Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/70-20 | 275/75-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.16 (893) | 36.24 (920.5) | 1.08 (27.5) 3.1% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 110.45 (2805.44) | 113.85 (2891.84) | 3.4 (86.39) 3.1% |
| Sidewall Height inches (mm) | 7.58 (192.5) | 8.12 (206.25) | 0.54 (13.75) 7.1% |
| Revolutions per mile (km) | 573.65 (356.45) | 556.51 (345.8) | -17.14 (-10.65) -3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.62 mph (33.18 km/h) |
| 25 mph (40.23 km/h) | 25.77 mph (41.47 km/h) |
| 30 mph (48.28 km/h) | 30.92 mph (49.77 km/h) |
| 35 mph (56.33 km/h) | 36.08 mph (58.06 km/h) |
| 40 mph (64.37 km/h) | 41.23 mph (66.36 km/h) |
| 45 mph (72.42 km/h) | 46.39 mph (74.65 km/h) |
| 50 mph (80.47 km/h) | 51.54 mph (82.95 km/h) |
| 55 mph (88.51 km/h) | 56.69 mph (91.24 km/h) |
| 60 mph (96.56 km/h) | 61.85 mph (99.53 km/h) |
| 65 mph (104.61 km/h) | 67 mph (107.83 km/h) |
| 70 mph (112.65 km/h) | 72.16 mph (116.12 km/h) |
| 75 mph (120.7 km/h) | 77.31 mph (124.42 km/h) |
| 80 mph (128.75 km/h) | 82.46 mph (132.71 km/h) |
| 85 mph (136.79 km/h) | 87.62 mph (141.01 km/h) |
| 90 mph (144.84 km/h) | 92.77 mph (149.3 km/h) |
| 95 mph (152.89 km/h) | 97.93 mph (157.6 km/h) |
| 100 mph (160.93 km/h) | 103.08 mph (165.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1416 | 1645 | 1772 | 1850 | 1934 | 1995 | 2061 | 2139 | 2248 | 2356 | 2477 | 2573 | 2748 | 2941 | 3092 | 3188 | 3242 | 3441 | 3718 | 4321 |
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