| Code | Difference | = 50mph | 1000miles = | Diameter | Wall,in | Wall,mm |
|---|---|---|---|---|---|---|
| 205/50-16 | 0.00 % | 50.00 | 1,000.00 | 24.07 | 4.04 | 102.50 |
| 255/40-16 | -0.16 % | 49.92 | 1,001.64 | 24.03 | 4.02 | 102.00 |
| 185/55-16 | -0.25 % | 49.88 | 1,002.45 | 24.01 | 4.01 | 101.75 |
| 295/35-16 | +0.25 % | 50.12 | 997.55 | 24.13 | 4.06 | 103.25 |
| 145/70-16 | -0.33 % | 49.84 | 1,003.27 | 23.99 | 4.00 | 101.50 |
| 225/45-16 | -0.41 % | 49.80 | 1,004.09 | 23.97 | 3.99 | 101.25 |
| 155/65-16 | -0.57 % | 49.71 | 1,005.72 | 23.93 | 3.97 | 100.75 |
| 335/30-16 | -0.65 % | 49.67 | 1,006.54 | 23.91 | 3.96 | 100.50 |
| 175/60-16 | +0.82 % | 50.41 | 991.82 | 24.27 | 4.13 | 105.00 |
| 285/35-16 | -0.90 % | 49.55 | 1,009.00 | 23.85 | 3.93 | 99.75 |
| 235/45-16 | +1.06 % | 50.53 | 989.37 | 24.33 | 4.16 | 105.75 |
| 165/60-16 | -1.14 % | 49.43 | 1,011.45 | 23.80 | 3.90 | 99.00 |
| 265/40-16 | +1.14 % | 50.57 | 988.55 | 24.35 | 4.17 | 106.00 |
| 305/35-16 | +1.39 % | 50.70 | 986.10 | 24.41 | 4.20 | 106.75 |
| 245/40-16 | -1.47 % | 49.26 | 1,014.72 | 23.72 | 3.86 | 98.00 |
| 195/55-16 | +1.55 % | 50.78 | 984.46 | 24.44 | 4.22 | 107.25 |
| 165/65-16 | +1.55 % | 50.78 | 984.46 | 24.44 | 4.22 | 107.25 |
| 325/30-16 | -1.64 % | 49.18 | 1,016.36 | 23.68 | 3.84 | 97.50 |
| 195/50-16 | -1.64 % | 49.18 | 1,016.36 | 23.68 | 3.84 | 97.50 |
| 215/50-16 | +1.64 % | 50.82 | 983.64 | 24.46 | 4.23 | 107.50 |
| 215/45-16 | -1.88 % | 49.06 | 1,018.81 | 23.62 | 3.81 | 96.75 |
| 155/70-16 | +1.96 % | 50.98 | 980.37 | 24.54 | 4.27 | 108.50 |
| 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
-21.67%
|
145/30-16
d=19.43
w=1.71
-19.30%
|
145/35-16
d=20.00
w=2.00
-16.93%
|
145/40-16
d=20.57
w=2.28
-14.56%
|
145/45-16
d=21.14
w=2.57
-12.19%
|
145/50-16
d=21.71
w=2.85
-9.81%
|
145/55-16
d=22.28
w=3.14
-7.44%
|
145/60-16
d=22.85
w=3.43
-5.07%
|
145/65-16
d=23.42
w=3.71
-2.70%
|
145/70-16
d=23.99
w=4.00
-0.33%
|
145/75-16
d=24.56
w=4.28
+2.04%
|
145/80-16
d=25.13
w=4.57
+4.42%
|
145/85-16
d=25.70
w=4.85
+6.79%
|
| 155 |
155/25-16
d=19.05
w=1.53
-20.85%
|
155/30-16
d=19.66
w=1.83
-18.32%
|
155/35-16
d=20.27
w=2.14
-15.78%
|
155/40-16
d=20.88
w=2.44
-13.25%
|
155/45-16
d=21.49
w=2.75
-10.71%
|
155/50-16
d=22.10
w=3.05
-8.18%
|
155/55-16
d=22.71
w=3.36
-5.64%
|
155/60-16
d=23.32
w=3.66
-3.11%
|
155/65-16
d=23.93
w=3.97
-0.57%
|
155/70-16
d=24.54
w=4.27
+1.96%
|
155/75-16
d=25.15
w=4.58
+4.50%
|
155/80-16
d=25.76
w=4.88
+7.03%
|
155/85-16
d=26.37
w=5.19
+9.57%
|
| 165 |
165/25-16
d=19.25
w=1.62
-20.04%
|
165/30-16
d=19.90
w=1.95
-17.34%
|
165/35-16
d=20.55
w=2.27
-14.64%
|
165/40-16
d=21.20
w=2.60
-11.94%
|
165/45-16
d=21.85
w=2.92
-9.24%
|
165/50-16
d=22.50
w=3.25
-6.54%
|
165/55-16
d=23.15
w=3.57
-3.84%
|
165/60-16
d=23.80
w=3.90
-1.14%
|
165/65-16
d=24.44
w=4.22
+1.55%
|
165/70-16
d=25.09
w=4.55
+4.25%
|
165/75-16
d=25.74
w=4.87
+6.95%
|
165/80-16
d=26.39
w=5.20
+9.65%
|
165/85-16
d=27.04
w=5.52
+12.35%
|
| 175 |
175/25-16
d=19.44
w=1.72
-19.22%
|
175/30-16
d=20.13
w=2.07
-16.36%
|
175/35-16
d=20.82
w=2.41
-13.49%
|
175/40-16
d=21.51
w=2.76
-10.63%
|
175/45-16
d=22.20
w=3.10
-7.77%
|
175/50-16
d=22.89
w=3.44
-4.91%
|
175/55-16
d=23.58
w=3.79
-2.04%
|
175/60-16
d=24.27
w=4.13
+0.82%
|
175/65-16
d=24.96
w=4.48
+3.68%
|
175/70-16
d=25.65
w=4.82
+6.54%
|
175/75-16
d=26.33
w=5.17
+9.40%
|
175/80-16
d=27.02
w=5.51
+12.27%
|
175/85-16
d=27.71
w=5.86
+15.13%
|
| 185 |
185/25-16
d=19.64
w=1.82
-18.40%
|
185/30-16
d=20.37
w=2.19
-15.37%
|
185/35-16
d=21.10
w=2.55
-12.35%
|
185/40-16
d=21.83
w=2.91
-9.32%
|
185/45-16
d=22.56
w=3.28
-6.30%
|
185/50-16
d=23.28
w=3.64
-3.27%
|
185/55-16
d=24.01
w=4.01
-0.25%
|
185/60-16
d=24.74
w=4.37
+2.78%
|
185/65-16
d=25.47
w=4.73
+5.81%
|
185/70-16
d=26.20
w=5.10
+8.83%
|
185/75-16
d=26.93
w=5.46
+11.86%
|
185/80-16
d=27.65
w=5.83
+14.88%
|
185/85-16
d=28.38
w=6.19
+17.91%
|
| 195 |
195/25-16
d=19.84
w=1.92
-17.58%
|
195/30-16
d=20.61
w=2.30
-14.39%
|
195/35-16
d=21.37
w=2.69
-11.20%
|
195/40-16
d=22.14
w=3.07
-8.01%
|
195/45-16
d=22.91
w=3.45
-4.82%
|
195/50-16
d=23.68
w=3.84
-1.64%
|
195/55-16
d=24.44
w=4.22
+1.55%
|
195/60-16
d=25.21
w=4.61
+4.74%
|
195/65-16
d=25.98
w=4.99
+7.93%
|
195/70-16
d=26.75
w=5.37
+11.12%
|
195/75-16
d=27.52
w=5.76
+14.31%
|
195/80-16
d=28.28
w=6.14
+17.50%
|
195/85-16
d=29.05
w=6.53
+20.69%
|
| 205 |
205/25-16
d=20.04
w=2.02
-16.76%
|
205/30-16
d=20.84
w=2.42
-13.41%
|
205/35-16
d=21.65
w=2.82
-10.06%
|
205/40-16
d=22.46
w=3.23
-6.71%
|
205/45-16
d=23.26
w=3.63
-3.35%
|
205/50-16
d=24.07
w=4.04
0.00%
|
205/55-16
d=24.88
w=4.44
+3.35%
|
205/60-16
d=25.69
w=4.84
+6.71%
|
205/65-16
d=26.49
w=5.25
+10.06%
|
205/70-16
d=27.30
w=5.65
+13.41%
|
205/75-16
d=28.11
w=6.05
+16.76%
|
205/80-16
d=28.91
w=6.46
+20.12%
|
205/85-16
d=29.72
w=6.86
+23.47%
|
| 215 |
215/25-16
d=20.23
w=2.12
-15.95%
|
215/30-16
d=21.08
w=2.54
-12.43%
|
215/35-16
d=21.93
w=2.96
-8.91%
|
215/40-16
d=22.77
w=3.39
-5.40%
|
215/45-16
d=23.62
w=3.81
-1.88%
|
215/50-16
d=24.46
w=4.23
+1.64%
|
215/55-16
d=25.31
w=4.66
+5.15%
|
215/60-16
d=26.16
w=5.08
+8.67%
|
215/65-16
d=27.00
w=5.50
+12.19%
|
215/70-16
d=27.85
w=5.93
+15.70%
|
215/75-16
d=28.70
w=6.35
+19.22%
|
215/80-16
d=29.54
w=6.77
+22.73%
|
215/85-16
d=30.39
w=7.19
+26.25%
|
| 225 |
225/25-16
d=20.43
w=2.21
-15.13%
|
225/30-16
d=21.31
w=2.66
-11.45%
|
225/35-16
d=22.20
w=3.10
-7.77%
|
225/40-16
d=23.09
w=3.54
-4.09%
|
225/45-16
d=23.97
w=3.99
-0.41%
|
225/50-16
d=24.86
w=4.43
+3.27%
|
225/55-16
d=25.74
w=4.87
+6.95%
|
225/60-16
d=26.63
w=5.31
+10.63%
|
225/65-16
d=27.52
w=5.76
+14.31%
|
225/70-16
d=28.40
w=6.20
+17.99%
|
225/75-16
d=29.29
w=6.64
+21.67%
|
225/80-16
d=30.17
w=7.09
+25.35%
|
225/85-16
d=31.06
w=7.53
+29.03%
|
| 235 |
235/25-16
d=20.63
w=2.31
-14.31%
|
235/30-16
d=21.55
w=2.78
-10.47%
|
235/35-16
d=22.48
w=3.24
-6.62%
|
235/40-16
d=23.40
w=3.70
-2.78%
|
235/45-16
d=24.33
w=4.16
+1.06%
|
235/50-16
d=25.25
w=4.63
+4.91%
|
235/55-16
d=26.18
w=5.09
+8.75%
|
235/60-16
d=27.10
w=5.55
+12.59%
|
235/65-16
d=28.03
w=6.01
+16.44%
|
235/70-16
d=28.95
w=6.48
+20.28%
|
235/75-16
d=29.88
w=6.94
+24.12%
|
235/80-16
d=30.80
w=7.40
+27.97%
|
235/85-16
d=31.73
w=7.86
+31.81%
|
| 245 |
245/25-16
d=20.82
w=2.41
-13.49%
|
245/30-16
d=21.79
w=2.89
-9.49%
|
245/35-16
d=22.75
w=3.38
-5.48%
|
245/40-16
d=23.72
w=3.86
-1.47%
|
245/45-16
d=24.68
w=4.34
+2.54%
|
245/50-16
d=25.65
w=4.82
+6.54%
|
245/55-16
d=26.61
w=5.31
+10.55%
|
245/60-16
d=27.57
w=5.79
+14.56%
|
245/65-16
d=28.54
w=6.27
+18.56%
|
245/70-16
d=29.50
w=6.75
+22.57%
|
245/75-16
d=30.47
w=7.23
+26.58%
|
245/80-16
d=31.43
w=7.72
+30.59%
|
245/85-16
d=32.40
w=8.20
+34.59%
|
| 255 |
255/25-16
d=21.02
w=2.51
-12.68%
|
255/30-16
d=22.02
w=3.01
-8.51%
|
255/35-16
d=23.03
w=3.51
-4.33%
|
255/40-16
d=24.03
w=4.02
-0.16%
|
255/45-16
d=25.04
w=4.52
+4.01%
|
255/50-16
d=26.04
w=5.02
+8.18%
|
255/55-16
d=27.04
w=5.52
+12.35%
|
255/60-16
d=28.05
w=6.02
+16.52%
|
255/65-16
d=29.05
w=6.53
+20.69%
|
255/70-16
d=30.06
w=7.03
+24.86%
|
255/75-16
d=31.06
w=7.53
+29.03%
|
255/80-16
d=32.06
w=8.03
+33.20%
|
255/85-16
d=33.07
w=8.53
+37.37%
|
| 265 |
265/25-16
d=21.22
w=2.61
-11.86%
|
265/30-16
d=22.26
w=3.13
-7.52%
|
265/35-16
d=23.30
w=3.65
-3.19%
|
265/40-16
d=24.35
w=4.17
+1.14%
|
265/45-16
d=25.39
w=4.69
+5.48%
|
265/50-16
d=26.43
w=5.22
+9.81%
|
265/55-16
d=27.48
w=5.74
+14.15%
|
265/60-16
d=28.52
w=6.26
+18.48%
|
265/65-16
d=29.56
w=6.78
+22.82%
|
265/70-16
d=30.61
w=7.30
+27.15%
|
265/75-16
d=31.65
w=7.82
+31.49%
|
265/80-16
d=32.69
w=8.35
+35.82%
|
265/85-16
d=33.74
w=8.87
+40.15%
|
| 275 |
275/25-16
d=21.41
w=2.71
-11.04%
|
275/30-16
d=22.50
w=3.25
-6.54%
|
275/35-16
d=23.58
w=3.79
-2.04%
|
275/40-16
d=24.66
w=4.33
+2.45%
|
275/45-16
d=25.74
w=4.87
+6.95%
|
275/50-16
d=26.83
w=5.41
+11.45%
|
275/55-16
d=27.91
w=5.95
+15.95%
|
275/60-16
d=28.99
w=6.50
+20.44%
|
275/65-16
d=30.07
w=7.04
+24.94%
|
275/70-16
d=31.16
w=7.58
+29.44%
|
275/75-16
d=32.24
w=8.12
+33.94%
|
275/80-16
d=33.32
w=8.66
+38.44%
|
275/85-16
d=34.41
w=9.20
+42.93%
|
| 285 |
285/25-16
d=21.61
w=2.81
-10.22%
|
285/30-16
d=22.73
w=3.37
-5.56%
|
285/35-16
d=23.85
w=3.93
-0.90%
|
285/40-16
d=24.98
w=4.49
+3.76%
|
285/45-16
d=26.10
w=5.05
+8.42%
|
285/50-16
d=27.22
w=5.61
+13.08%
|
285/55-16
d=28.34
w=6.17
+17.75%
|
285/60-16
d=29.46
w=6.73
+22.41%
|
285/65-16
d=30.59
w=7.29
+27.07%
|
285/70-16
d=31.71
w=7.85
+31.73%
|
285/75-16
d=32.83
w=8.42
+36.39%
|
285/80-16
d=33.95
w=8.98
+41.05%
|
285/85-16
d=35.07
w=9.54
+45.71%
|
| 295 |
295/25-16
d=21.81
w=2.90
-9.40%
|
295/30-16
d=22.97
w=3.48
-4.58%
|
295/35-16
d=24.13
w=4.06
+0.25%
|
295/40-16
d=25.29
w=4.65
+5.07%
|
295/45-16
d=26.45
w=5.23
+9.90%
|
295/50-16
d=27.61
w=5.81
+14.72%
|
295/55-16
d=28.78
w=6.39
+19.55%
|
295/60-16
d=29.94
w=6.97
+24.37%
|
295/65-16
d=31.10
w=7.55
+29.20%
|
295/70-16
d=32.26
w=8.13
+34.02%
|
295/75-16
d=33.42
w=8.71
+38.85%
|
295/80-16
d=34.58
w=9.29
+43.67%
|
295/85-16
d=35.74
w=9.87
+48.50%
|
| 305 |
305/25-16
d=22.00
w=3.00
-8.59%
|
305/30-16
d=23.20
w=3.60
-3.60%
|
305/35-16
d=24.41
w=4.20
+1.39%
|
305/40-16
d=25.61
w=4.80
+6.38%
|
305/45-16
d=26.81
w=5.40
+11.37%
|
305/50-16
d=28.01
w=6.00
+16.36%
|
305/55-16
d=29.21
w=6.60
+21.34%
|
305/60-16
d=30.41
w=7.20
+26.33%
|
305/65-16
d=31.61
w=7.81
+31.32%
|
305/70-16
d=32.81
w=8.41
+36.31%
|
305/75-16
d=34.01
w=9.01
+41.30%
|
305/80-16
d=35.21
w=9.61
+46.29%
|
305/85-16
d=36.41
w=10.21
+51.28%
|
| 315 |
315/25-16
d=22.20
w=3.10
-7.77%
|
315/30-16
d=23.44
w=3.72
-2.62%
|
315/35-16
d=24.68
w=4.34
+2.54%
|
315/40-16
d=25.92
w=4.96
+7.69%
|
315/45-16
d=27.16
w=5.58
+12.84%
|
315/50-16
d=28.40
w=6.20
+17.99%
|
315/55-16
d=29.64
w=6.82
+23.14%
|
315/60-16
d=30.88
w=7.44
+28.30%
|
315/65-16
d=32.12
w=8.06
+33.45%
|
315/70-16
d=33.36
w=8.68
+38.60%
|
315/75-16
d=34.60
w=9.30
+43.75%
|
315/80-16
d=35.84
w=9.92
+48.90%
|
315/85-16
d=37.08
w=10.54
+54.06%
|
| 325 |
325/25-16
d=22.40
w=3.20
-6.95%
|
325/30-16
d=23.68
w=3.84
-1.64%
|
325/35-16
d=24.96
w=4.48
+3.68%
|
325/40-16
d=26.24
w=5.12
+9.00%
|
325/45-16
d=27.52
w=5.76
+14.31%
|
325/50-16
d=28.80
w=6.40
+19.63%
|
325/55-16
d=30.07
w=7.04
+24.94%
|
325/60-16
d=31.35
w=7.68
+30.26%
|
325/65-16
d=32.63
w=8.32
+35.57%
|
325/70-16
d=33.91
w=8.96
+40.89%
|
325/75-16
d=35.19
w=9.60
+46.21%
|
325/80-16
d=36.47
w=10.24
+51.52%
|
325/85-16
d=37.75
w=10.88
+56.84%
|
| 335 |
335/25-16
d=22.59
w=3.30
-6.13%
|
335/30-16
d=23.91
w=3.96
-0.65%
|
335/35-16
d=25.23
w=4.62
+4.82%
|
335/40-16
d=26.55
w=5.28
+10.30%
|
335/45-16
d=27.87
w=5.94
+15.78%
|
335/50-16
d=29.19
w=6.59
+21.26%
|
335/55-16
d=30.51
w=7.25
+26.74%
|
335/60-16
d=31.83
w=7.91
+32.22%
|
335/65-16
d=33.15
w=8.57
+37.70%
|
335/70-16
d=34.46
w=9.23
+43.18%
|
335/75-16
d=35.78
w=9.89
+48.66%
|
335/80-16
d=37.10
w=10.55
+54.14%
|
335/85-16
d=38.42
w=11.21
+59.62%
|
|
Wheel Size 16.5
|
|||||||||||||
|
Wheel Size 17
|
|||||||||||||
|
Wheel Size 18
|
|||||||||||||
|
Wheel Size 19
|
|||||||||||||
|
Wheel Size 20
|
|||||||||||||
|
Wheel Size 21
|
|||||||||||||
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!