Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/30-23 | 225/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.2 (767.2) | 25.86 (656.8) | -4.35 (-110.4) -14.4% |
| Width inches (mm) | 12.01 (305) | 8.86 (225) | -3.15 (-80) -26.2% |
| Circum. inches (mm) | 94.89 (2410.23) | 81.24 (2063.4) | -13.65 (-346.83) -14.4% |
| Sidewall Height inches (mm) | 3.6 (91.5) | 4.43 (112.5) | 0.83 (21) 23% |
| Revolutions per mile (km) | 667.71 (414.9) | 779.95 (484.64) | 112.23 (69.74) 16.8% |
225/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.12 mph (27.56 km/h) |
| 25 mph (40.23 km/h) | 21.4 mph (34.44 km/h) |
| 30 mph (48.28 km/h) | 25.68 mph (41.33 km/h) |
| 35 mph (56.33 km/h) | 29.96 mph (48.22 km/h) |
| 40 mph (64.37 km/h) | 34.24 mph (55.11 km/h) |
| 45 mph (72.42 km/h) | 38.52 mph (62 km/h) |
| 50 mph (80.47 km/h) | 42.81 mph (68.89 km/h) |
| 55 mph (88.51 km/h) | 47.09 mph (75.78 km/h) |
| 60 mph (96.56 km/h) | 51.37 mph (82.67 km/h) |
| 65 mph (104.61 km/h) | 55.65 mph (89.55 km/h) |
| 70 mph (112.65 km/h) | 59.93 mph (96.44 km/h) |
| 75 mph (120.7 km/h) | 64.21 mph (103.33 km/h) |
| 80 mph (128.75 km/h) | 68.49 mph (110.22 km/h) |
| 85 mph (136.79 km/h) | 72.77 mph (117.11 km/h) |
| 90 mph (144.84 km/h) | 77.05 mph (124 km/h) |
| 95 mph (152.89 km/h) | 81.33 mph (130.89 km/h) |
| 100 mph (160.93 km/h) | 85.61 mph (137.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | 2306 | 2483 | 2593 | 2711 | 2796 | 2889 | 2998 | 3150 | 3302 | 3471 | 3606 | 3851 | 4122 | 4333 | 4468 | 4544 | 4823 | 5211 | 6056 |
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