%
175/50-21
d=27.89
w=3.44
-11.36%
175/55-21
d=28.58
w=3.79
-9.17%
175/60-21
d=29.27
w=4.13
-6.98%
175/65-21
d=29.96
w=4.48
-4.79%
175/70-21
d=30.65
w=4.82
-2.60%
175/75-21
d=31.33
w=5.17
-0.41%
175/80-21
d=32.02
w=5.51
+1.78%
175/85-21
d=32.71
w=5.86
+3.97%
185
185/25-21
d=24.64
w=1.82
-21.68%
185/30-21
d=25.37
w=2.19
-19.37%
185/35-21
d=26.10
w=2.55
-17.05%
185/40-21
d=26.83
w=2.91
-14.74%
185/45-21
d=27.56
w=3.28
-12.42%
185/50-21
d=28.28
w=3.64
-10.11%
185/55-21
d=29.01
w=4.01
-7.80%
185/60-21
d=29.74
w=4.37
-5.48%
185/65-21
d=30.47
w=4.73
-3.17%
185/70-21
d=31.20
w=5.10
-0.85%
185/75-21
d=31.93
w=5.46
+1.46%
185/80-21
d=32.65
w=5.83
+3.78%
185/85-21
d=33.38
w=6.19
+6.09%
195
195/25-21
d=24.84
w=1.92
-21.06%
195/30-21
d=25.61
w=2.30
-18.62%
195/35-21
d=26.37
w=2.69
-16.18%
195/40-21
d=27.14
w=3.07
-13.74%
195/45-21
d=27.91
w=3.45
-11.30%
195/50-21
d=28.68
w=3.84
-8.86%
195/55-21
d=29.44
w=4.22
-6.42%
195/60-21
d=30.21
w=4.61
-3.98%
195/65-21
d=30.98
w=4.99
-1.54%
195/70-21
d=31.75
w=5.37
+0.90%
195/75-21
d=32.52
w=5.76
+3.34%
195/80-21
d=33.28
w=6.14
+5.78%
195/85-21
d=34.05
w=6.53
+8.22%
205
205/25-21
d=25.04
w=2.02
-20.43%
205/30-21
d=25.84
w=2.42
-17.87%
205/35-21
d=26.65
w=2.82
-15.30%
205/40-21
d=27.46
w=3.23
-12.74%
205/45-21
d=28.26
w=3.63
-10.17%
205/50-21
d=29.07
w=4.04
-7.61%
205/55-21
d=29.88
w=4.44
-5.04%
205/60-21
d=30.69
w=4.84
-2.48%
205/65-21
d=31.49
w=5.25
+0.09%
205/70-21
d=32.30
w=5.65
+2.65%
205/75-21
d=33.11
w=6.05
+5.22%
205/80-21
d=33.91
w=6.46
+7.78%
205/85-21
d=34.72
w=6.86
+10.35%
215
215/25-21
d=25.23
w=2.12
-19.81%
215/30-21
d=26.08
w=2.54
-17.12%
215/35-21
d=26.93
w=2.96
-14.43%
215/40-21
d=27.77
w=3.39
-11.74%
215/45-21
d=28.62
w=3.81
-9.05%
215/50-21
d=29.46
w=4.23
-6.36%
215/55-21
d=30.31
w=4.66
-3.67%
215/60-21
d=31.16
w=5.08
-0.98%
215/65-21
d=32.00
w=5.50
+1.71%
215/70-21
d=32.85
w=5.93
+4.40%
215/75-21
d=33.70
w=6.35
+7.09%
215/80-21
d=34.54
w=6.77
+9.78%
215/85-21
d=35.39
w=7.19
+12.47%
225
225/25-21
d=25.43
w=2.21
-19.18%
225/30-21
d=26.31
w=2.66
-16.37%
225/35-21
d=27.20
w=3.10
-13.55%
225/40-21
d=28.09
w=3.54
-10.74%
225/45-21
d=28.97
w=3.99
-7.92%
225/50-21
d=29.86
w=4.43
-5.11%
225/55-21
d=30.74
w=4.87
-2.29%
225/60-21
d=31.63
w=5.31
+0.53%
225/65-21
d=32.52
w=5.76
+3.34%
225/70-21
d=33.40
w=6.20
+6.16%
225/75-21
d=34.29
w=6.64
+8.97%
225/80-21
d=35.17
w=7.09
+11.79%
225/85-21
d=36.06
w=7.53
+14.60%
235
235/25-21
d=25.63
w=2.31
-18.56%
235/30-21
d=26.55
w=2.78
-15.62%
235/35-21
d=27.48
w=3.24
-12.68%
235/40-21
d=28.40
w=3.70
-9.73%
235/45-21
d=29.33
w=4.16
-6.79%
235/50-21
d=30.25
w=4.63
-3.85%
235/55-21
d=31.18
w=5.09
-0.91%
235/60-21
d=32.10
w=5.55
+2.03%
235/65-21
d=33.03
w=6.01
+4.97%
235/70-21
d=33.95
w=6.48
+7.91%
235/75-21
d=34.88
w=6.94
+10.85%
235/80-21
d=35.80
w=7.40
+13.79%
235/85-21
d=36.73
w=7.86
+16.73%
245
245/25-21
d=25.82
w=2.41
-17.93%
245/30-21
d=26.79
w=2.89
-14.86%
245/35-21
d=27.75
w=3.38
-11.80%
245/40-21
d=28.72
w=3.86
-8.73%
245/45-21
d=29.68
w=4.34
-5.67%
245/50-21
d=30.65
w=4.82
-2.60%
245/55-21
d=31.61
w=5.31
+0.46%
245/60-21
d=32.57
w=5.79
+3.53%
245/65-21
d=33.54
w=6.27
+6.59%
245/70-21
d=34.50
w=6.75
+9.66%
245/75-21
d=35.47
w=7.23
+12.73%
245/80-21
d=36.43
w=7.72
+15.79%
245/85-21
d=37.40
w=8.20
+18.86%
255
255/25-21
d=26.02
w=2.51
-17.30%
255/30-21
d=27.02
w=3.01
-14.11%
255/35-21
d=28.03
w=3.51
-10.92%
255/40-21
d=29.03
w=4.02
-7.73%
255/45-21
d=30.04
w=4.52
-4.54%
255/50-21
d=31.04
w=5.02
-1.35%
255/55-21
d=32.04
w=5.52
+1.84%
255/60-21
d=33.05
w=6.02
+5.03%
255/65-21
d=34.05
w=6.53
+8.22%
255/70-21
d=35.06
w=7.03
+11.41%
255/75-21
d=36.06
w=7.53
+14.60%
255/80-21
d=37.06
w=8.03
+17.79%
255/85-21
d=38.07
w=8.53
+20.98%
265
265/25-21
d=26.22
w=2.61
-16.68%
265/30-21
d=27.26
w=3.13
-13.36%
265/35-21
d=28.30
w=3.65
-10.05%
265/40-21
d=29.35
w=4.17
-6.73%
265/45-21
d=30.39
w=4.69
-3.42%
265/50-21
d=31.43
w=5.22
-0.10%
265/55-21
d=32.48
w=5.74
+3.22%
265/60-21
d=33.52
w=6.26
+6.53%
265/65-21
d=34.56
w=6.78
+9.85%
265/70-21
d=35.61
w=7.30
+13.16%
265/75-21
d=36.65
w=7.82
+16.48%
265/80-21
d=37.69
w=8.35
+19.79%
265/85-21
d=38.74
w=8.87
+23.11%
275
275/25-21
d=26.41
w=2.71
-16.05%
275/30-21
d=27.50
w=3.25
-12.61%
275/35-21
d=28.58
w=3.79
-9.17%
275/40-21
d=29.66
w=4.33
-5.73%
275/45-21
d=30.74
w=4.87
-2.29%
275/50-21
d=31.83
w=5.41
+1.15%
275/55-21
d=32.91
w=5.95
+4.59%
275/60-21
d=33.99
w=6.50
+8.03%
275/65-21
d=35.07
w=7.04
+11.47%
275/70-21
d=36.16
w=7.58
+14.91%
275/75-21
d=37.24
w=8.12
+18.36%
275/80-21
d=38.32
w=8.66
+21.80%
275/85-21
d=39.41
w=9.20
+25.24%
285
285/25-21
d=26.61
w=2.81
-15.43%
285/30-21
d=27.73
w=3.37
-11.86%
285/35-21
d=28.85
w=3.93
-8.30%
285/40-21
d=29.98
w=4.49
-4.73%
285/45-21
d=31.10
w=5.05
-1.16%
285/50-21
d=32.22
w=5.61
+2.40%
285/55-21
d=33.34
w=6.17
+5.97%
285/60-21
d=34.46
w=6.73
+9.53%
285/65-21
d=35.59
w=7.29
+13.10%
285/70-21
d=36.71
w=7.85
+16.67%
285/75-21
d=37.83
w=8.42
+20.23%
285/80-21
d=38.95
w=8.98
+23.80%
285/85-21
d=40.07
w=9.54
+27.36%
295
295/25-21
d=26.81
w=2.90
-14.80%
295/30-21
d=27.97
w=3.48
-11.11%
295/35-21
d=29.13
w=4.06
-7.42%
295/40-21
d=30.29
w=4.65
-3.73%
295/45-21
d=31.45
w=5.23
-0.04%
295/50-21
d=32.61
w=5.81
+3.65%
295/55-21
d=33.78
w=6.39
+7.34%
295/60-21
d=34.94
w=6.97
+11.04%
295/65-21
d=36.10
w=7.55
+14.73%
295/70-21
d=37.26
w=8.13
+18.42%
295/75-21
d=38.42
w=8.71
+22.11%
295/80-21
d=39.58
w=9.29
+25.80%
295/85-21
d=40.74
w=9.87
+29.49%
305
305/25-21
d=27.00
w=3.00
-14.18%
305/30-21
d=28.20
w=3.60
-10.36%
305/35-21
d=29.41
w=4.20
-6.54%
305/40-21
d=30.61
w=4.80
-2.73%
305/45-21
d=31.81
w=5.40
+1.09%
305/50-21
d=33.01
w=6.00
+4.90%
305/55-21
d=34.21
w=6.60
+8.72%
305/60-21
d=35.41
w=7.20
+12.54%
305/65-21
d=36.61
w=7.81
+16.35%
305/70-21
d=37.81
w=8.41
+20.17%
305/75-21
d=39.01
w=9.01
+23.99%
305/80-21
d=40.21
w=9.61
+27.80%
305/85-21
d=41.41
w=10.21
+31.62%
315
315/25-21
d=27.20
w=3.10
-13.55%
315/30-21
d=28.44
w=3.72
-9.61%
315/35-21
d=29.68
w=4.34
-5.67%
315/40-21
d=30.92
w=4.96
-1.73%
315/45-21
d=32.16
w=5.58
+2.21%
315/50-21
d=33.40
w=6.20
+6.16%
315/55-21
d=34.64
w=6.82
+10.10%
315/60-21
d=35.88
w=7.44
+14.04%
315/65-21
d=37.12
w=8.06
+17.98%
315/70-21
d=38.36
w=8.68
+21.92%
315/75-21
d=39.60
w=9.30
+25.86%
315/80-21
d=40.84
w=9.92
+29.80%
315/85-21
d=42.08
w=10.54
+33.75%
325
325/25-21
d=27.40
w=3.20
-12.93%
325/30-21
d=28.68
w=3.84
-8.86%
325/35-21
d=29.96
w=4.48
-4.79%
325/40-21
d=31.24
w=5.12
-0.73%
325/45-21
d=32.52
w=5.76
+3.34%
325/50-21
d=33.80
w=6.40
+7.41%
325/55-21
d=35.07
w=7.04
+11.47%
325/60-21
d=36.35
w=7.68
+15.54%
325/65-21
d=37.63
w=8.32
+19.61%
325/70-21
d=38.91
w=8.96
+23.67%
325/75-21
d=40.19
w=9.60
+27.74%
325/80-21
d=41.47
w=10.24
+31.81%
325/85-21
d=42.75
w=10.88
+35.87%
335
335/25-21
d=27.59
w=3.30
-12.30%
335/30-21
d=28.91
w=3.96
-8.11%
335/35-21
d=30.23
w=4.62
-3.92%
335/40-21
d=31.55
w=5.28
+0.28%
335/45-21
d=32.87
w=5.94
+4.47%
335/50-21
d=34.19
w=6.59
+8.66%
335/55-21
d=35.51
w=7.25
+12.85%
335/60-21
d=36.83
w=7.91
+17.04%
335/65-21
d=38.15
w=8.57
+21.23%
335/70-21
d=39.46
w=9.23
+25.43%
335/75-21
d=40.78
w=9.89
+29.62%
335/80-21
d=42.10
w=10.55
+33.81%
335/85-21
d=43.42
w=11.21
+38.00%

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!