Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12.5-16.5 | 315/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.03 (838.86) | 34.6 (878.9) | 1.58 (40.04) 4.8% |
| Width inches (mm) | 12.52 (318) | 12.4 (315) | -0.12 (-3) -0.9% |
| Circum. inches (mm) | 103.75 (2635.36) | 108.71 (2761.15) | 4.95 (125.79) 4.8% |
| Sidewall Height inches (mm) | 8.26 (209.88) | 9.3 (236.25) | 1.04 (26.37) 12.6% |
| Revolutions per mile (km) | 610.67 (379.45) | 582.85 (362.17) | -27.82 (-17.29) -4.6% |
315/75-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.95 mph (33.72 km/h) |
| 25 mph (40.23 km/h) | 26.19 mph (42.15 km/h) |
| 30 mph (48.28 km/h) | 31.43 mph (50.58 km/h) |
| 35 mph (56.33 km/h) | 36.67 mph (59.02 km/h) |
| 40 mph (64.37 km/h) | 41.91 mph (67.45 km/h) |
| 45 mph (72.42 km/h) | 47.15 mph (75.88 km/h) |
| 50 mph (80.47 km/h) | 52.39 mph (84.31 km/h) |
| 55 mph (88.51 km/h) | 57.63 mph (92.74 km/h) |
| 60 mph (96.56 km/h) | 62.86 mph (101.17 km/h) |
| 65 mph (104.61 km/h) | 68.1 mph (109.6 km/h) |
| 70 mph (112.65 km/h) | 73.34 mph (118.03 km/h) |
| 75 mph (120.7 km/h) | 78.58 mph (126.46 km/h) |
| 80 mph (128.75 km/h) | 83.82 mph (134.89 km/h) |
| 85 mph (136.79 km/h) | 89.06 mph (143.32 km/h) |
| 90 mph (144.84 km/h) | 94.3 mph (151.75 km/h) |
| 95 mph (152.89 km/h) | 99.53 mph (160.19 km/h) |
| 100 mph (160.93 km/h) | 104.77 mph (168.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1483 | 1723 | 1856 | 1938 | 2026 | 2089 | 2159 | 2241 | 2354 | 2468 | 2594 | 2695 | 2878 | 3080 | 3238 | 3339 | 3396 | 3604 | 3894 | 4525 |
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