Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/75-15 | 225/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.88 (733.5) | 27.4 (696) | -1.48 (-37.5) -5.1% |
| Width inches (mm) | 9.25 (235) | 8.86 (225) | -0.39 (-10) -4.3% |
| Circum. inches (mm) | 90.72 (2304.36) | 86.08 (2186.55) | -4.64 (-117.81) -5.1% |
| Sidewall Height inches (mm) | 6.94 (176.25) | 6.2 (157.5) | -0.74 (-18.75) -10.6% |
| Revolutions per mile (km) | 698.39 (433.96) | 736.02 (457.34) | 37.63 (23.38) 5.4% |
225/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.98 mph (30.54 km/h) |
| 25 mph (40.23 km/h) | 23.72 mph (38.18 km/h) |
| 30 mph (48.28 km/h) | 28.47 mph (45.81 km/h) |
| 35 mph (56.33 km/h) | 33.21 mph (53.45 km/h) |
| 40 mph (64.37 km/h) | 37.96 mph (61.08 km/h) |
| 45 mph (72.42 km/h) | 42.7 mph (68.72 km/h) |
| 50 mph (80.47 km/h) | 47.44 mph (76.35 km/h) |
| 55 mph (88.51 km/h) | 52.19 mph (83.99 km/h) |
| 60 mph (96.56 km/h) | 56.93 mph (91.62 km/h) |
| 65 mph (104.61 km/h) | 61.68 mph (99.26 km/h) |
| 70 mph (112.65 km/h) | 66.42 mph (106.89 km/h) |
| 75 mph (120.7 km/h) | 71.17 mph (114.53 km/h) |
| 80 mph (128.75 km/h) | 75.91 mph (122.17 km/h) |
| 85 mph (136.79 km/h) | 80.65 mph (129.8 km/h) |
| 90 mph (144.84 km/h) | 85.4 mph (137.44 km/h) |
| 95 mph (152.89 km/h) | 90.14 mph (145.07 km/h) |
| 100 mph (160.93 km/h) | 94.89 mph (152.71 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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