Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 37/12.5-18 | 315/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.03 (940.56) | 34.6 (878.9) | -2.43 (-61.66) -6.6% |
| Width inches (mm) | 12.52 (318) | 12.4 (315) | -0.12 (-3) -0.9% |
| Circum. inches (mm) | 116.33 (2954.86) | 108.71 (2761.15) | -7.63 (-193.71) -6.6% |
| Sidewall Height inches (mm) | 9.51 (241.68) | 9.3 (236.25) | -0.21 (-5.43) -2.2% |
| Revolutions per mile (km) | 544.64 (338.43) | 582.85 (362.17) | 38.21 (23.74) 7% |
315/75-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.69 mph (30.08 km/h) |
| 25 mph (40.23 km/h) | 23.36 mph (37.6 km/h) |
| 30 mph (48.28 km/h) | 28.03 mph (45.12 km/h) |
| 35 mph (56.33 km/h) | 32.71 mph (52.63 km/h) |
| 40 mph (64.37 km/h) | 37.38 mph (60.15 km/h) |
| 45 mph (72.42 km/h) | 42.05 mph (67.67 km/h) |
| 50 mph (80.47 km/h) | 46.72 mph (75.19 km/h) |
| 55 mph (88.51 km/h) | 51.39 mph (82.71 km/h) |
| 60 mph (96.56 km/h) | 56.07 mph (90.23 km/h) |
| 65 mph (104.61 km/h) | 60.74 mph (97.75 km/h) |
| 70 mph (112.65 km/h) | 65.41 mph (105.27 km/h) |
| 75 mph (120.7 km/h) | 70.08 mph (112.79 km/h) |
| 80 mph (128.75 km/h) | 74.76 mph (120.31 km/h) |
| 85 mph (136.79 km/h) | 79.43 mph (127.83 km/h) |
| 90 mph (144.84 km/h) | 84.1 mph (135.35 km/h) |
| 95 mph (152.89 km/h) | 88.77 mph (142.87 km/h) |
| 100 mph (160.93 km/h) | 93.44 mph (150.38 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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