Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/45-22 | 285/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.1 (815.3) | 32.71 (830.8) | 0.61 (15.5) 1.9% |
| Width inches (mm) | 11.22 (285) | 11.22 (285) | 0 (0) 0% |
| Circum. inches (mm) | 100.84 (2561.34) | 102.76 (2610.04) | 1.92 (48.69) 1.9% |
| Sidewall Height inches (mm) | 5.05 (128.25) | 7.85 (199.5) | 2.81 (71.25) 55.6% |
| Revolutions per mile (km) | 628.32 (390.42) | 616.6 (383.14) | -11.72 (-7.28) -1.9% |
285/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.38 mph (32.8 km/h) |
| 25 mph (40.23 km/h) | 25.48 mph (41 km/h) |
| 30 mph (48.28 km/h) | 30.57 mph (49.2 km/h) |
| 35 mph (56.33 km/h) | 35.67 mph (57.4 km/h) |
| 40 mph (64.37 km/h) | 40.76 mph (65.6 km/h) |
| 45 mph (72.42 km/h) | 45.86 mph (73.8 km/h) |
| 50 mph (80.47 km/h) | 50.95 mph (82 km/h) |
| 55 mph (88.51 km/h) | 56.05 mph (90.2 km/h) |
| 60 mph (96.56 km/h) | 61.14 mph (98.4 km/h) |
| 65 mph (104.61 km/h) | 66.24 mph (106.6 km/h) |
| 70 mph (112.65 km/h) | 71.33 mph (114.8 km/h) |
| 75 mph (120.7 km/h) | 76.43 mph (123 km/h) |
| 80 mph (128.75 km/h) | 81.52 mph (131.2 km/h) |
| 85 mph (136.79 km/h) | 86.62 mph (139.4 km/h) |
| 90 mph (144.84 km/h) | 91.71 mph (147.59 km/h) |
| 95 mph (152.89 km/h) | 96.81 mph (155.79 km/h) |
| 100 mph (160.93 km/h) | 101.9 mph (163.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1569 | 1823 | 1963 | 2050 | 2143 | 2210 | 2284 | 2370 | 2491 | 2611 | 2744 | 2851 | 3045 | 3258 | 3425 | 3532 | 3592 | 3813 | 4120 | 4788 |
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