Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/50-18 | 225/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.86 (682.2) | 25.86 (656.8) | -1 (-25.4) -3.7% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 84.38 (2143.19) | 81.24 (2063.4) | -3.14 (-79.8) -3.7% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 4.43 (112.5) | 0 (0) 0% |
| Revolutions per mile (km) | 750.91 (466.59) | 779.95 (484.64) | 29.04 (18.04) 3.9% |
225/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.26 mph (30.99 km/h) |
| 25 mph (40.23 km/h) | 24.07 mph (38.74 km/h) |
| 30 mph (48.28 km/h) | 28.88 mph (46.48 km/h) |
| 35 mph (56.33 km/h) | 33.7 mph (54.23 km/h) |
| 40 mph (64.37 km/h) | 38.51 mph (61.98 km/h) |
| 45 mph (72.42 km/h) | 43.32 mph (69.72 km/h) |
| 50 mph (80.47 km/h) | 48.14 mph (77.47 km/h) |
| 55 mph (88.51 km/h) | 52.95 mph (85.22 km/h) |
| 60 mph (96.56 km/h) | 57.77 mph (92.97 km/h) |
| 65 mph (104.61 km/h) | 62.58 mph (100.71 km/h) |
| 70 mph (112.65 km/h) | 67.39 mph (108.46 km/h) |
| 75 mph (120.7 km/h) | 72.21 mph (116.21 km/h) |
| 80 mph (128.75 km/h) | 77.02 mph (123.95 km/h) |
| 85 mph (136.79 km/h) | 81.84 mph (131.7 km/h) |
| 90 mph (144.84 km/h) | 86.65 mph (139.45 km/h) |
| 95 mph (152.89 km/h) | 91.46 mph (147.2 km/h) |
| 100 mph (160.93 km/h) | 96.28 mph (154.94 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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