Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/50-15 | 275/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.22 (666) | 25.83 (656) | -0.39 (-10) -1.5% |
| Width inches (mm) | 11.22 (285) | 10.83 (275) | -0.39 (-10) -3.5% |
| Circum. inches (mm) | 82.37 (2092.3) | 81.14 (2060.88) | -1.24 (-31.42) -1.5% |
| Sidewall Height inches (mm) | 5.61 (142.5) | 5.41 (137.5) | -0.2 (-5) -3.5% |
| Revolutions per mile (km) | 769.17 (477.94) | 780.9 (485.23) | 11.73 (7.29) 1.5% |
275/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.7 mph (31.7 km/h) |
| 25 mph (40.23 km/h) | 24.62 mph (39.63 km/h) |
| 30 mph (48.28 km/h) | 29.55 mph (47.56 km/h) |
| 35 mph (56.33 km/h) | 34.47 mph (55.48 km/h) |
| 40 mph (64.37 km/h) | 39.4 mph (63.41 km/h) |
| 45 mph (72.42 km/h) | 44.32 mph (71.33 km/h) |
| 50 mph (80.47 km/h) | 49.25 mph (79.26 km/h) |
| 55 mph (88.51 km/h) | 54.17 mph (87.19 km/h) |
| 60 mph (96.56 km/h) | 59.1 mph (95.11 km/h) |
| 65 mph (104.61 km/h) | 64.02 mph (103.04 km/h) |
| 70 mph (112.65 km/h) | 68.95 mph (110.96 km/h) |
| 75 mph (120.7 km/h) | 73.87 mph (118.89 km/h) |
| 80 mph (128.75 km/h) | 78.8 mph (126.81 km/h) |
| 85 mph (136.79 km/h) | 83.72 mph (134.74 km/h) |
| 90 mph (144.84 km/h) | 88.65 mph (142.67 km/h) |
| 95 mph (152.89 km/h) | 93.57 mph (150.59 km/h) |
| 100 mph (160.93 km/h) | 98.5 mph (158.52 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1987 | 2309 | 2486 | 2596 | 2714 | 2799 | 2892 | 3002 | 3154 | 3306 | 3476 | 3611 | 3856 | 4127 | 4338 | 4473 | 4550 | 4829 | 5218 | 6063 |
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