Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/70-17 | 225/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.99 (634.8) | 25.86 (656.8) | 0.87 (22) 3.5% |
| Width inches (mm) | 5.71 (145) | 8.86 (225) | 3.15 (80) 55.2% |
| Circum. inches (mm) | 78.52 (1994.28) | 81.24 (2063.4) | 2.72 (69.12) 3.5% |
| Sidewall Height inches (mm) | 4 (101.5) | 4.43 (112.5) | 0.43 (11) 10.8% |
| Revolutions per mile (km) | 806.98 (501.43) | 779.95 (484.64) | -27.03 (-16.8) -3.3% |
225/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.69 mph (33.3 km/h) |
| 25 mph (40.23 km/h) | 25.87 mph (41.63 km/h) |
| 30 mph (48.28 km/h) | 31.04 mph (49.95 km/h) |
| 35 mph (56.33 km/h) | 36.21 mph (58.28 km/h) |
| 40 mph (64.37 km/h) | 41.39 mph (66.6 km/h) |
| 45 mph (72.42 km/h) | 46.56 mph (74.93 km/h) |
| 50 mph (80.47 km/h) | 51.73 mph (83.26 km/h) |
| 55 mph (88.51 km/h) | 56.91 mph (91.58 km/h) |
| 60 mph (96.56 km/h) | 62.08 mph (99.91 km/h) |
| 65 mph (104.61 km/h) | 67.25 mph (108.23 km/h) |
| 70 mph (112.65 km/h) | 72.43 mph (116.56 km/h) |
| 75 mph (120.7 km/h) | 77.6 mph (124.88 km/h) |
| 80 mph (128.75 km/h) | 82.77 mph (133.21 km/h) |
| 85 mph (136.79 km/h) | 87.95 mph (141.54 km/h) |
| 90 mph (144.84 km/h) | 93.12 mph (149.86 km/h) |
| 95 mph (152.89 km/h) | 98.29 mph (158.19 km/h) |
| 100 mph (160.93 km/h) | 103.47 mph (166.51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | 2306 | 2483 | 2593 | 2711 | 2796 | 2889 | 2998 | 3150 | 3302 | 3471 | 3606 | 3851 | 4122 | 4333 | 4468 | 4544 | 4823 | 5211 | 6056 |
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