Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 445/50-22.5 | 445/65-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 40.02 (1016.5) | 45.28 (1150) | 5.26 (133.5) 13.1% |
| Width inches (mm) | 17.52 (445) | 17.52 (445) | 0 (0) 0% |
| Circum. inches (mm) | 125.73 (3193.43) | 142.24 (3612.83) | 16.51 (419.4) 13.1% |
| Sidewall Height inches (mm) | 8.76 (222.5) | 11.39 (289.25) | 2.63 (66.75) 30% |
| Revolutions per mile (km) | 503.95 (313.14) | 445.45 (276.79) | -58.5 (-36.35) -11.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.63 mph (36.41 km/h) |
| 25 mph (40.23 km/h) | 28.28 mph (45.52 km/h) |
| 30 mph (48.28 km/h) | 33.94 mph (54.62 km/h) |
| 35 mph (56.33 km/h) | 39.6 mph (63.72 km/h) |
| 40 mph (64.37 km/h) | 45.25 mph (72.83 km/h) |
| 45 mph (72.42 km/h) | 50.91 mph (81.93 km/h) |
| 50 mph (80.47 km/h) | 56.57 mph (91.04 km/h) |
| 55 mph (88.51 km/h) | 62.22 mph (100.14 km/h) |
| 60 mph (96.56 km/h) | 67.88 mph (109.24 km/h) |
| 65 mph (104.61 km/h) | 73.54 mph (118.35 km/h) |
| 70 mph (112.65 km/h) | 79.19 mph (127.45 km/h) |
| 75 mph (120.7 km/h) | 84.85 mph (136.55 km/h) |
| 80 mph (128.75 km/h) | 90.51 mph (145.66 km/h) |
| 85 mph (136.79 km/h) | 96.16 mph (154.76 km/h) |
| 90 mph (144.84 km/h) | 101.82 mph (163.86 km/h) |
| 95 mph (152.89 km/h) | 107.48 mph (172.97 km/h) |
| 100 mph (160.93 km/h) | 113.13 mph (182.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
