Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/40-22 | 285/45-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.24 (818.8) | 32.1 (815.3) | -0.14 (-3.5) -0.4% |
| Width inches (mm) | 12.8 (325) | 11.22 (285) | -1.57 (-40) -12.3% |
| Circum. inches (mm) | 101.27 (2572.34) | 100.84 (2561.34) | -0.43 (-11) -0.4% |
| Sidewall Height inches (mm) | 5.12 (130) | 5.05 (128.25) | -0.07 (-1.75) -1.3% |
| Revolutions per mile (km) | 625.64 (388.75) | 628.32 (390.42) | 2.69 (1.67) 0.4% |
285/45-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.91 mph (32.05 km/h) |
| 25 mph (40.23 km/h) | 24.89 mph (40.06 km/h) |
| 30 mph (48.28 km/h) | 29.87 mph (48.07 km/h) |
| 35 mph (56.33 km/h) | 34.85 mph (56.09 km/h) |
| 40 mph (64.37 km/h) | 39.83 mph (64.1 km/h) |
| 45 mph (72.42 km/h) | 44.81 mph (72.11 km/h) |
| 50 mph (80.47 km/h) | 49.79 mph (80.12 km/h) |
| 55 mph (88.51 km/h) | 54.76 mph (88.14 km/h) |
| 60 mph (96.56 km/h) | 59.74 mph (96.15 km/h) |
| 65 mph (104.61 km/h) | 64.72 mph (104.16 km/h) |
| 70 mph (112.65 km/h) | 69.7 mph (112.17 km/h) |
| 75 mph (120.7 km/h) | 74.68 mph (120.19 km/h) |
| 80 mph (128.75 km/h) | 79.66 mph (128.2 km/h) |
| 85 mph (136.79 km/h) | 84.64 mph (136.21 km/h) |
| 90 mph (144.84 km/h) | 89.62 mph (144.22 km/h) |
| 95 mph (152.89 km/h) | 94.59 mph (152.23 km/h) |
| 100 mph (160.93 km/h) | 99.57 mph (160.25 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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