Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/60-20 | 35/12-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.88 (886) | 35.13 (892.3) | 0.25 (6.3) 0.7% |
| Width inches (mm) | 12.4 (315) | 12.01 (305) | -0.39 (-10) -3.2% |
| Circum. inches (mm) | 109.58 (2783.45) | 110.36 (2803.24) | 0.78 (19.79) 0.7% |
| Sidewall Height inches (mm) | 7.44 (189) | 7.56 (192.15) | 0.12 (3.15) 1.7% |
| Revolutions per mile (km) | 578.18 (359.27) | 574.1 (356.73) | -4.08 (-2.54) -0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.14 mph (32.42 km/h) |
| 25 mph (40.23 km/h) | 25.18 mph (40.52 km/h) |
| 30 mph (48.28 km/h) | 30.21 mph (48.62 km/h) |
| 35 mph (56.33 km/h) | 35.25 mph (56.73 km/h) |
| 40 mph (64.37 km/h) | 40.28 mph (64.83 km/h) |
| 45 mph (72.42 km/h) | 45.32 mph (72.94 km/h) |
| 50 mph (80.47 km/h) | 50.36 mph (81.04 km/h) |
| 55 mph (88.51 km/h) | 55.39 mph (89.14 km/h) |
| 60 mph (96.56 km/h) | 60.43 mph (97.25 km/h) |
| 65 mph (104.61 km/h) | 65.46 mph (105.35 km/h) |
| 70 mph (112.65 km/h) | 70.5 mph (113.46 km/h) |
| 75 mph (120.7 km/h) | 75.53 mph (121.56 km/h) |
| 80 mph (128.75 km/h) | 80.57 mph (129.66 km/h) |
| 85 mph (136.79 km/h) | 85.6 mph (137.77 km/h) |
| 90 mph (144.84 km/h) | 90.64 mph (145.87 km/h) |
| 95 mph (152.89 km/h) | 95.68 mph (153.98 km/h) |
| 100 mph (160.93 km/h) | 100.71 mph (162.08 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1461 | 1697 | 1828 | 1909 | 1996 | 2058 | 2126 | 2207 | 2319 | 2431 | 2555 | 2655 | 2835 | 3034 | 3189 | 3289 | 3345 | 3550 | 3836 | 4458 |
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