Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/80-22.5 | 445/65-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.67 (931.5) | 45.28 (1150) | 8.6 (218.5) 23.5% |
| Width inches (mm) | 8.86 (225) | 17.52 (445) | 8.66 (220) 97.8% |
| Circum. inches (mm) | 115.21 (2926.39) | 142.24 (3612.83) | 27.03 (686.44) 23.5% |
| Sidewall Height inches (mm) | 7.09 (180) | 11.39 (289.25) | 4.3 (109.25) 60.7% |
| Revolutions per mile (km) | 549.94 (341.72) | 445.45 (276.79) | -104.49 (-64.93) -19% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.69 mph (39.74 km/h) |
| 25 mph (40.23 km/h) | 30.86 mph (49.67 km/h) |
| 30 mph (48.28 km/h) | 37.04 mph (59.61 km/h) |
| 35 mph (56.33 km/h) | 43.21 mph (69.54 km/h) |
| 40 mph (64.37 km/h) | 49.38 mph (79.47 km/h) |
| 45 mph (72.42 km/h) | 55.56 mph (89.41 km/h) |
| 50 mph (80.47 km/h) | 61.73 mph (99.34 km/h) |
| 55 mph (88.51 km/h) | 67.9 mph (109.28 km/h) |
| 60 mph (96.56 km/h) | 74.07 mph (119.21 km/h) |
| 65 mph (104.61 km/h) | 80.25 mph (129.15 km/h) |
| 70 mph (112.65 km/h) | 86.42 mph (139.08 km/h) |
| 75 mph (120.7 km/h) | 92.59 mph (149.01 km/h) |
| 80 mph (128.75 km/h) | 98.77 mph (158.95 km/h) |
| 85 mph (136.79 km/h) | 104.94 mph (168.88 km/h) |
| 90 mph (144.84 km/h) | 111.11 mph (178.82 km/h) |
| 95 mph (152.89 km/h) | 117.28 mph (188.75 km/h) |
| 100 mph (160.93 km/h) | 123.46 mph (198.68 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
