Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/90-15 | 275/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.86 (606) | 25.83 (656) | 1.97 (50) 8.3% |
| Width inches (mm) | 4.92 (125) | 10.83 (275) | 5.91 (150) 120% |
| Circum. inches (mm) | 74.95 (1903.81) | 81.14 (2060.88) | 6.18 (157.08) 8.3% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 5.41 (137.5) | 0.98 (25) 22.2% |
| Revolutions per mile (km) | 845.33 (525.26) | 780.9 (485.23) | -64.43 (-40.04) -7.6% |
275/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.65 mph (34.84 km/h) |
| 25 mph (40.23 km/h) | 27.06 mph (43.55 km/h) |
| 30 mph (48.28 km/h) | 32.48 mph (52.26 km/h) |
| 35 mph (56.33 km/h) | 37.89 mph (60.97 km/h) |
| 40 mph (64.37 km/h) | 43.3 mph (69.69 km/h) |
| 45 mph (72.42 km/h) | 48.71 mph (78.4 km/h) |
| 50 mph (80.47 km/h) | 54.13 mph (87.11 km/h) |
| 55 mph (88.51 km/h) | 59.54 mph (95.82 km/h) |
| 60 mph (96.56 km/h) | 64.95 mph (104.53 km/h) |
| 65 mph (104.61 km/h) | 70.36 mph (113.24 km/h) |
| 70 mph (112.65 km/h) | 75.78 mph (121.95 km/h) |
| 75 mph (120.7 km/h) | 81.19 mph (130.66 km/h) |
| 80 mph (128.75 km/h) | 86.6 mph (139.37 km/h) |
| 85 mph (136.79 km/h) | 92.01 mph (148.08 km/h) |
| 90 mph (144.84 km/h) | 97.43 mph (156.79 km/h) |
| 95 mph (152.89 km/h) | 102.84 mph (165.5 km/h) |
| 100 mph (160.93 km/h) | 108.25 mph (174.21 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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