Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/55-18 | 245/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.61 (726.7) | 29.57 (751.2) | 0.96 (24.5) 3.4% |
| Width inches (mm) | 9.65 (245) | 9.65 (245) | 0 (0) 0% |
| Circum. inches (mm) | 89.88 (2283) | 92.91 (2359.96) | 3.03 (76.97) 3.4% |
| Sidewall Height inches (mm) | 5.31 (134.75) | 5.79 (147) | 0.48 (12.25) 9.1% |
| Revolutions per mile (km) | 704.93 (438.02) | 681.94 (423.73) | -22.99 (-14.29) -3.3% |
245/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.67 mph (33.27 km/h) |
| 25 mph (40.23 km/h) | 25.84 mph (41.59 km/h) |
| 30 mph (48.28 km/h) | 31.01 mph (49.91 km/h) |
| 35 mph (56.33 km/h) | 36.18 mph (58.23 km/h) |
| 40 mph (64.37 km/h) | 41.35 mph (66.54 km/h) |
| 45 mph (72.42 km/h) | 46.52 mph (74.86 km/h) |
| 50 mph (80.47 km/h) | 51.69 mph (83.18 km/h) |
| 55 mph (88.51 km/h) | 56.85 mph (91.5 km/h) |
| 60 mph (96.56 km/h) | 62.02 mph (99.82 km/h) |
| 65 mph (104.61 km/h) | 67.19 mph (108.13 km/h) |
| 70 mph (112.65 km/h) | 72.36 mph (116.45 km/h) |
| 75 mph (120.7 km/h) | 77.53 mph (124.77 km/h) |
| 80 mph (128.75 km/h) | 82.7 mph (133.09 km/h) |
| 85 mph (136.79 km/h) | 87.87 mph (141.41 km/h) |
| 90 mph (144.84 km/h) | 93.03 mph (149.72 km/h) |
| 95 mph (152.89 km/h) | 98.2 mph (158.04 km/h) |
| 100 mph (160.93 km/h) | 103.37 mph (166.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1735 | 2016 | 2171 | 2267 | 2370 | 2444 | 2526 | 2622 | 2754 | 2887 | 3035 | 3153 | 3367 | 3604 | 3788 | 3906 | 3973 | 4217 | 4556 | 5295 |
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