Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/45-22 | 305/45-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.1 (815.3) | 32.81 (833.3) | 0.71 (18) 2.2% |
| Width inches (mm) | 11.22 (285) | 12.01 (305) | 0.79 (20) 7% |
| Circum. inches (mm) | 100.84 (2561.34) | 103.07 (2617.89) | 2.23 (56.55) 2.2% |
| Sidewall Height inches (mm) | 5.05 (128.25) | 5.4 (137.25) | 0.35 (9) 7% |
| Revolutions per mile (km) | 628.32 (390.42) | 614.75 (381.99) | -13.57 (-8.43) -2.2% |
305/45-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.44 mph (32.9 km/h) |
| 25 mph (40.23 km/h) | 25.55 mph (41.12 km/h) |
| 30 mph (48.28 km/h) | 30.66 mph (49.35 km/h) |
| 35 mph (56.33 km/h) | 35.77 mph (57.57 km/h) |
| 40 mph (64.37 km/h) | 40.88 mph (65.8 km/h) |
| 45 mph (72.42 km/h) | 45.99 mph (74.02 km/h) |
| 50 mph (80.47 km/h) | 51.1 mph (82.24 km/h) |
| 55 mph (88.51 km/h) | 56.21 mph (90.47 km/h) |
| 60 mph (96.56 km/h) | 61.32 mph (98.69 km/h) |
| 65 mph (104.61 km/h) | 66.44 mph (106.92 km/h) |
| 70 mph (112.65 km/h) | 71.55 mph (115.14 km/h) |
| 75 mph (120.7 km/h) | 76.66 mph (123.37 km/h) |
| 80 mph (128.75 km/h) | 81.77 mph (131.59 km/h) |
| 85 mph (136.79 km/h) | 86.88 mph (139.81 km/h) |
| 90 mph (144.84 km/h) | 91.99 mph (148.04 km/h) |
| 95 mph (152.89 km/h) | 97.1 mph (156.26 km/h) |
| 100 mph (160.93 km/h) | 102.21 mph (164.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1564 | 1817 | 1957 | 2044 | 2137 | 2203 | 2277 | 2363 | 2483 | 2603 | 2736 | 2843 | 3036 | 3249 | 3415 | 3522 | 3582 | 3801 | 4107 | 4773 |
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