%
to
to
to
Ratio: 25 30 35 40 45 50 55 60 65 70 75 80 85
Wheel Size 12
Wheel Size 13
Wheel Size 14
Wheel Size 15
Wheel Size 16
145
145/25-16
d=18.85
w=1.43
145/30-16
d=19.43
w=1.71
145/35-16
d=20.00
w=2.00
145/40-16
d=20.57
w=2.28
145/45-16
d=21.14
w=2.57
145/50-16
d=21.71
w=2.85
145/55-16
d=22.28
w=3.14
145/60-16
d=22.85
w=3.43
145/65-16
d=23.42
w=3.71
145/70-16
d=23.99
w=4.00
145/75-16
d=24.56
w=4.28
145/80-16
d=25.13
w=4.57
145/85-16
d=25.70
w=4.85
155
155/25-16
d=19.05
w=1.53
155/30-16
d=19.66
w=1.83
155/35-16
d=20.27
w=2.14
155/40-16
d=20.88
w=2.44
155/45-16
d=21.49
w=2.75
155/50-16
d=22.10
w=3.05
155/55-16
d=22.71
w=3.36
155/60-16
d=23.32
w=3.66
155/65-16
d=23.93
w=3.97
155/70-16
d=24.54
w=4.27
155/75-16
d=25.15
w=4.58
155/80-16
d=25.76
w=4.88
155/85-16
d=26.37
w=5.19
165
165/25-16
d=19.25
w=1.62
165/30-16
d=19.90
w=1.95
165/35-16
d=20.55
w=2.27
165/40-16
d=21.20
w=2.60
165/45-16
d=21.85
w=2.92
165/50-16
d=22.50
w=3.25
165/55-16
d=23.15
w=3.57
165/60-16
d=23.80
w=3.90
165/65-16
d=24.44
w=4.22
165/70-16
d=25.09
w=4.55
165/75-16
d=25.74
w=4.87
165/80-16
d=26.39
w=5.20
165/85-16
d=27.04
w=5.52
175
175/25-16
d=19.44
w=1.72
175/30-16
d=20.13
w=2.07
175/35-16
d=20.82
w=2.41
175/40-16
d=21.51
w=2.76
175/45-16
d=22.20
w=3.10
175/50-16
d=22.89
w=3.44
175/55-16
d=23.58
w=3.79
175/60-16
d=24.27
w=4.13
175/65-16
d=24.96
w=4.48
175/70-16
d=25.65
w=4.82
175/75-16
d=26.33
w=5.17
175/80-16
d=27.02
w=5.51
175/85-16
d=27.71
w=5.86
185
185/25-16
d=19.64
w=1.82
185/30-16
d=20.37
w=2.19
185/35-16
d=21.10
w=2.55
185/40-16
d=21.83
w=2.91
185/45-16
d=22.56
w=3.28
185/50-16
d=23.28
w=3.64
185/55-16
d=24.01
w=4.01
185/60-16
d=24.74
w=4.37
185/65-16
d=25.47
w=4.73
185/70-16
d=26.20
w=5.10
185/75-16
d=26.93
w=5.46
185/80-16
d=27.65
w=5.83
185/85-16
d=28.38
w=6.19
195
195/25-16
d=19.84
w=1.92
195/30-16
d=20.61
w=2.30
195/35-16
d=21.37
w=2.69
195/40-16
d=22.14
w=3.07
195/45-16
d=22.91
w=3.45
195/50-16
d=23.68
w=3.84
195/55-16
d=24.44
w=4.22
195/60-16
d=25.21
w=4.61
195/65-16
d=25.98
w=4.99
195/70-16
d=26.75
w=5.37
195/75-16
d=27.52
w=5.76
195/80-16
d=28.28
w=6.14
195/85-16
d=29.05
w=6.53
205
205/25-16
d=20.04
w=2.02
205/30-16
d=20.84
w=2.42
205/35-16
d=21.65
w=2.82
205/40-16
d=22.46
w=3.23
205/45-16
d=23.26
w=3.63
205/50-16
d=24.07
w=4.04
205/55-16
d=24.88
w=4.44
205/60-16
d=25.69
w=4.84
205/65-16
d=26.49
w=5.25
205/70-16
d=27.30
w=5.65
205/75-16
d=28.11
w=6.05
205/80-16
d=28.91
w=6.46
205/85-16
d=29.72
w=6.86
215
215/25-16
d=20.23
w=2.12
215/30-16
d=21.08
w=2.54
215/35-16
d=21.93
w=2.96
215/40-16
d=22.77
w=3.39
215/45-16
d=23.62
w=3.81
215/50-16
d=24.46
w=4.23
215/55-16
d=25.31
w=4.66
215/60-16
d=26.16
w=5.08
215/65-16
d=27.00
w=5.50
215/70-16
d=27.85
w=5.93
215/75-16
d=28.70
w=6.35
215/80-16
d=29.54
w=6.77
215/85-16
d=30.39
w=7.19
225
225/25-16
d=20.43
w=2.21
225/30-16
d=21.31
w=2.66
225/35-16
d=22.20
w=3.10
225/40-16
d=23.09
w=3.54
225/45-16
d=23.97
w=3.99
225/50-16
d=24.86
w=4.43
225/55-16
d=25.74
w=4.87
225/60-16
d=26.63
w=5.31
225/65-16
d=27.52
w=5.76
225/70-16
d=28.40
w=6.20
225/75-16
d=29.29
w=6.64
225/80-16
d=30.17
w=7.09
225/85-16
d=31.06
w=7.53
235
235/25-16
d=20.63
w=2.31
235/30-16
d=21.55
w=2.78
235/35-16
d=22.48
w=3.24
235/40-16
d=23.40
w=3.70
235/45-16
d=24.33
w=4.16
235/50-16
d=25.25
w=4.63
235/55-16
d=26.18
w=5.09
235/60-16
d=27.10
w=5.55
235/65-16
d=28.03
w=6.01
235/70-16
d=28.95
w=6.48
235/75-16
d=29.88
w=6.94
235/80-16
d=30.80
w=7.40
235/85-16
d=31.73
w=7.86
245
245/25-16
d=20.82
w=2.41
245/30-16
d=21.79
w=2.89
245/35-16
d=22.75
w=3.38
245/40-16
d=23.72
w=3.86
245/45-16
d=24.68
w=4.34
245/50-16
d=25.65
w=4.82
245/55-16
d=26.61
w=5.31
245/60-16
d=27.57
w=5.79
245/65-16
d=28.54
w=6.27
245/70-16
d=29.50
w=6.75
245/75-16
d=30.47
w=7.23
245/80-16
d=31.43
w=7.72
245/85-16
d=32.40
w=8.20
255
255/25-16
d=21.02
w=2.51
255/30-16
d=22.02
w=3.01
255/35-16
d=23.03
w=3.51
255/40-16
d=24.03
w=4.02
255/45-16
d=25.04
w=4.52
255/50-16
d=26.04
w=5.02
255/55-16
d=27.04
w=5.52
255/60-16
d=28.05
w=6.02
255/65-16
d=29.05
w=6.53
255/70-16
d=30.06
w=7.03
255/75-16
d=31.06
w=7.53
255/80-16
d=32.06
w=8.03
255/85-16
d=33.07
w=8.53
265
265/25-16
d=21.22
w=2.61
265/30-16
d=22.26
w=3.13
265/35-16
d=23.30
w=3.65
265/40-16
d=24.35
w=4.17
265/45-16
d=25.39
w=4.69
265/50-16
d=26.43
w=5.22
265/55-16
d=27.48
w=5.74
265/60-16
d=28.52
w=6.26
265/65-16
d=29.56
w=6.78
265/70-16
d=30.61
w=7.30
265/75-16
d=31.65
w=7.82
265/80-16
d=32.69
w=8.35
265/85-16
d=33.74
w=8.87
275
275/25-16
d=21.41
w=2.71
275/30-16
d=22.50
w=3.25
275/35-16
d=23.58
w=3.79
275/40-16
d=24.66
w=4.33
275/45-16
d=25.74
w=4.87
275/50-16
d=26.83
w=5.41
275/55-16
d=27.91
w=5.95
275/60-16
d=28.99
w=6.50
275/65-16
d=30.07
w=7.04
275/70-16
d=31.16
w=7.58
275/75-16
d=32.24
w=8.12
275/80-16
d=33.32
w=8.66
275/85-16
d=34.41
w=9.20
285
285/25-16
d=21.61
w=2.81
285/30-16
d=22.73
w=3.37
285/35-16
d=23.85
w=3.93
285/40-16
d=24.98
w=4.49
285/45-16
d=26.10
w=5.05
285/50-16
d=27.22
w=5.61
285/55-16
d=28.34
w=6.17
285/60-16
d=29.46
w=6.73
285/65-16
d=30.59
w=7.29
285/70-16
d=31.71
w=7.85
285/75-16
d=32.83
w=8.42
285/80-16
d=33.95
w=8.98
285/85-16
d=35.07
w=9.54
295
295/25-16
d=21.81
w=2.90
295/30-16
d=22.97
w=3.48
295/35-16
d=24.13
w=4.06
295/40-16
d=25.29
w=4.65
295/45-16
d=26.45
w=5.23
295/50-16
d=27.61
w=5.81
295/55-16
d=28.78
w=6.39
295/60-16
d=29.94
w=6.97
295/65-16
d=31.10
w=7.55
295/70-16
d=32.26
w=8.13
295/75-16
d=33.42
w=8.71
295/80-16
d=34.58
w=9.29
295/85-16
d=35.74
w=9.87
305
305/25-16
d=22.00
w=3.00
305/30-16
d=23.20
w=3.60
305/35-16
d=24.41
w=4.20
305/40-16
d=25.61
w=4.80
305/45-16
d=26.81
w=5.40
305/50-16
d=28.01
w=6.00
305/55-16
d=29.21
w=6.60
305/60-16
d=30.41
w=7.20
305/65-16
d=31.61
w=7.81
305/70-16
d=32.81
w=8.41
305/75-16
d=34.01
w=9.01
305/80-16
d=35.21
w=9.61
305/85-16
d=36.41
w=10.21
315
315/25-16
d=22.20
w=3.10
315/30-16
d=23.44
w=3.72
315/35-16
d=24.68
w=4.34
315/40-16
d=25.92
w=4.96
315/45-16
d=27.16
w=5.58
315/50-16
d=28.40
w=6.20
315/55-16
d=29.64
w=6.82
315/60-16
d=30.88
w=7.44
315/65-16
d=32.12
w=8.06
315/70-16
d=33.36
w=8.68
315/75-16
d=34.60
w=9.30
315/80-16
d=35.84
w=9.92
315/85-16
d=37.08
w=10.54
325
325/25-16
d=22.40
w=3.20
325/30-16
d=23.68
w=3.84
325/35-16
d=24.96
w=4.48
325/40-16
d=26.24
w=5.12
325/45-16
d=27.52
w=5.76
325/50-16
d=28.80
w=6.40
325/55-16
d=30.07
w=7.04
325/60-16
d=31.35
w=7.68
325/65-16
d=32.63
w=8.32
325/70-16
d=33.91
w=8.96
325/75-16
d=35.19
w=9.60
325/80-16
d=36.47
w=10.24
325/85-16
d=37.75
w=10.88
335
335/25-16
d=22.59
w=3.30
335/30-16
d=23.91
w=3.96
335/35-16
d=25.23
w=4.62
335/40-16
d=26.55
w=5.28
335/45-16
d=27.87
w=5.94
335/50-16
d=29.19
w=6.59
335/55-16
d=30.51
w=7.25
335/60-16
d=31.83
w=7.91
335/65-16
d=33.15
w=8.57
335/70-16
d=34.46
w=9.23
335/75-16
d=35.78
w=9.89
335/80-16
d=37.10
w=10.55
335/85-16
d=38.42
w=11.21
Wheel Size 16.5
Wheel Size 17
Wheel Size 18
Wheel Size 19
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
Wheel Size 20
Wheel Size 21

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!