Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/60-18 | 275/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.52 (775.2) | 33.16 (842.2) | 2.64 (67) 8.6% |
| Width inches (mm) | 10.43 (265) | 10.83 (275) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 95.88 (2435.36) | 104.17 (2645.85) | 8.29 (210.49) 8.6% |
| Sidewall Height inches (mm) | 6.26 (159) | 7.58 (192.5) | 1.32 (33.5) 21.1% |
| Revolutions per mile (km) | 660.82 (410.62) | 608.25 (377.95) | -52.57 (-32.67) -8% |
275/70-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.73 mph (34.97 km/h) |
| 25 mph (40.23 km/h) | 27.16 mph (43.71 km/h) |
| 30 mph (48.28 km/h) | 32.59 mph (52.45 km/h) |
| 35 mph (56.33 km/h) | 38.03 mph (61.2 km/h) |
| 40 mph (64.37 km/h) | 43.46 mph (69.94 km/h) |
| 45 mph (72.42 km/h) | 48.89 mph (78.68 km/h) |
| 50 mph (80.47 km/h) | 54.32 mph (87.42 km/h) |
| 55 mph (88.51 km/h) | 59.75 mph (96.16 km/h) |
| 60 mph (96.56 km/h) | 65.19 mph (104.91 km/h) |
| 65 mph (104.61 km/h) | 70.62 mph (113.65 km/h) |
| 70 mph (112.65 km/h) | 76.05 mph (122.39 km/h) |
| 75 mph (120.7 km/h) | 81.48 mph (131.13 km/h) |
| 80 mph (128.75 km/h) | 86.91 mph (139.88 km/h) |
| 85 mph (136.79 km/h) | 92.35 mph (148.62 km/h) |
| 90 mph (144.84 km/h) | 97.78 mph (157.36 km/h) |
| 95 mph (152.89 km/h) | 103.21 mph (166.1 km/h) |
| 100 mph (160.93 km/h) | 108.64 mph (174.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1548 | 1798 | 1937 | 2022 | 2114 | 2180 | 2253 | 2338 | 2457 | 2575 | 2707 | 2813 | 3004 | 3214 | 3379 | 3484 | 3544 | 3761 | 4064 | 4723 |
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