Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12.5-17 | 315/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.03 (838.84) | 34.36 (872.8) | 1.34 (33.96) 4% |
| Width inches (mm) | 12.52 (318) | 12.4 (315) | -0.12 (-3) -0.9% |
| Circum. inches (mm) | 103.75 (2635.29) | 107.95 (2741.98) | 4.2 (106.69) 4% |
| Sidewall Height inches (mm) | 8.01 (203.52) | 8.68 (220.5) | 0.67 (16.98) 8.3% |
| Revolutions per mile (km) | 610.69 (379.46) | 586.93 (364.7) | -23.76 (-14.76) -3.9% |
315/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.81 mph (33.49 km/h) |
| 25 mph (40.23 km/h) | 26.01 mph (41.86 km/h) |
| 30 mph (48.28 km/h) | 31.21 mph (50.24 km/h) |
| 35 mph (56.33 km/h) | 36.42 mph (58.61 km/h) |
| 40 mph (64.37 km/h) | 41.62 mph (66.98 km/h) |
| 45 mph (72.42 km/h) | 46.82 mph (75.35 km/h) |
| 50 mph (80.47 km/h) | 52.02 mph (83.73 km/h) |
| 55 mph (88.51 km/h) | 57.23 mph (92.1 km/h) |
| 60 mph (96.56 km/h) | 62.43 mph (100.47 km/h) |
| 65 mph (104.61 km/h) | 67.63 mph (108.84 km/h) |
| 70 mph (112.65 km/h) | 72.83 mph (117.22 km/h) |
| 75 mph (120.7 km/h) | 78.04 mph (125.59 km/h) |
| 80 mph (128.75 km/h) | 83.24 mph (133.96 km/h) |
| 85 mph (136.79 km/h) | 88.44 mph (142.33 km/h) |
| 90 mph (144.84 km/h) | 93.64 mph (150.71 km/h) |
| 95 mph (152.89 km/h) | 98.85 mph (159.08 km/h) |
| 100 mph (160.93 km/h) | 104.05 mph (167.45 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1494 | 1735 | 1869 | 1951 | 2040 | 2104 | 2174 | 2256 | 2371 | 2485 | 2612 | 2714 | 2898 | 3102 | 3261 | 3362 | 3419 | 3629 | 3922 | 4557 |
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