Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/60-18 | 275/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.05 (763.2) | 30.99 (787.2) | 0.94 (24) 3.1% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 94.4 (2397.66) | 97.36 (2473.06) | 2.97 (75.4) 3.1% |
| Sidewall Height inches (mm) | 6.02 (153) | 6.5 (165) | 0.47 (12) 7.8% |
| Revolutions per mile (km) | 671.21 (417.07) | 650.75 (404.36) | -20.46 (-12.72) -3% |
275/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.63 mph (33.2 km/h) |
| 25 mph (40.23 km/h) | 25.79 mph (41.5 km/h) |
| 30 mph (48.28 km/h) | 30.94 mph (49.8 km/h) |
| 35 mph (56.33 km/h) | 36.1 mph (58.1 km/h) |
| 40 mph (64.37 km/h) | 41.26 mph (66.4 km/h) |
| 45 mph (72.42 km/h) | 46.42 mph (74.7 km/h) |
| 50 mph (80.47 km/h) | 51.57 mph (83 km/h) |
| 55 mph (88.51 km/h) | 56.73 mph (91.3 km/h) |
| 60 mph (96.56 km/h) | 61.89 mph (99.6 km/h) |
| 65 mph (104.61 km/h) | 67.04 mph (107.9 km/h) |
| 70 mph (112.65 km/h) | 72.2 mph (116.2 km/h) |
| 75 mph (120.7 km/h) | 77.36 mph (124.5 km/h) |
| 80 mph (128.75 km/h) | 82.52 mph (132.8 km/h) |
| 85 mph (136.79 km/h) | 87.67 mph (141.1 km/h) |
| 90 mph (144.84 km/h) | 92.83 mph (149.4 km/h) |
| 95 mph (152.89 km/h) | 97.99 mph (157.7 km/h) |
| 100 mph (160.93 km/h) | 103.14 mph (166 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1656 | 1924 | 2072 | 2163 | 2262 | 2333 | 2410 | 2502 | 2629 | 2755 | 2896 | 3009 | 3213 | 3439 | 3615 | 3728 | 3791 | 4024 | 4348 | 5053 |
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