Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/30-14 | 225/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.31 (490.6) | 28.29 (718.5) | 8.97 (227.9) 46.5% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 60.68 (1541.27) | 88.87 (2257.23) | 28.19 (715.97) 46.5% |
| Sidewall Height inches (mm) | 2.66 (67.5) | 6.64 (168.75) | 3.99 (101.25) 150% |
| Revolutions per mile (km) | 1044.17 (648.82) | 712.97 (443.02) | -331.2 (-205.8) -31.7% |
225/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 29.29 mph (47.14 km/h) |
| 25 mph (40.23 km/h) | 36.61 mph (58.92 km/h) |
| 30 mph (48.28 km/h) | 43.94 mph (70.71 km/h) |
| 35 mph (56.33 km/h) | 51.26 mph (82.49 km/h) |
| 40 mph (64.37 km/h) | 58.58 mph (94.28 km/h) |
| 45 mph (72.42 km/h) | 65.9 mph (106.06 km/h) |
| 50 mph (80.47 km/h) | 73.23 mph (117.85 km/h) |
| 55 mph (88.51 km/h) | 80.55 mph (129.63 km/h) |
| 60 mph (96.56 km/h) | 87.87 mph (141.42 km/h) |
| 65 mph (104.61 km/h) | 95.19 mph (153.2 km/h) |
| 70 mph (112.65 km/h) | 102.52 mph (164.99 km/h) |
| 75 mph (120.7 km/h) | 109.84 mph (176.77 km/h) |
| 80 mph (128.75 km/h) | 117.16 mph (188.56 km/h) |
| 85 mph (136.79 km/h) | 124.49 mph (200.34 km/h) |
| 90 mph (144.84 km/h) | 131.81 mph (212.12 km/h) |
| 95 mph (152.89 km/h) | 139.13 mph (223.91 km/h) |
| 100 mph (160.93 km/h) | 146.45 mph (235.69 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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