Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/50-18 | 255/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.04 (712.2) | 30.05 (763.2) | 2.01 (51) 7.2% |
| Width inches (mm) | 10.04 (255) | 10.04 (255) | 0 (0) 0% |
| Circum. inches (mm) | 88.09 (2237.44) | 94.4 (2397.66) | 6.31 (160.22) 7.2% |
| Sidewall Height inches (mm) | 5.02 (127.5) | 6.02 (153) | 1 (25.5) 20% |
| Revolutions per mile (km) | 719.28 (446.94) | 671.21 (417.07) | -48.06 (-29.87) -6.7% |
255/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.43 mph (34.49 km/h) |
| 25 mph (40.23 km/h) | 26.79 mph (43.11 km/h) |
| 30 mph (48.28 km/h) | 32.15 mph (51.74 km/h) |
| 35 mph (56.33 km/h) | 37.51 mph (60.36 km/h) |
| 40 mph (64.37 km/h) | 42.86 mph (68.98 km/h) |
| 45 mph (72.42 km/h) | 48.22 mph (77.61 km/h) |
| 50 mph (80.47 km/h) | 53.58 mph (86.23 km/h) |
| 55 mph (88.51 km/h) | 58.94 mph (94.85 km/h) |
| 60 mph (96.56 km/h) | 64.3 mph (103.48 km/h) |
| 65 mph (104.61 km/h) | 69.65 mph (112.1 km/h) |
| 70 mph (112.65 km/h) | 75.01 mph (120.72 km/h) |
| 75 mph (120.7 km/h) | 80.37 mph (129.34 km/h) |
| 80 mph (128.75 km/h) | 85.73 mph (137.97 km/h) |
| 85 mph (136.79 km/h) | 91.09 mph (146.59 km/h) |
| 90 mph (144.84 km/h) | 96.44 mph (155.21 km/h) |
| 95 mph (152.89 km/h) | 101.8 mph (163.84 km/h) |
| 100 mph (160.93 km/h) | 107.16 mph (172.46 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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