Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/60-18 | 225/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.1 (739.2) | 28.63 (727.2) | -0.47 (-12) -1.6% |
| Width inches (mm) | 9.25 (235) | 8.86 (225) | -0.39 (-10) -4.3% |
| Circum. inches (mm) | 91.43 (2322.27) | 89.94 (2284.57) | -1.48 (-37.7) -1.6% |
| Sidewall Height inches (mm) | 5.55 (141) | 5.31 (135) | -0.24 (-6) -4.3% |
| Revolutions per mile (km) | 693.01 (430.61) | 704.44 (437.72) | 11.44 (7.11) 1.7% |
225/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.68 mph (31.66 km/h) |
| 25 mph (40.23 km/h) | 24.59 mph (39.58 km/h) |
| 30 mph (48.28 km/h) | 29.51 mph (47.5 km/h) |
| 35 mph (56.33 km/h) | 34.43 mph (55.41 km/h) |
| 40 mph (64.37 km/h) | 39.35 mph (63.33 km/h) |
| 45 mph (72.42 km/h) | 44.27 mph (71.24 km/h) |
| 50 mph (80.47 km/h) | 49.19 mph (79.16 km/h) |
| 55 mph (88.51 km/h) | 54.11 mph (87.08 km/h) |
| 60 mph (96.56 km/h) | 59.03 mph (94.99 km/h) |
| 65 mph (104.61 km/h) | 63.94 mph (102.91 km/h) |
| 70 mph (112.65 km/h) | 68.86 mph (110.83 km/h) |
| 75 mph (120.7 km/h) | 73.78 mph (118.74 km/h) |
| 80 mph (128.75 km/h) | 78.7 mph (126.66 km/h) |
| 85 mph (136.79 km/h) | 83.62 mph (134.57 km/h) |
| 90 mph (144.84 km/h) | 88.54 mph (142.49 km/h) |
| 95 mph (152.89 km/h) | 93.46 mph (150.41 km/h) |
| 100 mph (160.93 km/h) | 98.38 mph (158.32 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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