Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/55-18 | 275/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.91 (759.7) | 30.99 (787.2) | 1.08 (27.5) 3.6% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 93.96 (2386.67) | 97.36 (2473.06) | 3.4 (86.39) 3.6% |
| Sidewall Height inches (mm) | 5.95 (151.25) | 6.5 (165) | 0.54 (13.75) 9.1% |
| Revolutions per mile (km) | 674.31 (418.99) | 650.75 (404.36) | -23.56 (-14.64) -3.5% |
275/60-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.72 mph (33.35 km/h) |
| 25 mph (40.23 km/h) | 25.9 mph (41.69 km/h) |
| 30 mph (48.28 km/h) | 31.09 mph (50.03 km/h) |
| 35 mph (56.33 km/h) | 36.27 mph (58.37 km/h) |
| 40 mph (64.37 km/h) | 41.45 mph (66.7 km/h) |
| 45 mph (72.42 km/h) | 46.63 mph (75.04 km/h) |
| 50 mph (80.47 km/h) | 51.81 mph (83.38 km/h) |
| 55 mph (88.51 km/h) | 56.99 mph (91.72 km/h) |
| 60 mph (96.56 km/h) | 62.17 mph (100.06 km/h) |
| 65 mph (104.61 km/h) | 67.35 mph (108.39 km/h) |
| 70 mph (112.65 km/h) | 72.53 mph (116.73 km/h) |
| 75 mph (120.7 km/h) | 77.71 mph (125.07 km/h) |
| 80 mph (128.75 km/h) | 82.9 mph (133.41 km/h) |
| 85 mph (136.79 km/h) | 88.08 mph (141.75 km/h) |
| 90 mph (144.84 km/h) | 93.26 mph (150.08 km/h) |
| 95 mph (152.89 km/h) | 98.44 mph (158.42 km/h) |
| 100 mph (160.93 km/h) | 103.62 mph (166.76 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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