Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/75-15 | 225/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.27 (591) | 28.29 (718.5) | 5.02 (127.5) 21.6% |
| Width inches (mm) | 5.51 (140) | 8.86 (225) | 3.35 (85) 60.7% |
| Circum. inches (mm) | 73.1 (1856.68) | 88.87 (2257.23) | 15.77 (400.55) 21.6% |
| Sidewall Height inches (mm) | 4.13 (105) | 6.64 (168.75) | 2.51 (63.75) 60.7% |
| Revolutions per mile (km) | 866.79 (538.59) | 712.97 (443.02) | -153.81 (-95.58) -17.7% |
225/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.31 mph (39.13 km/h) |
| 25 mph (40.23 km/h) | 30.39 mph (48.91 km/h) |
| 30 mph (48.28 km/h) | 36.47 mph (58.7 km/h) |
| 35 mph (56.33 km/h) | 42.55 mph (68.48 km/h) |
| 40 mph (64.37 km/h) | 48.63 mph (78.26 km/h) |
| 45 mph (72.42 km/h) | 54.71 mph (88.04 km/h) |
| 50 mph (80.47 km/h) | 60.79 mph (97.83 km/h) |
| 55 mph (88.51 km/h) | 66.87 mph (107.61 km/h) |
| 60 mph (96.56 km/h) | 72.94 mph (117.39 km/h) |
| 65 mph (104.61 km/h) | 79.02 mph (127.18 km/h) |
| 70 mph (112.65 km/h) | 85.1 mph (136.96 km/h) |
| 75 mph (120.7 km/h) | 91.18 mph (146.74 km/h) |
| 80 mph (128.75 km/h) | 97.26 mph (156.52 km/h) |
| 85 mph (136.79 km/h) | 103.34 mph (166.31 km/h) |
| 90 mph (144.84 km/h) | 109.42 mph (176.09 km/h) |
| 95 mph (152.89 km/h) | 115.49 mph (185.87 km/h) |
| 100 mph (160.93 km/h) | 121.57 mph (195.65 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1814 | 2108 | 2270 | 2370 | 2478 | 2556 | 2640 | 2741 | 2880 | 3019 | 3173 | 3297 | 3521 | 3768 | 3961 | 4084 | 4154 | 4409 | 4764 | 5536 |
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