Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/30-22 | 305/45-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.44 (747.8) | 32.81 (833.3) | 3.37 (85.5) 11.4% |
| Width inches (mm) | 12.4 (315) | 12.01 (305) | -0.39 (-10) -3.2% |
| Circum. inches (mm) | 92.49 (2349.28) | 103.07 (2617.89) | 10.58 (268.61) 11.4% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 5.4 (137.25) | 1.68 (42.75) 45.2% |
| Revolutions per mile (km) | 685.04 (425.66) | 614.75 (381.99) | -70.29 (-43.67) -10.3% |
305/45-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.29 mph (35.87 km/h) |
| 25 mph (40.23 km/h) | 27.86 mph (44.83 km/h) |
| 30 mph (48.28 km/h) | 33.43 mph (53.8 km/h) |
| 35 mph (56.33 km/h) | 39 mph (62.77 km/h) |
| 40 mph (64.37 km/h) | 44.57 mph (71.73 km/h) |
| 45 mph (72.42 km/h) | 50.15 mph (80.7 km/h) |
| 50 mph (80.47 km/h) | 55.72 mph (89.67 km/h) |
| 55 mph (88.51 km/h) | 61.29 mph (98.63 km/h) |
| 60 mph (96.56 km/h) | 66.86 mph (107.6 km/h) |
| 65 mph (104.61 km/h) | 72.43 mph (116.57 km/h) |
| 70 mph (112.65 km/h) | 78 mph (125.53 km/h) |
| 75 mph (120.7 km/h) | 83.58 mph (134.5 km/h) |
| 80 mph (128.75 km/h) | 89.15 mph (143.47 km/h) |
| 85 mph (136.79 km/h) | 94.72 mph (152.43 km/h) |
| 90 mph (144.84 km/h) | 100.29 mph (161.4 km/h) |
| 95 mph (152.89 km/h) | 105.86 mph (170.37 km/h) |
| 100 mph (160.93 km/h) | 111.43 mph (179.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1564 | 1817 | 1957 | 2044 | 2137 | 2203 | 2277 | 2363 | 2483 | 2603 | 2736 | 2843 | 3036 | 3249 | 3415 | 3522 | 3582 | 3801 | 4107 | 4773 |
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