Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/80-15 | 225/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.17 (741) | 27.4 (696) | -1.77 (-45) -6.1% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 91.65 (2327.92) | 86.08 (2186.55) | -5.57 (-141.37) -6.1% |
| Sidewall Height inches (mm) | 7.09 (180) | 6.2 (157.5) | -0.89 (-22.5) -12.5% |
| Revolutions per mile (km) | 691.32 (429.57) | 736.02 (457.34) | 44.7 (27.77) 6.5% |
225/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.79 mph (30.23 km/h) |
| 25 mph (40.23 km/h) | 23.48 mph (37.79 km/h) |
| 30 mph (48.28 km/h) | 28.18 mph (45.35 km/h) |
| 35 mph (56.33 km/h) | 32.87 mph (52.91 km/h) |
| 40 mph (64.37 km/h) | 37.57 mph (60.46 km/h) |
| 45 mph (72.42 km/h) | 42.27 mph (68.02 km/h) |
| 50 mph (80.47 km/h) | 46.96 mph (75.58 km/h) |
| 55 mph (88.51 km/h) | 51.66 mph (83.14 km/h) |
| 60 mph (96.56 km/h) | 56.36 mph (90.7 km/h) |
| 65 mph (104.61 km/h) | 61.05 mph (98.25 km/h) |
| 70 mph (112.65 km/h) | 65.75 mph (105.81 km/h) |
| 75 mph (120.7 km/h) | 70.45 mph (113.37 km/h) |
| 80 mph (128.75 km/h) | 75.14 mph (120.93 km/h) |
| 85 mph (136.79 km/h) | 79.84 mph (128.49 km/h) |
| 90 mph (144.84 km/h) | 84.53 mph (136.05 km/h) |
| 95 mph (152.89 km/h) | 89.23 mph (143.6 km/h) |
| 100 mph (160.93 km/h) | 93.93 mph (151.16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1873 | 2176 | 2343 | 2447 | 2558 | 2638 | 2726 | 2829 | 2973 | 3116 | 3276 | 3403 | 3634 | 3890 | 4089 | 4216 | 4288 | 4551 | 4918 | 5715 |
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