Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/40-18 | 315/40-26 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.35 (669.2) | 35.92 (912.4) | 9.57 (243.2) 36.3% |
| Width inches (mm) | 10.43 (265) | 12.4 (315) | 1.97 (50) 18.9% |
| Circum. inches (mm) | 82.77 (2102.35) | 112.85 (2866.39) | 30.08 (764.04) 36.3% |
| Sidewall Height inches (mm) | 4.17 (106) | 4.96 (126) | 0.79 (20) 18.9% |
| Revolutions per mile (km) | 765.5 (475.66) | 561.45 (348.87) | -204.04 (-126.79) -26.7% |
315/40-26 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.27 mph (43.88 km/h) |
| 25 mph (40.23 km/h) | 34.09 mph (54.86 km/h) |
| 30 mph (48.28 km/h) | 40.9 mph (65.83 km/h) |
| 35 mph (56.33 km/h) | 47.72 mph (76.8 km/h) |
| 40 mph (64.37 km/h) | 54.54 mph (87.77 km/h) |
| 45 mph (72.42 km/h) | 61.35 mph (98.74 km/h) |
| 50 mph (80.47 km/h) | 68.17 mph (109.71 km/h) |
| 55 mph (88.51 km/h) | 74.99 mph (120.68 km/h) |
| 60 mph (96.56 km/h) | 81.81 mph (131.65 km/h) |
| 65 mph (104.61 km/h) | 88.62 mph (142.62 km/h) |
| 70 mph (112.65 km/h) | 95.44 mph (153.6 km/h) |
| 75 mph (120.7 km/h) | 102.26 mph (164.57 km/h) |
| 80 mph (128.75 km/h) | 109.07 mph (175.54 km/h) |
| 85 mph (136.79 km/h) | 115.89 mph (186.51 km/h) |
| 90 mph (144.84 km/h) | 122.71 mph (197.48 km/h) |
| 95 mph (152.89 km/h) | 129.52 mph (208.45 km/h) |
| 100 mph (160.93 km/h) | 136.34 mph (219.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1429 | 1660 | 1788 | 1867 | 1952 | 2012 | 2079 | 2158 | 2268 | 2377 | 2499 | 2596 | 2772 | 2967 | 3119 | 3216 | 3271 | 3472 | 3751 | 4359 |
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