Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/80-15 | 225/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.17 (741) | 28.29 (718.5) | -0.89 (-22.5) -3% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 91.65 (2327.92) | 88.87 (2257.23) | -2.78 (-70.69) -3% |
| Sidewall Height inches (mm) | 7.09 (180) | 6.64 (168.75) | -0.44 (-11.25) -6.3% |
| Revolutions per mile (km) | 691.32 (429.57) | 712.97 (443.02) | 21.65 (13.45) 3.1% |
225/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.39 mph (31.21 km/h) |
| 25 mph (40.23 km/h) | 24.24 mph (39.01 km/h) |
| 30 mph (48.28 km/h) | 29.09 mph (46.81 km/h) |
| 35 mph (56.33 km/h) | 33.94 mph (54.62 km/h) |
| 40 mph (64.37 km/h) | 38.79 mph (62.42 km/h) |
| 45 mph (72.42 km/h) | 43.63 mph (70.22 km/h) |
| 50 mph (80.47 km/h) | 48.48 mph (78.02 km/h) |
| 55 mph (88.51 km/h) | 53.33 mph (85.83 km/h) |
| 60 mph (96.56 km/h) | 58.18 mph (93.63 km/h) |
| 65 mph (104.61 km/h) | 63.03 mph (101.43 km/h) |
| 70 mph (112.65 km/h) | 67.87 mph (109.23 km/h) |
| 75 mph (120.7 km/h) | 72.72 mph (117.04 km/h) |
| 80 mph (128.75 km/h) | 77.57 mph (124.84 km/h) |
| 85 mph (136.79 km/h) | 82.42 mph (132.64 km/h) |
| 90 mph (144.84 km/h) | 87.27 mph (140.44 km/h) |
| 95 mph (152.89 km/h) | 92.12 mph (148.25 km/h) |
| 100 mph (160.93 km/h) | 96.96 mph (156.05 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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