Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/60-18 | 255/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.57 (751.2) | 30.05 (763.2) | 0.47 (12) 1.6% |
| Width inches (mm) | 9.65 (245) | 10.04 (255) | 0.39 (10) 4.1% |
| Circum. inches (mm) | 92.91 (2359.96) | 94.4 (2397.66) | 1.48 (37.7) 1.6% |
| Sidewall Height inches (mm) | 5.79 (147) | 6.02 (153) | 0.24 (6) 4.1% |
| Revolutions per mile (km) | 681.94 (423.73) | 671.21 (417.07) | -10.72 (-6.66) -1.6% |
255/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.32 mph (32.7 km/h) |
| 25 mph (40.23 km/h) | 25.4 mph (40.88 km/h) |
| 30 mph (48.28 km/h) | 30.48 mph (49.05 km/h) |
| 35 mph (56.33 km/h) | 35.56 mph (57.23 km/h) |
| 40 mph (64.37 km/h) | 40.64 mph (65.4 km/h) |
| 45 mph (72.42 km/h) | 45.72 mph (73.58 km/h) |
| 50 mph (80.47 km/h) | 50.8 mph (81.75 km/h) |
| 55 mph (88.51 km/h) | 55.88 mph (89.93 km/h) |
| 60 mph (96.56 km/h) | 60.96 mph (98.1 km/h) |
| 65 mph (104.61 km/h) | 66.04 mph (106.28 km/h) |
| 70 mph (112.65 km/h) | 71.12 mph (114.45 km/h) |
| 75 mph (120.7 km/h) | 76.2 mph (122.63 km/h) |
| 80 mph (128.75 km/h) | 81.28 mph (130.8 km/h) |
| 85 mph (136.79 km/h) | 86.36 mph (138.98 km/h) |
| 90 mph (144.84 km/h) | 91.44 mph (147.15 km/h) |
| 95 mph (152.89 km/h) | 96.52 mph (155.33 km/h) |
| 100 mph (160.93 km/h) | 101.6 mph (163.51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1708 | 1984 | 2137 | 2231 | 2333 | 2406 | 2486 | 2580 | 2711 | 2842 | 2987 | 3104 | 3314 | 3547 | 3729 | 3845 | 3910 | 4150 | 4485 | 5212 |
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