Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 445/65-22.5 | 445/45-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 45.28 (1150) | 38.27 (972) | -7.01 (-178) -15.5% |
| Width inches (mm) | 17.52 (445) | 17.52 (445) | 0 (0) 0% |
| Circum. inches (mm) | 142.24 (3612.83) | 120.22 (3053.63) | -22.02 (-559.2) -15.5% |
| Sidewall Height inches (mm) | 11.39 (289.25) | 7.88 (200.25) | -3.5 (-89) -30.8% |
| Revolutions per mile (km) | 445.45 (276.79) | 527.03 (327.48) | 81.57 (50.69) 18.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.9 mph (27.2 km/h) |
| 25 mph (40.23 km/h) | 21.13 mph (34.01 km/h) |
| 30 mph (48.28 km/h) | 25.36 mph (40.81 km/h) |
| 35 mph (56.33 km/h) | 29.58 mph (47.61 km/h) |
| 40 mph (64.37 km/h) | 33.81 mph (54.41 km/h) |
| 45 mph (72.42 km/h) | 38.03 mph (61.21 km/h) |
| 50 mph (80.47 km/h) | 42.26 mph (68.01 km/h) |
| 55 mph (88.51 km/h) | 46.49 mph (74.81 km/h) |
| 60 mph (96.56 km/h) | 50.71 mph (81.61 km/h) |
| 65 mph (104.61 km/h) | 54.94 mph (88.42 km/h) |
| 70 mph (112.65 km/h) | 59.17 mph (95.22 km/h) |
| 75 mph (120.7 km/h) | 63.39 mph (102.02 km/h) |
| 80 mph (128.75 km/h) | 67.62 mph (108.82 km/h) |
| 85 mph (136.79 km/h) | 71.84 mph (115.62 km/h) |
| 90 mph (144.84 km/h) | 76.07 mph (122.42 km/h) |
| 95 mph (152.89 km/h) | 80.3 mph (129.22 km/h) |
| 100 mph (160.93 km/h) | 84.52 mph (136.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1341 | 1558 | 1678 | 1752 | 1832 | 1889 | 1952 | 2026 | 2129 | 2231 | 2346 | 2437 | 2602 | 2785 | 2928 | 3019 | 3070 | 3259 | 3521 | 4092 |
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