Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/75-15 | 255/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.29 (718.5) | 29.06 (738) | 0.77 (19.5) 2.7% |
| Width inches (mm) | 8.86 (225) | 10.04 (255) | 1.18 (30) 13.3% |
| Circum. inches (mm) | 88.87 (2257.23) | 91.28 (2318.5) | 2.41 (61.26) 2.7% |
| Sidewall Height inches (mm) | 6.64 (168.75) | 7.03 (178.5) | 0.38 (9.75) 5.8% |
| Revolutions per mile (km) | 712.97 (443.02) | 694.13 (431.31) | -18.84 (-11.71) -2.6% |
255/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.54 mph (33.06 km/h) |
| 25 mph (40.23 km/h) | 25.68 mph (41.33 km/h) |
| 30 mph (48.28 km/h) | 30.81 mph (49.59 km/h) |
| 35 mph (56.33 km/h) | 35.95 mph (57.86 km/h) |
| 40 mph (64.37 km/h) | 41.09 mph (66.12 km/h) |
| 45 mph (72.42 km/h) | 46.22 mph (74.39 km/h) |
| 50 mph (80.47 km/h) | 51.36 mph (82.65 km/h) |
| 55 mph (88.51 km/h) | 56.49 mph (90.92 km/h) |
| 60 mph (96.56 km/h) | 61.63 mph (99.18 km/h) |
| 65 mph (104.61 km/h) | 66.76 mph (107.45 km/h) |
| 70 mph (112.65 km/h) | 71.9 mph (115.71 km/h) |
| 75 mph (120.7 km/h) | 77.04 mph (123.98 km/h) |
| 80 mph (128.75 km/h) | 82.17 mph (132.24 km/h) |
| 85 mph (136.79 km/h) | 87.31 mph (140.51 km/h) |
| 90 mph (144.84 km/h) | 92.44 mph (148.77 km/h) |
| 95 mph (152.89 km/h) | 97.58 mph (157.04 km/h) |
| 100 mph (160.93 km/h) | 102.71 mph (165.3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1766 | 2052 | 2210 | 2308 | 2413 | 2488 | 2571 | 2668 | 2804 | 2939 | 3089 | 3210 | 3428 | 3668 | 3856 | 3976 | 4044 | 4292 | 4638 | 5390 |
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