Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/75-22.5 | 275/65-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 38.15 (969) | 34.07 (865.5) | -4.07 (-103.5) -10.7% |
| Width inches (mm) | 10.43 (265) | 10.83 (275) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 119.85 (3044.2) | 107.05 (2719.05) | -12.8 (-325.15) -10.7% |
| Sidewall Height inches (mm) | 7.82 (198.75) | 7.04 (178.75) | -0.79 (-20) -10.1% |
| Revolutions per mile (km) | 528.66 (328.49) | 591.88 (367.78) | 63.22 (39.28) 12% |
275/65-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.86 mph (28.75 km/h) |
| 25 mph (40.23 km/h) | 22.33 mph (35.94 km/h) |
| 30 mph (48.28 km/h) | 26.8 mph (43.12 km/h) |
| 35 mph (56.33 km/h) | 31.26 mph (50.31 km/h) |
| 40 mph (64.37 km/h) | 35.73 mph (57.5 km/h) |
| 45 mph (72.42 km/h) | 40.19 mph (64.69 km/h) |
| 50 mph (80.47 km/h) | 44.66 mph (71.87 km/h) |
| 55 mph (88.51 km/h) | 49.13 mph (79.06 km/h) |
| 60 mph (96.56 km/h) | 53.59 mph (86.25 km/h) |
| 65 mph (104.61 km/h) | 58.06 mph (93.43 km/h) |
| 70 mph (112.65 km/h) | 62.52 mph (100.62 km/h) |
| 75 mph (120.7 km/h) | 66.99 mph (107.81 km/h) |
| 80 mph (128.75 km/h) | 71.46 mph (115 km/h) |
| 85 mph (136.79 km/h) | 75.92 mph (122.18 km/h) |
| 90 mph (144.84 km/h) | 80.39 mph (129.37 km/h) |
| 95 mph (152.89 km/h) | 84.85 mph (136.56 km/h) |
| 100 mph (160.93 km/h) | 89.32 mph (143.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1506 | 1750 | 1884 | 1968 | 2057 | 2122 | 2192 | 2275 | 2391 | 2506 | 2634 | 2737 | 2923 | 3128 | 3288 | 3391 | 3448 | 3660 | 3955 | 4596 |
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