Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/50-17 | 225/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.28 (616.8) | 25.86 (656.8) | 1.57 (40) 6.5% |
| Width inches (mm) | 7.28 (185) | 8.86 (225) | 1.57 (40) 21.6% |
| Circum. inches (mm) | 76.29 (1937.73) | 81.24 (2063.4) | 4.95 (125.66) 6.5% |
| Sidewall Height inches (mm) | 3.64 (92.5) | 4.43 (112.5) | 0.79 (20) 21.6% |
| Revolutions per mile (km) | 830.53 (516.07) | 779.95 (484.64) | -50.58 (-31.43) -6.1% |
225/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.3 mph (34.27 km/h) |
| 25 mph (40.23 km/h) | 26.62 mph (42.84 km/h) |
| 30 mph (48.28 km/h) | 31.95 mph (51.41 km/h) |
| 35 mph (56.33 km/h) | 37.27 mph (59.98 km/h) |
| 40 mph (64.37 km/h) | 42.59 mph (68.55 km/h) |
| 45 mph (72.42 km/h) | 47.92 mph (77.12 km/h) |
| 50 mph (80.47 km/h) | 53.24 mph (85.69 km/h) |
| 55 mph (88.51 km/h) | 58.57 mph (94.25 km/h) |
| 60 mph (96.56 km/h) | 63.89 mph (102.82 km/h) |
| 65 mph (104.61 km/h) | 69.22 mph (111.39 km/h) |
| 70 mph (112.65 km/h) | 74.54 mph (119.96 km/h) |
| 75 mph (120.7 km/h) | 79.86 mph (128.53 km/h) |
| 80 mph (128.75 km/h) | 85.19 mph (137.1 km/h) |
| 85 mph (136.79 km/h) | 90.51 mph (145.67 km/h) |
| 90 mph (144.84 km/h) | 95.84 mph (154.23 km/h) |
| 95 mph (152.89 km/h) | 101.16 mph (162.8 km/h) |
| 100 mph (160.93 km/h) | 106.49 mph (171.37 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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