Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/55-15 | 225/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.74 (628.5) | 26.74 (679.3) | 2 (50.8) 8.1% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 77.74 (1974.49) | 84.02 (2134.08) | 6.28 (159.59) 8.1% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 4.87 (123.75) | 0 (0) 0% |
| Revolutions per mile (km) | 815.07 (506.46) | 754.11 (468.58) | -60.95 (-37.87) -7.5% |
225/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.62 mph (34.79 km/h) |
| 25 mph (40.23 km/h) | 27.02 mph (43.49 km/h) |
| 30 mph (48.28 km/h) | 32.42 mph (52.18 km/h) |
| 35 mph (56.33 km/h) | 37.83 mph (60.88 km/h) |
| 40 mph (64.37 km/h) | 43.23 mph (69.58 km/h) |
| 45 mph (72.42 km/h) | 48.64 mph (78.27 km/h) |
| 50 mph (80.47 km/h) | 54.04 mph (86.97 km/h) |
| 55 mph (88.51 km/h) | 59.45 mph (95.67 km/h) |
| 60 mph (96.56 km/h) | 64.85 mph (104.37 km/h) |
| 65 mph (104.61 km/h) | 70.25 mph (113.06 km/h) |
| 70 mph (112.65 km/h) | 75.66 mph (121.76 km/h) |
| 75 mph (120.7 km/h) | 81.06 mph (130.46 km/h) |
| 80 mph (128.75 km/h) | 86.47 mph (139.15 km/h) |
| 85 mph (136.79 km/h) | 91.87 mph (147.85 km/h) |
| 90 mph (144.84 km/h) | 97.27 mph (156.55 km/h) |
| 95 mph (152.89 km/h) | 102.68 mph (165.25 km/h) |
| 100 mph (160.93 km/h) | 108.08 mph (173.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1919 | 2229 | 2401 | 2507 | 2621 | 2703 | 2793 | 2899 | 3046 | 3193 | 3356 | 3487 | 3724 | 3985 | 4189 | 4320 | 4393 | 4663 | 5039 | 5855 |
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