Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/55-17 | 225/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.74 (679.3) | 27.4 (696) | 0.66 (16.7) 2.5% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 84.02 (2134.08) | 86.08 (2186.55) | 2.07 (52.46) 2.5% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 6.2 (157.5) | 1.33 (33.75) 27.3% |
| Revolutions per mile (km) | 754.11 (468.58) | 736.02 (457.34) | -18.09 (-11.24) -2.4% |
225/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.49 mph (32.98 km/h) |
| 25 mph (40.23 km/h) | 25.61 mph (41.22 km/h) |
| 30 mph (48.28 km/h) | 30.74 mph (49.47 km/h) |
| 35 mph (56.33 km/h) | 35.86 mph (57.71 km/h) |
| 40 mph (64.37 km/h) | 40.98 mph (65.96 km/h) |
| 45 mph (72.42 km/h) | 46.11 mph (74.2 km/h) |
| 50 mph (80.47 km/h) | 51.23 mph (82.45 km/h) |
| 55 mph (88.51 km/h) | 56.35 mph (90.69 km/h) |
| 60 mph (96.56 km/h) | 61.48 mph (98.93 km/h) |
| 65 mph (104.61 km/h) | 66.6 mph (107.18 km/h) |
| 70 mph (112.65 km/h) | 71.72 mph (115.42 km/h) |
| 75 mph (120.7 km/h) | 76.84 mph (123.67 km/h) |
| 80 mph (128.75 km/h) | 81.97 mph (131.91 km/h) |
| 85 mph (136.79 km/h) | 87.09 mph (140.16 km/h) |
| 90 mph (144.84 km/h) | 92.21 mph (148.4 km/h) |
| 95 mph (152.89 km/h) | 97.34 mph (156.65 km/h) |
| 100 mph (160.93 km/h) | 102.46 mph (164.89 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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