Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 445/65-22.5 | 275/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 45.28 (1150) | 32.16 (816.8) | -13.12 (-333.2) -29% |
| Width inches (mm) | 17.52 (445) | 10.83 (275) | -6.69 (-170) -38.2% |
| Circum. inches (mm) | 142.24 (3612.83) | 101.03 (2566.05) | -41.21 (-1046.78) -29% |
| Sidewall Height inches (mm) | 11.39 (289.25) | 7.58 (192.5) | -3.81 (-96.75) -33.4% |
| Revolutions per mile (km) | 445.45 (276.79) | 627.17 (389.7) | 181.71 (112.91) 40.8% |
275/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 14.21 mph (22.86 km/h) |
| 25 mph (40.23 km/h) | 17.76 mph (28.58 km/h) |
| 30 mph (48.28 km/h) | 21.31 mph (34.29 km/h) |
| 35 mph (56.33 km/h) | 24.86 mph (40.01 km/h) |
| 40 mph (64.37 km/h) | 28.41 mph (45.72 km/h) |
| 45 mph (72.42 km/h) | 31.96 mph (51.44 km/h) |
| 50 mph (80.47 km/h) | 35.51 mph (57.15 km/h) |
| 55 mph (88.51 km/h) | 39.06 mph (62.87 km/h) |
| 60 mph (96.56 km/h) | 42.62 mph (68.58 km/h) |
| 65 mph (104.61 km/h) | 46.17 mph (74.3 km/h) |
| 70 mph (112.65 km/h) | 49.72 mph (80.01 km/h) |
| 75 mph (120.7 km/h) | 53.27 mph (85.73 km/h) |
| 80 mph (128.75 km/h) | 56.82 mph (91.44 km/h) |
| 85 mph (136.79 km/h) | 60.37 mph (97.16 km/h) |
| 90 mph (144.84 km/h) | 63.92 mph (102.88 km/h) |
| 95 mph (152.89 km/h) | 67.47 mph (108.59 km/h) |
| 100 mph (160.93 km/h) | 71.03 mph (114.31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1596 | 1854 | 1997 | 2085 | 2180 | 2248 | 2323 | 2411 | 2533 | 2656 | 2791 | 2900 | 3097 | 3314 | 3484 | 3593 | 3654 | 3878 | 4190 | 4870 |
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