Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/70-15 | 225/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.95 (710) | 27.4 (696) | -0.55 (-14) -2% |
| Width inches (mm) | 9.25 (235) | 8.86 (225) | -0.39 (-10) -4.3% |
| Circum. inches (mm) | 87.82 (2230.53) | 86.08 (2186.55) | -1.73 (-43.98) -2% |
| Sidewall Height inches (mm) | 6.48 (164.5) | 6.2 (157.5) | -0.28 (-7) -4.3% |
| Revolutions per mile (km) | 721.51 (448.32) | 736.02 (457.34) | 14.51 (9.02) 2% |
225/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.61 mph (31.55 km/h) |
| 25 mph (40.23 km/h) | 24.51 mph (39.44 km/h) |
| 30 mph (48.28 km/h) | 29.41 mph (47.33 km/h) |
| 35 mph (56.33 km/h) | 34.31 mph (55.22 km/h) |
| 40 mph (64.37 km/h) | 39.21 mph (63.1 km/h) |
| 45 mph (72.42 km/h) | 44.11 mph (70.99 km/h) |
| 50 mph (80.47 km/h) | 49.01 mph (78.88 km/h) |
| 55 mph (88.51 km/h) | 53.92 mph (86.77 km/h) |
| 60 mph (96.56 km/h) | 58.82 mph (94.66 km/h) |
| 65 mph (104.61 km/h) | 63.72 mph (102.54 km/h) |
| 70 mph (112.65 km/h) | 68.62 mph (110.43 km/h) |
| 75 mph (120.7 km/h) | 73.52 mph (118.32 km/h) |
| 80 mph (128.75 km/h) | 78.42 mph (126.21 km/h) |
| 85 mph (136.79 km/h) | 83.32 mph (134.1 km/h) |
| 90 mph (144.84 km/h) | 88.23 mph (141.99 km/h) |
| 95 mph (152.89 km/h) | 93.13 mph (149.87 km/h) |
| 100 mph (160.93 km/h) | 98.03 mph (157.76 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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