Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/40-26 | 35/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.92 (912.4) | 35.02 (889.6) | -0.9 (-22.8) -2.5% |
| Width inches (mm) | 12.4 (315) | 12.52 (318) | 0.12 (3) 1% |
| Circum. inches (mm) | 112.85 (2866.39) | 110.03 (2794.76) | -2.82 (-71.63) -2.5% |
| Sidewall Height inches (mm) | 4.96 (126) | 7.51 (190.8) | 2.55 (64.8) 51.4% |
| Revolutions per mile (km) | 561.45 (348.87) | 575.84 (357.81) | 14.39 (8.94) 2.6% |
35/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.5 mph (31.38 km/h) |
| 25 mph (40.23 km/h) | 24.38 mph (39.23 km/h) |
| 30 mph (48.28 km/h) | 29.25 mph (47.07 km/h) |
| 35 mph (56.33 km/h) | 34.13 mph (54.92 km/h) |
| 40 mph (64.37 km/h) | 39 mph (62.77 km/h) |
| 45 mph (72.42 km/h) | 43.88 mph (70.61 km/h) |
| 50 mph (80.47 km/h) | 48.75 mph (78.46 km/h) |
| 55 mph (88.51 km/h) | 53.63 mph (86.3 km/h) |
| 60 mph (96.56 km/h) | 58.5 mph (94.15 km/h) |
| 65 mph (104.61 km/h) | 63.38 mph (101.99 km/h) |
| 70 mph (112.65 km/h) | 68.25 mph (109.84 km/h) |
| 75 mph (120.7 km/h) | 73.13 mph (117.68 km/h) |
| 80 mph (128.75 km/h) | 78 mph (125.53 km/h) |
| 85 mph (136.79 km/h) | 82.88 mph (133.38 km/h) |
| 90 mph (144.84 km/h) | 87.75 mph (141.22 km/h) |
| 95 mph (152.89 km/h) | 92.63 mph (149.07 km/h) |
| 100 mph (160.93 km/h) | 97.5 mph (156.91 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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