Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/60-14 | 180/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.61 (523.6) | 23.5 (597) | 2.89 (73.4) 14% |
| Width inches (mm) | 5.51 (140) | 7.09 (180) | 1.57 (40) 28.6% |
| Circum. inches (mm) | 64.76 (1644.94) | 73.84 (1875.53) | 9.08 (230.59) 14% |
| Sidewall Height inches (mm) | 3.31 (84) | 4.25 (108) | 0.94 (24) 28.6% |
| Revolutions per mile (km) | 978.36 (607.92) | 858.07 (533.18) | -120.29 (-74.74) -12.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.8 mph (36.7 km/h) |
| 25 mph (40.23 km/h) | 28.5 mph (45.87 km/h) |
| 30 mph (48.28 km/h) | 34.21 mph (55.05 km/h) |
| 35 mph (56.33 km/h) | 39.91 mph (64.22 km/h) |
| 40 mph (64.37 km/h) | 45.61 mph (73.4 km/h) |
| 45 mph (72.42 km/h) | 51.31 mph (82.57 km/h) |
| 50 mph (80.47 km/h) | 57.01 mph (91.75 km/h) |
| 55 mph (88.51 km/h) | 62.71 mph (100.92 km/h) |
| 60 mph (96.56 km/h) | 68.41 mph (110.1 km/h) |
| 65 mph (104.61 km/h) | 74.11 mph (119.27 km/h) |
| 70 mph (112.65 km/h) | 79.81 mph (128.45 km/h) |
| 75 mph (120.7 km/h) | 85.51 mph (137.62 km/h) |
| 80 mph (128.75 km/h) | 91.21 mph (146.8 km/h) |
| 85 mph (136.79 km/h) | 96.92 mph (155.97 km/h) |
| 90 mph (144.84 km/h) | 102.62 mph (165.15 km/h) |
| 95 mph (152.89 km/h) | 108.32 mph (174.32 km/h) |
| 100 mph (160.93 km/h) | 114.02 mph (183.5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2184 | 2537 | 2732 | 2853 | 2983 | 3076 | 3178 | 3299 | 3466 | 3633 | 3819 | 3968 | 4237 | 4535 | 4767 | 4915 | 4999 | 5306 | 5733 | 6662 |
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