Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/45-20 | 285/45-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.1 (764.5) | 32.1 (815.3) | 2 (50.8) 6.6% |
| Width inches (mm) | 11.22 (285) | 11.22 (285) | 0 (0) 0% |
| Circum. inches (mm) | 94.56 (2401.75) | 100.84 (2561.34) | 6.28 (159.59) 6.6% |
| Sidewall Height inches (mm) | 5.05 (128.25) | 5.05 (128.25) | 0 (0) 0% |
| Revolutions per mile (km) | 670.07 (416.36) | 628.32 (390.42) | -41.75 (-25.94) -6.2% |
285/45-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.33 mph (34.33 km/h) |
| 25 mph (40.23 km/h) | 26.66 mph (42.91 km/h) |
| 30 mph (48.28 km/h) | 31.99 mph (51.49 km/h) |
| 35 mph (56.33 km/h) | 37.33 mph (60.07 km/h) |
| 40 mph (64.37 km/h) | 42.66 mph (68.65 km/h) |
| 45 mph (72.42 km/h) | 47.99 mph (77.23 km/h) |
| 50 mph (80.47 km/h) | 53.32 mph (85.81 km/h) |
| 55 mph (88.51 km/h) | 58.65 mph (94.4 km/h) |
| 60 mph (96.56 km/h) | 63.99 mph (102.98 km/h) |
| 65 mph (104.61 km/h) | 69.32 mph (111.56 km/h) |
| 70 mph (112.65 km/h) | 74.65 mph (120.14 km/h) |
| 75 mph (120.7 km/h) | 79.98 mph (128.72 km/h) |
| 80 mph (128.75 km/h) | 85.32 mph (137.3 km/h) |
| 85 mph (136.79 km/h) | 90.65 mph (145.88 km/h) |
| 90 mph (144.84 km/h) | 95.98 mph (154.47 km/h) |
| 95 mph (152.89 km/h) | 101.31 mph (163.05 km/h) |
| 100 mph (160.93 km/h) | 106.64 mph (171.63 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1599 | 1858 | 2000 | 2089 | 2184 | 2252 | 2327 | 2415 | 2538 | 2660 | 2796 | 2905 | 3103 | 3320 | 3490 | 3599 | 3661 | 3885 | 4198 | 4879 |
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