Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/45-22 | 325/50-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.1 (815.3) | 34.8 (883.8) | 2.7 (68.5) 8.4% |
| Width inches (mm) | 11.22 (285) | 12.8 (325) | 1.57 (40) 14% |
| Circum. inches (mm) | 100.84 (2561.34) | 109.31 (2776.54) | 8.47 (215.2) 8.4% |
| Sidewall Height inches (mm) | 5.05 (128.25) | 6.4 (162.5) | 1.35 (34.25) 26.7% |
| Revolutions per mile (km) | 628.32 (390.42) | 579.62 (360.16) | -48.7 (-30.26) -7.8% |
325/50-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.68 mph (34.89 km/h) |
| 25 mph (40.23 km/h) | 27.1 mph (43.61 km/h) |
| 30 mph (48.28 km/h) | 32.52 mph (52.34 km/h) |
| 35 mph (56.33 km/h) | 37.94 mph (61.06 km/h) |
| 40 mph (64.37 km/h) | 43.36 mph (69.78 km/h) |
| 45 mph (72.42 km/h) | 48.78 mph (78.51 km/h) |
| 50 mph (80.47 km/h) | 54.2 mph (87.23 km/h) |
| 55 mph (88.51 km/h) | 59.62 mph (95.95 km/h) |
| 60 mph (96.56 km/h) | 65.04 mph (104.67 km/h) |
| 65 mph (104.61 km/h) | 70.46 mph (113.4 km/h) |
| 70 mph (112.65 km/h) | 75.88 mph (122.12 km/h) |
| 75 mph (120.7 km/h) | 81.3 mph (130.84 km/h) |
| 80 mph (128.75 km/h) | 86.72 mph (139.56 km/h) |
| 85 mph (136.79 km/h) | 92.14 mph (148.29 km/h) |
| 90 mph (144.84 km/h) | 97.56 mph (157.01 km/h) |
| 95 mph (152.89 km/h) | 102.98 mph (165.73 km/h) |
| 100 mph (160.93 km/h) | 108.4 mph (174.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1475 | 1714 | 1845 | 1927 | 2015 | 2078 | 2147 | 2228 | 2341 | 2454 | 2580 | 2680 | 2862 | 3063 | 3220 | 3320 | 3377 | 3584 | 3873 | 4500 |
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