Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 35/12.5-17 | 305/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.03 (889.72) | 33.81 (858.8) | -1.22 (-30.92) -3.5% |
| Width inches (mm) | 12.52 (318) | 12.01 (305) | -0.51 (-13) -4.1% |
| Circum. inches (mm) | 110.04 (2795.14) | 106.22 (2698) | -3.82 (-97.14) -3.5% |
| Sidewall Height inches (mm) | 9.01 (228.96) | 8.41 (213.5) | -0.61 (-15.46) -6.8% |
| Revolutions per mile (km) | 575.77 (357.76) | 596.5 (370.64) | 20.73 (12.88) 3.6% |
305/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.3 mph (31.07 km/h) |
| 25 mph (40.23 km/h) | 24.13 mph (38.84 km/h) |
| 30 mph (48.28 km/h) | 28.96 mph (46.6 km/h) |
| 35 mph (56.33 km/h) | 33.78 mph (54.37 km/h) |
| 40 mph (64.37 km/h) | 38.61 mph (62.14 km/h) |
| 45 mph (72.42 km/h) | 43.44 mph (69.9 km/h) |
| 50 mph (80.47 km/h) | 48.26 mph (77.67 km/h) |
| 55 mph (88.51 km/h) | 53.09 mph (85.44 km/h) |
| 60 mph (96.56 km/h) | 57.91 mph (93.21 km/h) |
| 65 mph (104.61 km/h) | 62.74 mph (100.97 km/h) |
| 70 mph (112.65 km/h) | 67.57 mph (108.74 km/h) |
| 75 mph (120.7 km/h) | 72.39 mph (116.51 km/h) |
| 80 mph (128.75 km/h) | 77.22 mph (124.27 km/h) |
| 85 mph (136.79 km/h) | 82.05 mph (132.04 km/h) |
| 90 mph (144.84 km/h) | 86.87 mph (139.81 km/h) |
| 95 mph (152.89 km/h) | 91.7 mph (147.57 km/h) |
| 100 mph (160.93 km/h) | 96.52 mph (155.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1518 | 1763 | 1899 | 1983 | 2073 | 2138 | 2209 | 2293 | 2409 | 2526 | 2655 | 2758 | 2946 | 3152 | 3314 | 3417 | 3475 | 3688 | 3985 | 4631 |
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