Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/55-18 | 225/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.74 (704.7) | 28.52 (724.3) | 0.77 (19.6) 2.8% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 87.16 (2213.88) | 89.58 (2275.46) | 2.42 (61.58) 2.8% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 5.76 (146.25) | 0.89 (22.5) 18.2% |
| Revolutions per mile (km) | 726.93 (451.69) | 707.26 (439.47) | -19.67 (-12.22) -2.7% |
225/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.56 mph (33.08 km/h) |
| 25 mph (40.23 km/h) | 25.7 mph (41.35 km/h) |
| 30 mph (48.28 km/h) | 30.83 mph (49.62 km/h) |
| 35 mph (56.33 km/h) | 35.97 mph (57.89 km/h) |
| 40 mph (64.37 km/h) | 41.11 mph (66.16 km/h) |
| 45 mph (72.42 km/h) | 46.25 mph (74.43 km/h) |
| 50 mph (80.47 km/h) | 51.39 mph (82.71 km/h) |
| 55 mph (88.51 km/h) | 56.53 mph (90.98 km/h) |
| 60 mph (96.56 km/h) | 61.67 mph (99.25 km/h) |
| 65 mph (104.61 km/h) | 66.81 mph (107.52 km/h) |
| 70 mph (112.65 km/h) | 71.95 mph (115.79 km/h) |
| 75 mph (120.7 km/h) | 77.09 mph (124.06 km/h) |
| 80 mph (128.75 km/h) | 82.23 mph (132.33 km/h) |
| 85 mph (136.79 km/h) | 87.36 mph (140.6 km/h) |
| 90 mph (144.84 km/h) | 92.5 mph (148.87 km/h) |
| 95 mph (152.89 km/h) | 97.64 mph (157.14 km/h) |
| 100 mph (160.93 km/h) | 102.78 mph (165.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1800 | 2091 | 2252 | 2351 | 2459 | 2535 | 2619 | 2719 | 2857 | 2995 | 3148 | 3270 | 3492 | 3738 | 3929 | 4052 | 4121 | 4373 | 4726 | 5491 |
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