Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/65-18 | 225/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.52 (749.7) | 28.63 (727.2) | -0.89 (-22.5) -3% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 92.73 (2355.25) | 89.94 (2284.57) | -2.78 (-70.69) -3% |
| Sidewall Height inches (mm) | 5.76 (146.25) | 5.31 (135) | -0.44 (-11.25) -7.7% |
| Revolutions per mile (km) | 683.3 (424.58) | 704.44 (437.72) | 21.14 (13.14) 3.1% |
225/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.4 mph (31.22 km/h) |
| 25 mph (40.23 km/h) | 24.25 mph (39.03 km/h) |
| 30 mph (48.28 km/h) | 29.1 mph (46.83 km/h) |
| 35 mph (56.33 km/h) | 33.95 mph (54.64 km/h) |
| 40 mph (64.37 km/h) | 38.8 mph (62.44 km/h) |
| 45 mph (72.42 km/h) | 43.65 mph (70.25 km/h) |
| 50 mph (80.47 km/h) | 48.5 mph (78.05 km/h) |
| 55 mph (88.51 km/h) | 53.35 mph (85.86 km/h) |
| 60 mph (96.56 km/h) | 58.2 mph (93.66 km/h) |
| 65 mph (104.61 km/h) | 63.05 mph (101.47 km/h) |
| 70 mph (112.65 km/h) | 67.9 mph (109.27 km/h) |
| 75 mph (120.7 km/h) | 72.75 mph (117.08 km/h) |
| 80 mph (128.75 km/h) | 77.6 mph (124.88 km/h) |
| 85 mph (136.79 km/h) | 82.45 mph (132.69 km/h) |
| 90 mph (144.84 km/h) | 87.3 mph (140.49 km/h) |
| 95 mph (152.89 km/h) | 92.15 mph (148.3 km/h) |
| 100 mph (160.93 km/h) | 97 mph (156.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1793 | 2083 | 2243 | 2342 | 2449 | 2525 | 2609 | 2708 | 2845 | 2983 | 3135 | 3257 | 3479 | 3723 | 3913 | 4035 | 4104 | 4356 | 4707 | 5470 |
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