Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/70-17 | 305/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.36 (872.8) | 32.81 (833.4) | -1.55 (-39.4) -4.5% |
| Width inches (mm) | 12.4 (315) | 12.01 (305) | -0.39 (-10) -3.2% |
| Circum. inches (mm) | 107.95 (2741.98) | 103.08 (2618.2) | -4.87 (-123.78) -4.5% |
| Sidewall Height inches (mm) | 8.68 (220.5) | 8.41 (213.5) | -0.28 (-7) -3.2% |
| Revolutions per mile (km) | 586.93 (364.7) | 614.67 (381.94) | 27.75 (17.24) 4.7% |
305/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.1 mph (30.73 km/h) |
| 25 mph (40.23 km/h) | 23.87 mph (38.42 km/h) |
| 30 mph (48.28 km/h) | 28.65 mph (46.1 km/h) |
| 35 mph (56.33 km/h) | 33.42 mph (53.78 km/h) |
| 40 mph (64.37 km/h) | 38.19 mph (61.47 km/h) |
| 45 mph (72.42 km/h) | 42.97 mph (69.15 km/h) |
| 50 mph (80.47 km/h) | 47.74 mph (76.83 km/h) |
| 55 mph (88.51 km/h) | 52.52 mph (84.52 km/h) |
| 60 mph (96.56 km/h) | 57.29 mph (92.2 km/h) |
| 65 mph (104.61 km/h) | 62.07 mph (99.89 km/h) |
| 70 mph (112.65 km/h) | 66.84 mph (107.57 km/h) |
| 75 mph (120.7 km/h) | 71.61 mph (115.25 km/h) |
| 80 mph (128.75 km/h) | 76.39 mph (122.94 km/h) |
| 85 mph (136.79 km/h) | 81.16 mph (130.62 km/h) |
| 90 mph (144.84 km/h) | 85.94 mph (138.3 km/h) |
| 95 mph (152.89 km/h) | 90.71 mph (145.99 km/h) |
| 100 mph (160.93 km/h) | 95.49 mph (153.67 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1564 | 1817 | 1957 | 2043 | 2137 | 2203 | 2276 | 2363 | 2483 | 2603 | 2736 | 2842 | 3035 | 3248 | 3415 | 3521 | 3581 | 3801 | 4107 | 4773 |
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