Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/90-16 | 225/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.28 (667.4) | 28.52 (724.3) | 2.24 (56.9) 8.5% |
| Width inches (mm) | 5.71 (145) | 8.86 (225) | 3.15 (80) 55.2% |
| Circum. inches (mm) | 82.55 (2096.7) | 89.58 (2275.46) | 7.04 (178.76) 8.5% |
| Sidewall Height inches (mm) | 5.14 (130.5) | 5.76 (146.25) | 0.62 (15.75) 12.1% |
| Revolutions per mile (km) | 767.56 (476.94) | 707.26 (439.47) | -60.3 (-37.47) -7.9% |
225/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.71 mph (34.93 km/h) |
| 25 mph (40.23 km/h) | 27.13 mph (43.66 km/h) |
| 30 mph (48.28 km/h) | 32.56 mph (52.4 km/h) |
| 35 mph (56.33 km/h) | 37.98 mph (61.13 km/h) |
| 40 mph (64.37 km/h) | 43.41 mph (69.86 km/h) |
| 45 mph (72.42 km/h) | 48.84 mph (78.59 km/h) |
| 50 mph (80.47 km/h) | 54.26 mph (87.33 km/h) |
| 55 mph (88.51 km/h) | 59.69 mph (96.06 km/h) |
| 60 mph (96.56 km/h) | 65.12 mph (104.79 km/h) |
| 65 mph (104.61 km/h) | 70.54 mph (113.53 km/h) |
| 70 mph (112.65 km/h) | 75.97 mph (122.26 km/h) |
| 75 mph (120.7 km/h) | 81.39 mph (130.99 km/h) |
| 80 mph (128.75 km/h) | 86.82 mph (139.72 km/h) |
| 85 mph (136.79 km/h) | 92.25 mph (148.46 km/h) |
| 90 mph (144.84 km/h) | 97.67 mph (157.19 km/h) |
| 95 mph (152.89 km/h) | 103.1 mph (165.92 km/h) |
| 100 mph (160.93 km/h) | 108.53 mph (174.66 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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