Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-20 | 35/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.2 (665.5) | 35.02 (889.6) | 8.82 (224.1) 33.7% |
| Width inches (mm) | 12.4 (315) | 12.52 (318) | 0.12 (3) 1% |
| Circum. inches (mm) | 82.31 (2090.73) | 110.03 (2794.76) | 27.72 (704.03) 33.7% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 7.51 (190.8) | 4.41 (112.05) 142.3% |
| Revolutions per mile (km) | 769.75 (478.3) | 575.84 (357.81) | -193.91 (-120.49) -25.2% |
35/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.73 mph (43.03 km/h) |
| 25 mph (40.23 km/h) | 33.42 mph (53.78 km/h) |
| 30 mph (48.28 km/h) | 40.1 mph (64.54 km/h) |
| 35 mph (56.33 km/h) | 46.79 mph (75.29 km/h) |
| 40 mph (64.37 km/h) | 53.47 mph (86.05 km/h) |
| 45 mph (72.42 km/h) | 60.15 mph (96.81 km/h) |
| 50 mph (80.47 km/h) | 66.84 mph (107.56 km/h) |
| 55 mph (88.51 km/h) | 73.52 mph (118.32 km/h) |
| 60 mph (96.56 km/h) | 80.2 mph (129.08 km/h) |
| 65 mph (104.61 km/h) | 86.89 mph (139.83 km/h) |
| 70 mph (112.65 km/h) | 93.57 mph (150.59 km/h) |
| 75 mph (120.7 km/h) | 100.26 mph (161.35 km/h) |
| 80 mph (128.75 km/h) | 106.94 mph (172.1 km/h) |
| 85 mph (136.79 km/h) | 113.62 mph (182.86 km/h) |
| 90 mph (144.84 km/h) | 120.31 mph (193.61 km/h) |
| 95 mph (152.89 km/h) | 126.99 mph (204.37 km/h) |
| 100 mph (160.93 km/h) | 133.67 mph (215.13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1465 | 1702 | 1833 | 1914 | 2002 | 2064 | 2133 | 2214 | 2326 | 2438 | 2563 | 2663 | 2844 | 3043 | 3199 | 3299 | 3355 | 3561 | 3847 | 4471 |
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