Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 280/80-16 | 35/12.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.64 (854.4) | 35.03 (889.8) | 1.39 (35.4) 4.1% |
| Width inches (mm) | 11.02 (280) | 12.52 (318) | 1.5 (38) 13.6% |
| Circum. inches (mm) | 105.68 (2684.18) | 110.05 (2795.39) | 4.38 (111.21) 4.1% |
| Sidewall Height inches (mm) | 8.82 (224) | 10.02 (254.4) | 1.2 (30.4) 13.6% |
| Revolutions per mile (km) | 599.57 (372.55) | 575.71 (357.73) | -23.85 (-14.82) -4% |
35/12.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.83 mph (33.52 km/h) |
| 25 mph (40.23 km/h) | 26.04 mph (41.9 km/h) |
| 30 mph (48.28 km/h) | 31.24 mph (50.28 km/h) |
| 35 mph (56.33 km/h) | 36.45 mph (58.66 km/h) |
| 40 mph (64.37 km/h) | 41.66 mph (67.04 km/h) |
| 45 mph (72.42 km/h) | 46.86 mph (75.42 km/h) |
| 50 mph (80.47 km/h) | 52.07 mph (83.8 km/h) |
| 55 mph (88.51 km/h) | 57.28 mph (92.18 km/h) |
| 60 mph (96.56 km/h) | 62.49 mph (100.56 km/h) |
| 65 mph (104.61 km/h) | 67.69 mph (108.94 km/h) |
| 70 mph (112.65 km/h) | 72.9 mph (117.32 km/h) |
| 75 mph (120.7 km/h) | 78.11 mph (125.7 km/h) |
| 80 mph (128.75 km/h) | 83.31 mph (134.08 km/h) |
| 85 mph (136.79 km/h) | 88.52 mph (142.46 km/h) |
| 90 mph (144.84 km/h) | 93.73 mph (150.84 km/h) |
| 95 mph (152.89 km/h) | 98.94 mph (159.22 km/h) |
| 100 mph (160.93 km/h) | 104.14 mph (167.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1465 | 1702 | 1833 | 1914 | 2001 | 2064 | 2132 | 2213 | 2325 | 2438 | 2562 | 2662 | 2843 | 3042 | 3198 | 3298 | 3354 | 3560 | 3847 | 4470 |
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