Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/80-16 | 35/12.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.47 (926.4) | 35.03 (889.8) | -1.44 (-36.6) -4% |
| Width inches (mm) | 12.8 (325) | 12.52 (318) | -0.28 (-7) -2.2% |
| Circum. inches (mm) | 114.58 (2910.37) | 110.05 (2795.39) | -4.53 (-114.98) -4% |
| Sidewall Height inches (mm) | 10.24 (260) | 10.02 (254.4) | -0.22 (-5.6) -2.2% |
| Revolutions per mile (km) | 552.97 (343.6) | 575.71 (357.73) | 22.75 (14.13) 4.1% |
35/12.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.21 mph (30.92 km/h) |
| 25 mph (40.23 km/h) | 24.01 mph (38.64 km/h) |
| 30 mph (48.28 km/h) | 28.81 mph (46.37 km/h) |
| 35 mph (56.33 km/h) | 33.62 mph (54.1 km/h) |
| 40 mph (64.37 km/h) | 38.42 mph (61.83 km/h) |
| 45 mph (72.42 km/h) | 43.22 mph (69.56 km/h) |
| 50 mph (80.47 km/h) | 48.02 mph (77.29 km/h) |
| 55 mph (88.51 km/h) | 52.83 mph (85.02 km/h) |
| 60 mph (96.56 km/h) | 57.63 mph (92.75 km/h) |
| 65 mph (104.61 km/h) | 62.43 mph (100.47 km/h) |
| 70 mph (112.65 km/h) | 67.23 mph (108.2 km/h) |
| 75 mph (120.7 km/h) | 72.04 mph (115.93 km/h) |
| 80 mph (128.75 km/h) | 76.84 mph (123.66 km/h) |
| 85 mph (136.79 km/h) | 81.64 mph (131.39 km/h) |
| 90 mph (144.84 km/h) | 86.44 mph (139.12 km/h) |
| 95 mph (152.89 km/h) | 91.25 mph (146.85 km/h) |
| 100 mph (160.93 km/h) | 96.05 mph (154.58 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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