Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/75-18 | 265/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.94 (862.2) | 32.61 (828.2) | -1.34 (-34) -3.9% |
| Width inches (mm) | 10.63 (270) | 10.43 (265) | -0.2 (-5) -1.9% |
| Circum. inches (mm) | 106.64 (2708.68) | 102.44 (2601.87) | -4.21 (-106.81) -3.9% |
| Sidewall Height inches (mm) | 7.97 (202.5) | 7.3 (185.5) | -0.67 (-17) -8.4% |
| Revolutions per mile (km) | 594.14 (369.18) | 618.53 (384.34) | 24.39 (15.16) 4.1% |
265/70-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.21 mph (30.92 km/h) |
| 25 mph (40.23 km/h) | 24.01 mph (38.65 km/h) |
| 30 mph (48.28 km/h) | 28.82 mph (46.38 km/h) |
| 35 mph (56.33 km/h) | 33.62 mph (54.11 km/h) |
| 40 mph (64.37 km/h) | 38.42 mph (61.84 km/h) |
| 45 mph (72.42 km/h) | 43.23 mph (69.56 km/h) |
| 50 mph (80.47 km/h) | 48.03 mph (77.29 km/h) |
| 55 mph (88.51 km/h) | 52.83 mph (85.02 km/h) |
| 60 mph (96.56 km/h) | 57.63 mph (92.75 km/h) |
| 65 mph (104.61 km/h) | 62.44 mph (100.48 km/h) |
| 70 mph (112.65 km/h) | 67.24 mph (108.21 km/h) |
| 75 mph (120.7 km/h) | 72.04 mph (115.94 km/h) |
| 80 mph (128.75 km/h) | 76.85 mph (123.67 km/h) |
| 85 mph (136.79 km/h) | 81.65 mph (131.4 km/h) |
| 90 mph (144.84 km/h) | 86.45 mph (139.13 km/h) |
| 95 mph (152.89 km/h) | 91.25 mph (146.86 km/h) |
| 100 mph (160.93 km/h) | 96.06 mph (154.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1574 | 1829 | 1969 | 2056 | 2150 | 2217 | 2291 | 2378 | 2498 | 2619 | 2753 | 2860 | 3054 | 3269 | 3436 | 3543 | 3604 | 3825 | 4133 | 4803 |
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