Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/60-18 | 225/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.57 (751.2) | 28.52 (724.3) | -1.06 (-26.9) -3.6% |
| Width inches (mm) | 9.65 (245) | 8.86 (225) | -0.79 (-20) -8.2% |
| Circum. inches (mm) | 92.91 (2359.96) | 89.58 (2275.46) | -3.33 (-84.51) -3.6% |
| Sidewall Height inches (mm) | 5.79 (147) | 5.76 (146.25) | -0.03 (-0.75) -0.5% |
| Revolutions per mile (km) | 681.94 (423.73) | 707.26 (439.47) | 25.33 (15.74) 3.7% |
225/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.28 mph (31.03 km/h) |
| 25 mph (40.23 km/h) | 24.1 mph (38.79 km/h) |
| 30 mph (48.28 km/h) | 28.93 mph (46.55 km/h) |
| 35 mph (56.33 km/h) | 33.75 mph (54.31 km/h) |
| 40 mph (64.37 km/h) | 38.57 mph (62.07 km/h) |
| 45 mph (72.42 km/h) | 43.39 mph (69.83 km/h) |
| 50 mph (80.47 km/h) | 48.21 mph (77.59 km/h) |
| 55 mph (88.51 km/h) | 53.03 mph (85.34 km/h) |
| 60 mph (96.56 km/h) | 57.85 mph (93.1 km/h) |
| 65 mph (104.61 km/h) | 62.67 mph (100.86 km/h) |
| 70 mph (112.65 km/h) | 67.49 mph (108.62 km/h) |
| 75 mph (120.7 km/h) | 72.31 mph (116.38 km/h) |
| 80 mph (128.75 km/h) | 77.14 mph (124.14 km/h) |
| 85 mph (136.79 km/h) | 81.96 mph (131.9 km/h) |
| 90 mph (144.84 km/h) | 86.78 mph (139.65 km/h) |
| 95 mph (152.89 km/h) | 91.6 mph (147.41 km/h) |
| 100 mph (160.93 km/h) | 96.42 mph (155.17 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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