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Current Tire Size: (examples: 185/65-14, 205/75-15)
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Ratio: 25 30 35 40 45 50 55 60 65 70 75 80 85
Wheel Size 12" [Show] [Hide]
Wheel Size 13" [Show] [Hide]
145 145/25-13
d=15.85
w=1.43
145/30-13
d=16.43
w=1.71
145/35-13
d=17.00
w=2.00
145/40-13
d=17.57
w=2.28
145/45-13
d=18.14
w=2.57
145/50-13
d=18.71
w=2.85
145/55-13
d=19.28
w=3.14
145/60-13
d=19.85
w=3.43
145/65-13
d=20.42
w=3.71
145/70-13
d=20.99
w=4.00
145/75-13
d=21.56
w=4.28
145/80-13
d=22.13
w=4.57
145/85-13
d=22.70
w=4.85
155 155/25-13
d=16.05
w=1.53
155/30-13
d=16.66
w=1.83
155/35-13
d=17.27
w=2.14
155/40-13
d=17.88
w=2.44
155/45-13
d=18.49
w=2.75
155/50-13
d=19.10
w=3.05
155/55-13
d=19.71
w=3.36
155/60-13
d=20.32
w=3.66
155/65-13
d=20.93
w=3.97
155/70-13
d=21.54
w=4.27
155/75-13
d=22.15
w=4.58
155/80-13
d=22.76
w=4.88
155/85-13
d=23.37
w=5.19
165 165/25-13
d=16.25
w=1.62
165/30-13
d=16.90
w=1.95
165/35-13
d=17.55
w=2.27
165/40-13
d=18.20
w=2.60
165/45-13
d=18.85
w=2.92
165/50-13
d=19.50
w=3.25
165/55-13
d=20.15
w=3.57
165/60-13
d=20.80
w=3.90
165/65-13
d=21.44
w=4.22
165/70-13
d=22.09
w=4.55
165/75-13
d=22.74
w=4.87
165/80-13
d=23.39
w=5.20
165/85-13
d=24.04
w=5.52
175 175/25-13
d=16.44
w=1.72
175/30-13
d=17.13
w=2.07
175/35-13
d=17.82
w=2.41
175/40-13
d=18.51
w=2.76
175/45-13
d=19.20
w=3.10
175/50-13
d=19.89
w=3.44
175/55-13
d=20.58
w=3.79
175/60-13
d=21.27
w=4.13
175/65-13
d=21.96
w=4.48
175/70-13
d=22.65
w=4.82
175/75-13
d=23.33
w=5.17
175/80-13
d=24.02
w=5.51
175/85-13
d=24.71
w=5.86
185 185/25-13
d=16.64
w=1.82
185/30-13
d=17.37
w=2.19
185/35-13
d=18.10
w=2.55
185/40-13
d=18.83
w=2.91
185/45-13
d=19.56
w=3.28
185/50-13
d=20.28
w=3.64
185/55-13
d=21.01
w=4.01
185/60-13
d=21.74
w=4.37
185/65-13
d=22.47
w=4.73
185/70-13
d=23.20
w=5.10
185/75-13
d=23.93
w=5.46
185/80-13
d=24.65
w=5.83
185/85-13
d=25.38
w=6.19
195 195/25-13
d=16.84
w=1.92
195/30-13
d=17.61
w=2.30
195/35-13
d=18.37
w=2.69
195/40-13
d=19.14
w=3.07
195/45-13
d=19.91
w=3.45
195/50-13
d=20.68
w=3.84
195/55-13
d=21.44
w=4.22
195/60-13
d=22.21
w=4.61
195/65-13
d=22.98
w=4.99
195/70-13
d=23.75
w=5.37
195/75-13
d=24.52
w=5.76
195/80-13
d=25.28
w=6.14
195/85-13
d=26.05
w=6.53
205 205/25-13
d=17.04
w=2.02
205/30-13
d=17.84
w=2.42
205/35-13
d=18.65
w=2.82
205/40-13
d=19.46
w=3.23
205/45-13
d=20.26
w=3.63
205/50-13
d=21.07
w=4.04
205/55-13
d=21.88
w=4.44
205/60-13
d=22.69
w=4.84
205/65-13
d=23.49
w=5.25
205/70-13
d=24.30
w=5.65
205/75-13
d=25.11
w=6.05
205/80-13
d=25.91
w=6.46
205/85-13
d=26.72
w=6.86
215 215/25-13
d=17.23
w=2.12
215/30-13
d=18.08
w=2.54
215/35-13
d=18.93
w=2.96
215/40-13
d=19.77
w=3.39
215/45-13
d=20.62
w=3.81
215/50-13
d=21.46
w=4.23
215/55-13
d=22.31
w=4.66
215/60-13
d=23.16
w=5.08
215/65-13
d=24.00
w=5.50
215/70-13
d=24.85
w=5.93
215/75-13
d=25.70
w=6.35
215/80-13
d=26.54
w=6.77
215/85-13
d=27.39
w=7.19
225 225/25-13
d=17.43
w=2.21
225/30-13
d=18.31
w=2.66
225/35-13
d=19.20
w=3.10
225/40-13
d=20.09
w=3.54
225/45-13
d=20.97
w=3.99
225/50-13
d=21.86
w=4.43
225/55-13
d=22.74
w=4.87
225/60-13
d=23.63
w=5.31
225/65-13
d=24.52
w=5.76
225/70-13
d=25.40
w=6.20
225/75-13
d=26.29
w=6.64
225/80-13
d=27.17
w=7.09
225/85-13
d=28.06
w=7.53
235 235/25-13
d=17.63
w=2.31
235/30-13
d=18.55
w=2.78
235/35-13
d=19.48
w=3.24
235/40-13
d=20.40
w=3.70
235/45-13
d=21.33
w=4.16
235/50-13
d=22.25
w=4.63
235/55-13
d=23.18
w=5.09
235/60-13
d=24.10
w=5.55
235/65-13
d=25.03
w=6.01
235/70-13
d=25.95
w=6.48
235/75-13
d=26.88
w=6.94
235/80-13
d=27.80
w=7.40
235/85-13
d=28.73
w=7.86
245 245/25-13
d=17.82
w=2.41
245/30-13
d=18.79
w=2.89
245/35-13
d=19.75
w=3.38
245/40-13
d=20.72
w=3.86
245/45-13
d=21.68
w=4.34
245/50-13
d=22.65
w=4.82
245/55-13
d=23.61
w=5.31
245/60-13
d=24.57
w=5.79
245/65-13
d=25.54
w=6.27
245/70-13
d=26.50
w=6.75
245/75-13
d=27.47
w=7.23
245/80-13
d=28.43
w=7.72
245/85-13
d=29.40
w=8.20
255 255/25-13
d=18.02
w=2.51
255/30-13
d=19.02
w=3.01
255/35-13
d=20.03
w=3.51
255/40-13
d=21.03
w=4.02
255/45-13
d=22.04
w=4.52
255/50-13
d=23.04
w=5.02
255/55-13
d=24.04
w=5.52
255/60-13
d=25.05
w=6.02
255/65-13
d=26.05
w=6.53
255/70-13
d=27.06
w=7.03
255/75-13
d=28.06
w=7.53
255/80-13
d=29.06
w=8.03
255/85-13
d=30.07
w=8.53
265 265/25-13
d=18.22
w=2.61
265/30-13
d=19.26
w=3.13
265/35-13
d=20.30
w=3.65
265/40-13
d=21.35
w=4.17
265/45-13
d=22.39
w=4.69
265/50-13
d=23.43
w=5.22
265/55-13
d=24.48
w=5.74
265/60-13
d=25.52
w=6.26
265/65-13
d=26.56
w=6.78
265/70-13
d=27.61
w=7.30
265/75-13
d=28.65
w=7.82
265/80-13
d=29.69
w=8.35
265/85-13
d=30.74
w=8.87
275 275/25-13
d=18.41
w=2.71
275/30-13
d=19.50
w=3.25
275/35-13
d=20.58
w=3.79
275/40-13
d=21.66
w=4.33
275/45-13
d=22.74
w=4.87
275/50-13
d=23.83
w=5.41
275/55-13
d=24.91
w=5.95
275/60-13
d=25.99
w=6.50
275/65-13
d=27.07
w=7.04
275/70-13
d=28.16
w=7.58
275/75-13
d=29.24
w=8.12
275/80-13
d=30.32
w=8.66
275/85-13
d=31.41
w=9.20
285 285/25-13
d=18.61
w=2.81
285/30-13
d=19.73
w=3.37
285/35-13
d=20.85
w=3.93
285/40-13
d=21.98
w=4.49
285/45-13
d=23.10
w=5.05
285/50-13
d=24.22
w=5.61
285/55-13
d=25.34
w=6.17
285/60-13
d=26.46
w=6.73
285/65-13
d=27.59
w=7.29
285/70-13
d=28.71
w=7.85
285/75-13
d=29.83
w=8.42
285/80-13
d=30.95
w=8.98
285/85-13
d=32.07
w=9.54
295 295/25-13
d=18.81
w=2.90
295/30-13
d=19.97
w=3.48
295/35-13
d=21.13
w=4.06
295/40-13
d=22.29
w=4.65
295/45-13
d=23.45
w=5.23
295/50-13
d=24.61
w=5.81
295/55-13
d=25.78
w=6.39
295/60-13
d=26.94
w=6.97
295/65-13
d=28.10
w=7.55
295/70-13
d=29.26
w=8.13
295/75-13
d=30.42
w=8.71
295/80-13
d=31.58
w=9.29
295/85-13
d=32.74
w=9.87
305 305/25-13
d=19.00
w=3.00
305/30-13
d=20.20
w=3.60
305/35-13
d=21.41
w=4.20
305/40-13
d=22.61
w=4.80
305/45-13
d=23.81
w=5.40
305/50-13
d=25.01
w=6.00
305/55-13
d=26.21
w=6.60
305/60-13
d=27.41
w=7.20
305/65-13
d=28.61
w=7.81
305/70-13
d=29.81
w=8.41
305/75-13
d=31.01
w=9.01
305/80-13
d=32.21
w=9.61
305/85-13
d=33.41
w=10.21
315 315/25-13
d=19.20
w=3.10
315/30-13
d=20.44
w=3.72
315/35-13
d=21.68
w=4.34
315/40-13
d=22.92
w=4.96
315/45-13
d=24.16
w=5.58
315/50-13
d=25.40
w=6.20
315/55-13
d=26.64
w=6.82
315/60-13
d=27.88
w=7.44
315/65-13
d=29.12
w=8.06
315/70-13
d=30.36
w=8.68
315/75-13
d=31.60
w=9.30
315/80-13
d=32.84
w=9.92
315/85-13
d=34.08
w=10.54
325 325/25-13
d=19.40
w=3.20
325/30-13
d=20.68
w=3.84
325/35-13
d=21.96
w=4.48
325/40-13
d=23.24
w=5.12
325/45-13
d=24.52
w=5.76
325/50-13
d=25.80
w=6.40
325/55-13
d=27.07
w=7.04
325/60-13
d=28.35
w=7.68
325/65-13
d=29.63
w=8.32
325/70-13
d=30.91
w=8.96
325/75-13
d=32.19
w=9.60
325/80-13
d=33.47
w=10.24
325/85-13
d=34.75
w=10.88
335 335/25-13
d=19.59
w=3.30
335/30-13
d=20.91
w=3.96
335/35-13
d=22.23
w=4.62
335/40-13
d=23.55
w=5.28
335/45-13
d=24.87
w=5.94
335/50-13
d=26.19
w=6.59
335/55-13
d=27.51
w=7.25
335/60-13
d=28.83
w=7.91
335/65-13
d=30.15
w=8.57
335/70-13
d=31.46
w=9.23
335/75-13
d=32.78
w=9.89
335/80-13
d=34.10
w=10.55
335/85-13
d=35.42
w=11.21
Wheel Size 14" [Show] [Hide]
Wheel Size 15" [Show] [Hide]
Wheel Size 16" [Show] [Hide]
Wheel Size 16.5" [Show] [Hide]
Wheel Size 17" [Show] [Hide]
Wheel Size 18" [Show] [Hide]
Wheel Size 19" [Show] [Hide]
145 145/25-19
d=21.85
w=1.43
145/30-19
d=22.43
w=1.71
145/35-19
d=23.00
w=2.00
145/40-19
d=23.57
w=2.28
145/45-19
d=24.14
w=2.57
145/50-19
d=24.71
w=2.85
145/55-19
d=25.28
w=3.14
145/60-19
d=25.85
w=3.43
145/65-19
d=26.42
w=3.71
145/70-19
d=26.99
w=4.00
145/75-19
d=27.56
w=4.28
145/80-19
d=28.13
w=4.57
145/85-19
d=28.70
w=4.85
155 155/25-19
d=22.05
w=1.53
155/30-19
d=22.66
w=1.83
155/35-19
d=23.27
w=2.14
155/40-19
d=23.88
w=2.44
155/45-19
d=24.49
w=2.75
155/50-19
d=25.10
w=3.05
155/55-19
d=25.71
w=3.36
155/60-19
d=26.32
w=3.66
155/65-19
d=26.93
w=3.97
155/70-19
d=27.54
w=4.27
155/75-19
d=28.15
w=4.58
155/80-19
d=28.76
w=4.88
155/85-19
d=29.37
w=5.19
165 165/25-19
d=22.25
w=1.62
165/30-19
d=22.90
w=1.95
165/35-19
d=23.55
w=2.27
165/40-19
d=24.20
w=2.60
165/45-19
d=24.85
w=2.92
165/50-19
d=25.50
w=3.25
165/55-19
d=26.15
w=3.57
165/60-19
d=26.80
w=3.90
165/65-19
d=27.44
w=4.22
165/70-19
d=28.09
w=4.55
165/75-19
d=28.74
w=4.87
165/80-19
d=29.39
w=5.20
165/85-19
d=30.04
w=5.52
175 175/25-19
d=22.44
w=1.72
175/30-19
d=23.13
w=2.07
175/35-19
d=23.82
w=2.41
175/40-19
d=24.51
w=2.76
175/45-19
d=25.20
w=3.10
175/50-19
d=25.89
w=3.44
175/55-19
d=26.58
w=3.79
175/60-19
d=27.27
w=4.13
175/65-19
d=27.96
w=4.48
175/70-19
d=28.65
w=4.82
175/75-19
d=29.33
w=5.17
175/80-19
d=30.02
w=5.51
175/85-19
d=30.71
w=5.86
185 185/25-19
d=22.64
w=1.82
185/30-19
d=23.37
w=2.19
185/35-19
d=24.10
w=2.55
185/40-19
d=24.83
w=2.91
185/45-19
d=25.56
w=3.28
185/50-19
d=26.28
w=3.64
185/55-19
d=27.01
w=4.01
185/60-19
d=27.74
w=4.37
185/65-19
d=28.47
w=4.73
185/70-19
d=29.20
w=5.10
185/75-19
d=29.93
w=5.46
185/80-19
d=30.65
w=5.83
185/85-19
d=31.38
w=6.19
195 195/25-19
d=22.84
w=1.92
195/30-19
d=23.61
w=2.30
195/35-19
d=24.37
w=2.69
195/40-19
d=25.14
w=3.07
195/45-19
d=25.91
w=3.45
195/50-19
d=26.68
w=3.84
195/55-19
d=27.44
w=4.22
195/60-19
d=28.21
w=4.61
195/65-19
d=28.98
w=4.99
195/70-19
d=29.75
w=5.37
195/75-19
d=30.52
w=5.76
195/80-19
d=31.28
w=6.14
195/85-19
d=32.05
w=6.53
205 205/25-19
d=23.04
w=2.02
205/30-19
d=23.84
w=2.42
205/35-19
d=24.65
w=2.82
205/40-19
d=25.46
w=3.23
205/45-19
d=26.26
w=3.63
205/50-19
d=27.07
w=4.04
205/55-19
d=27.88
w=4.44
205/60-19
d=28.69
w=4.84
205/65-19
d=29.49
w=5.25
205/70-19
d=30.30
w=5.65
205/75-19
d=31.11
w=6.05
205/80-19
d=31.91
w=6.46
205/85-19
d=32.72
w=6.86
215 215/25-19
d=23.23
w=2.12
215/30-19
d=24.08
w=2.54
215/35-19
d=24.93
w=2.96
215/40-19
d=25.77
w=3.39
215/45-19
d=26.62
w=3.81
215/50-19
d=27.46
w=4.23
215/55-19
d=28.31
w=4.66
215/60-19
d=29.16
w=5.08
215/65-19
d=30.00
w=5.50
215/70-19
d=30.85
w=5.93
215/75-19
d=31.70
w=6.35
215/80-19
d=32.54
w=6.77
215/85-19
d=33.39
w=7.19
225 225/25-19
d=23.43
w=2.21
225/30-19
d=24.31
w=2.66
225/35-19
d=25.20
w=3.10
225/40-19
d=26.09
w=3.54
225/45-19
d=26.97
w=3.99
225/50-19
d=27.86
w=4.43
225/55-19
d=28.74
w=4.87
225/60-19
d=29.63
w=5.31
225/65-19
d=30.52
w=5.76
225/70-19
d=31.40
w=6.20
225/75-19
d=32.29
w=6.64
225/80-19
d=33.17
w=7.09
225/85-19
d=34.06
w=7.53
235 235/25-19
d=23.63
w=2.31
235/30-19
d=24.55
w=2.78
235/35-19
d=25.48
w=3.24
235/40-19
d=26.40
w=3.70
235/45-19
d=27.33
w=4.16
235/50-19
d=28.25
w=4.63
235/55-19
d=29.18
w=5.09
235/60-19
d=30.10
w=5.55
235/65-19
d=31.03
w=6.01
235/70-19
d=31.95
w=6.48
235/75-19
d=32.88
w=6.94
235/80-19
d=33.80
w=7.40
235/85-19
d=34.73
w=7.86
245 245/25-19
d=23.82
w=2.41
245/30-19
d=24.79
w=2.89
245/35-19
d=25.75
w=3.38
245/40-19
d=26.72
w=3.86
245/45-19
d=27.68
w=4.34
245/50-19
d=28.65
w=4.82
245/55-19
d=29.61
w=5.31
245/60-19
d=30.57
w=5.79
245/65-19
d=31.54
w=6.27
245/70-19
d=32.50
w=6.75
245/75-19
d=33.47
w=7.23
245/80-19
d=34.43
w=7.72
245/85-19
d=35.40
w=8.20
255 255/25-19
d=24.02
w=2.51
255/30-19
d=25.02
w=3.01
255/35-19
d=26.03
w=3.51
255/40-19
d=27.03
w=4.02
255/45-19
d=28.04
w=4.52
255/50-19
d=29.04
w=5.02
255/55-19
d=30.04
w=5.52
255/60-19
d=31.05
w=6.02
255/65-19
d=32.05
w=6.53
255/70-19
d=33.06
w=7.03
255/75-19
d=34.06
w=7.53
255/80-19
d=35.06
w=8.03
255/85-19
d=36.07
w=8.53
265 265/25-19
d=24.22
w=2.61
265/30-19
d=25.26
w=3.13
265/35-19
d=26.30
w=3.65
265/40-19
d=27.35
w=4.17
265/45-19
d=28.39
w=4.69
265/50-19
d=29.43
w=5.22
265/55-19
d=30.48
w=5.74
265/60-19
d=31.52
w=6.26
265/65-19
d=32.56
w=6.78
265/70-19
d=33.61
w=7.30
265/75-19
d=34.65
w=7.82
265/80-19
d=35.69
w=8.35
265/85-19
d=36.74
w=8.87
275 275/25-19
d=24.41
w=2.71
275/30-19
d=25.50
w=3.25
275/35-19
d=26.58
w=3.79
275/40-19
d=27.66
w=4.33
275/45-19
d=28.74
w=4.87
275/50-19
d=29.83
w=5.41
275/55-19
d=30.91
w=5.95
275/60-19
d=31.99
w=6.50
275/65-19
d=33.07
w=7.04
275/70-19
d=34.16
w=7.58
275/75-19
d=35.24
w=8.12
275/80-19
d=36.32
w=8.66
275/85-19
d=37.41
w=9.20
285 285/25-19
d=24.61
w=2.81
285/30-19
d=25.73
w=3.37
285/35-19
d=26.85
w=3.93
285/40-19
d=27.98
w=4.49
285/45-19
d=29.10
w=5.05
285/50-19
d=30.22
w=5.61
285/55-19
d=31.34
w=6.17
285/60-19
d=32.46
w=6.73
285/65-19
d=33.59
w=7.29
285/70-19
d=34.71
w=7.85
285/75-19
d=35.83
w=8.42
285/80-19
d=36.95
w=8.98
285/85-19
d=38.07
w=9.54
295 295/25-19
d=24.81
w=2.90
295/30-19
d=25.97
w=3.48
295/35-19
d=27.13
w=4.06
295/40-19
d=28.29
w=4.65
295/45-19
d=29.45
w=5.23
295/50-19
d=30.61
w=5.81
295/55-19
d=31.78
w=6.39
295/60-19
d=32.94
w=6.97
295/65-19
d=34.10
w=7.55
295/70-19
d=35.26
w=8.13
295/75-19
d=36.42
w=8.71
295/80-19
d=37.58
w=9.29
295/85-19
d=38.74
w=9.87
305 305/25-19
d=25.00
w=3.00
305/30-19
d=26.20
w=3.60
305/35-19
d=27.41
w=4.20
305/40-19
d=28.61
w=4.80
305/45-19
d=29.81
w=5.40
305/50-19
d=31.01
w=6.00
305/55-19
d=32.21
w=6.60
305/60-19
d=33.41
w=7.20
305/65-19
d=34.61
w=7.81
305/70-19
d=35.81
w=8.41
305/75-19
d=37.01
w=9.01
305/80-19
d=38.21
w=9.61
305/85-19
d=39.41
w=10.21
315 315/25-19
d=25.20
w=3.10
315/30-19
d=26.44
w=3.72
315/35-19
d=27.68
w=4.34
315/40-19
d=28.92
w=4.96
315/45-19
d=30.16
w=5.58
315/50-19
d=31.40
w=6.20
315/55-19
d=32.64
w=6.82
315/60-19
d=33.88
w=7.44
315/65-19
d=35.12
w=8.06
315/70-19
d=36.36
w=8.68
315/75-19
d=37.60
w=9.30
315/80-19
d=38.84
w=9.92
315/85-19
d=40.08
w=10.54
325 325/25-19
d=25.40
w=3.20
325/30-19
d=26.68
w=3.84
325/35-19
d=27.96
w=4.48
325/40-19
d=29.24
w=5.12
325/45-19
d=30.52
w=5.76
325/50-19
d=31.80
w=6.40
325/55-19
d=33.07
w=7.04
325/60-19
d=34.35
w=7.68
325/65-19
d=35.63
w=8.32
325/70-19
d=36.91
w=8.96
325/75-19
d=38.19
w=9.60
325/80-19
d=39.47
w=10.24
325/85-19
d=40.75
w=10.88
335 335/25-19
d=25.59
w=3.30
335/30-19
d=26.91
w=3.96
335/35-19
d=28.23
w=4.62
335/40-19
d=29.55
w=5.28
335/45-19
d=30.87
w=5.94
335/50-19
d=32.19
w=6.59
335/55-19
d=33.51
w=7.25
335/60-19
d=34.83
w=7.91
335/65-19
d=36.15
w=8.57
335/70-19
d=37.46
w=9.23
335/75-19
d=38.78
w=9.89
335/80-19
d=40.10
w=10.55
335/85-19
d=41.42
w=11.21
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Disclaimer: The data presented here is in no way "official". Please use common sense and check with manufacturer recommendations and other references.


Thanx:
   Mark Sink's tire calculator -- for the idea and reference numbers
   Tirerack.com -- for quick and reliable service
   Mike.S -- for inspiration :)
   XAO::Web -- for bells and whistles that allowed to create this page in about an hour

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