Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-18 | 225/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.97 (659.7) | 28.63 (727.2) | 2.66 (67.5) 10.2% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 81.59 (2072.51) | 89.94 (2284.57) | 8.35 (212.06) 10.2% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 5.31 (135) | 1.33 (33.75) 33.3% |
| Revolutions per mile (km) | 776.52 (482.51) | 704.44 (437.72) | -72.08 (-44.79) -9.3% |
225/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.05 mph (35.48 km/h) |
| 25 mph (40.23 km/h) | 27.56 mph (44.35 km/h) |
| 30 mph (48.28 km/h) | 33.07 mph (53.22 km/h) |
| 35 mph (56.33 km/h) | 38.58 mph (62.09 km/h) |
| 40 mph (64.37 km/h) | 44.09 mph (70.96 km/h) |
| 45 mph (72.42 km/h) | 49.6 mph (79.83 km/h) |
| 50 mph (80.47 km/h) | 55.12 mph (88.7 km/h) |
| 55 mph (88.51 km/h) | 60.63 mph (97.57 km/h) |
| 60 mph (96.56 km/h) | 66.14 mph (106.44 km/h) |
| 65 mph (104.61 km/h) | 71.65 mph (115.31 km/h) |
| 70 mph (112.65 km/h) | 77.16 mph (124.18 km/h) |
| 75 mph (120.7 km/h) | 82.67 mph (133.05 km/h) |
| 80 mph (128.75 km/h) | 88.19 mph (141.92 km/h) |
| 85 mph (136.79 km/h) | 93.7 mph (150.79 km/h) |
| 90 mph (144.84 km/h) | 99.21 mph (159.66 km/h) |
| 95 mph (152.89 km/h) | 104.72 mph (168.53 km/h) |
| 100 mph (160.93 km/h) | 110.23 mph (177.4 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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