Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/70-15 | 225/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.3 (668) | 28.29 (718.5) | 1.99 (50.5) 7.6% |
| Width inches (mm) | 8.07 (205) | 8.86 (225) | 0.79 (20) 9.8% |
| Circum. inches (mm) | 82.62 (2098.58) | 88.87 (2257.23) | 6.25 (158.65) 7.6% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 6.64 (168.75) | 0.99 (25.25) 17.6% |
| Revolutions per mile (km) | 766.87 (476.51) | 712.97 (443.02) | -53.9 (-33.49) -7% |
225/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.51 mph (34.62 km/h) |
| 25 mph (40.23 km/h) | 26.89 mph (43.28 km/h) |
| 30 mph (48.28 km/h) | 32.27 mph (51.93 km/h) |
| 35 mph (56.33 km/h) | 37.65 mph (60.59 km/h) |
| 40 mph (64.37 km/h) | 43.02 mph (69.24 km/h) |
| 45 mph (72.42 km/h) | 48.4 mph (77.9 km/h) |
| 50 mph (80.47 km/h) | 53.78 mph (86.55 km/h) |
| 55 mph (88.51 km/h) | 59.16 mph (95.21 km/h) |
| 60 mph (96.56 km/h) | 64.54 mph (103.86 km/h) |
| 65 mph (104.61 km/h) | 69.91 mph (112.52 km/h) |
| 70 mph (112.65 km/h) | 75.29 mph (121.17 km/h) |
| 75 mph (120.7 km/h) | 80.67 mph (129.83 km/h) |
| 80 mph (128.75 km/h) | 86.05 mph (138.48 km/h) |
| 85 mph (136.79 km/h) | 91.43 mph (147.14 km/h) |
| 90 mph (144.84 km/h) | 96.8 mph (155.79 km/h) |
| 95 mph (152.89 km/h) | 102.18 mph (164.45 km/h) |
| 100 mph (160.93 km/h) | 107.56 mph (173.1 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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