Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 445/65-22.5 | 330/100-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 45.28 (1150) | 48.48 (1231.5) | 3.21 (81.5) 7.1% |
| Width inches (mm) | 17.52 (445) | 12.99 (330) | -4.53 (-115) -25.8% |
| Circum. inches (mm) | 142.24 (3612.83) | 152.32 (3868.87) | 10.08 (256.04) 7.1% |
| Sidewall Height inches (mm) | 11.39 (289.25) | 12.99 (330) | 1.6 (40.75) 14.1% |
| Revolutions per mile (km) | 445.45 (276.79) | 415.97 (258.47) | -29.48 (-18.32) -6.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.42 mph (34.47 km/h) |
| 25 mph (40.23 km/h) | 26.77 mph (43.09 km/h) |
| 30 mph (48.28 km/h) | 32.13 mph (51.7 km/h) |
| 35 mph (56.33 km/h) | 37.48 mph (60.32 km/h) |
| 40 mph (64.37 km/h) | 42.83 mph (68.94 km/h) |
| 45 mph (72.42 km/h) | 48.19 mph (77.55 km/h) |
| 50 mph (80.47 km/h) | 53.54 mph (86.17 km/h) |
| 55 mph (88.51 km/h) | 58.9 mph (94.79 km/h) |
| 60 mph (96.56 km/h) | 64.25 mph (103.4 km/h) |
| 65 mph (104.61 km/h) | 69.61 mph (112.02 km/h) |
| 70 mph (112.65 km/h) | 74.96 mph (120.64 km/h) |
| 75 mph (120.7 km/h) | 80.32 mph (129.26 km/h) |
| 80 mph (128.75 km/h) | 85.67 mph (137.87 km/h) |
| 85 mph (136.79 km/h) | 91.02 mph (146.49 km/h) |
| 90 mph (144.84 km/h) | 96.38 mph (155.11 km/h) |
| 95 mph (152.89 km/h) | 101.73 mph (163.72 km/h) |
| 100 mph (160.93 km/h) | 107.09 mph (172.34 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
