Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 256/60-18 | 265/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.09 (764.4) | 32.61 (828.2) | 2.51 (63.8) 8.3% |
| Width inches (mm) | 10.08 (256) | 10.43 (265) | 0.35 (9) 3.5% |
| Circum. inches (mm) | 94.54 (2401.43) | 102.44 (2601.87) | 7.89 (200.43) 8.3% |
| Sidewall Height inches (mm) | 6.05 (153.6) | 7.3 (185.5) | 1.26 (31.9) 20.8% |
| Revolutions per mile (km) | 670.16 (416.42) | 618.53 (384.34) | -51.63 (-32.08) -7.7% |
265/70-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.67 mph (34.87 km/h) |
| 25 mph (40.23 km/h) | 27.09 mph (43.59 km/h) |
| 30 mph (48.28 km/h) | 32.5 mph (52.31 km/h) |
| 35 mph (56.33 km/h) | 37.92 mph (61.03 km/h) |
| 40 mph (64.37 km/h) | 43.34 mph (69.75 km/h) |
| 45 mph (72.42 km/h) | 48.76 mph (78.47 km/h) |
| 50 mph (80.47 km/h) | 54.17 mph (87.18 km/h) |
| 55 mph (88.51 km/h) | 59.59 mph (95.9 km/h) |
| 60 mph (96.56 km/h) | 65.01 mph (104.62 km/h) |
| 65 mph (104.61 km/h) | 70.43 mph (113.34 km/h) |
| 70 mph (112.65 km/h) | 75.84 mph (122.06 km/h) |
| 75 mph (120.7 km/h) | 81.26 mph (130.78 km/h) |
| 80 mph (128.75 km/h) | 86.68 mph (139.49 km/h) |
| 85 mph (136.79 km/h) | 92.09 mph (148.21 km/h) |
| 90 mph (144.84 km/h) | 97.51 mph (156.93 km/h) |
| 95 mph (152.89 km/h) | 102.93 mph (165.65 km/h) |
| 100 mph (160.93 km/h) | 108.35 mph (174.37 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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