Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/50-15 | 275/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.04 (636) | 25.83 (656) | 0.79 (20) 3.1% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 78.66 (1998.05) | 81.14 (2060.88) | 2.47 (62.83) 3.1% |
| Sidewall Height inches (mm) | 5.02 (127.5) | 5.41 (137.5) | 0.39 (10) 7.8% |
| Revolutions per mile (km) | 805.46 (500.49) | 780.9 (485.23) | -24.56 (-15.26) -3% |
275/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.63 mph (33.2 km/h) |
| 25 mph (40.23 km/h) | 25.79 mph (41.5 km/h) |
| 30 mph (48.28 km/h) | 30.94 mph (49.8 km/h) |
| 35 mph (56.33 km/h) | 36.1 mph (58.1 km/h) |
| 40 mph (64.37 km/h) | 41.26 mph (66.4 km/h) |
| 45 mph (72.42 km/h) | 46.42 mph (74.7 km/h) |
| 50 mph (80.47 km/h) | 51.57 mph (83 km/h) |
| 55 mph (88.51 km/h) | 56.73 mph (91.3 km/h) |
| 60 mph (96.56 km/h) | 61.89 mph (99.6 km/h) |
| 65 mph (104.61 km/h) | 67.04 mph (107.9 km/h) |
| 70 mph (112.65 km/h) | 72.2 mph (116.2 km/h) |
| 75 mph (120.7 km/h) | 77.36 mph (124.5 km/h) |
| 80 mph (128.75 km/h) | 82.52 mph (132.8 km/h) |
| 85 mph (136.79 km/h) | 87.67 mph (141.1 km/h) |
| 90 mph (144.84 km/h) | 92.83 mph (149.4 km/h) |
| 95 mph (152.89 km/h) | 97.99 mph (157.7 km/h) |
| 100 mph (160.93 km/h) | 103.14 mph (166 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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