Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/70-18 | 255/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.06 (814.2) | 30.06 (763.4) | -2 (-50.8) -6.2% |
| Width inches (mm) | 10.04 (255) | 10.04 (255) | 0 (0) 0% |
| Circum. inches (mm) | 100.7 (2557.88) | 94.42 (2398.29) | -6.28 (-159.59) -6.2% |
| Sidewall Height inches (mm) | 7.03 (178.5) | 7.03 (178.5) | 0 (0) 0% |
| Revolutions per mile (km) | 629.17 (390.95) | 671.04 (416.96) | 41.87 (26.02) 6.7% |
255/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.75 mph (30.18 km/h) |
| 25 mph (40.23 km/h) | 23.44 mph (37.72 km/h) |
| 30 mph (48.28 km/h) | 28.13 mph (45.27 km/h) |
| 35 mph (56.33 km/h) | 32.82 mph (52.81 km/h) |
| 40 mph (64.37 km/h) | 37.5 mph (60.36 km/h) |
| 45 mph (72.42 km/h) | 42.19 mph (67.9 km/h) |
| 50 mph (80.47 km/h) | 46.88 mph (75.45 km/h) |
| 55 mph (88.51 km/h) | 51.57 mph (82.99 km/h) |
| 60 mph (96.56 km/h) | 56.26 mph (90.54 km/h) |
| 65 mph (104.61 km/h) | 60.94 mph (98.08 km/h) |
| 70 mph (112.65 km/h) | 65.63 mph (105.63 km/h) |
| 75 mph (120.7 km/h) | 70.32 mph (113.17 km/h) |
| 80 mph (128.75 km/h) | 75.01 mph (120.71 km/h) |
| 85 mph (136.79 km/h) | 79.7 mph (128.26 km/h) |
| 90 mph (144.84 km/h) | 84.38 mph (135.8 km/h) |
| 95 mph (152.89 km/h) | 89.07 mph (143.35 km/h) |
| 100 mph (160.93 km/h) | 93.76 mph (150.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1708 | 1984 | 2136 | 2231 | 2333 | 2405 | 2485 | 2580 | 2710 | 2841 | 2987 | 3103 | 3314 | 3546 | 3728 | 3844 | 3909 | 4149 | 4484 | 5210 |
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