Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/60-15 | 35/12.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.35 (771) | 35.03 (889.8) | 4.68 (118.8) 15.4% |
| Width inches (mm) | 12.8 (325) | 12.52 (318) | -0.28 (-7) -2.2% |
| Circum. inches (mm) | 95.36 (2422.17) | 110.05 (2795.39) | 14.69 (373.22) 15.4% |
| Sidewall Height inches (mm) | 7.68 (195) | 10.02 (254.4) | 2.34 (59.4) 30.5% |
| Revolutions per mile (km) | 664.42 (412.85) | 575.71 (357.73) | -88.71 (-55.12) -13.4% |
35/12.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.08 mph (37.15 km/h) |
| 25 mph (40.23 km/h) | 28.85 mph (46.43 km/h) |
| 30 mph (48.28 km/h) | 34.62 mph (55.72 km/h) |
| 35 mph (56.33 km/h) | 40.39 mph (65.01 km/h) |
| 40 mph (64.37 km/h) | 46.16 mph (74.29 km/h) |
| 45 mph (72.42 km/h) | 51.93 mph (83.58 km/h) |
| 50 mph (80.47 km/h) | 57.7 mph (92.87 km/h) |
| 55 mph (88.51 km/h) | 63.47 mph (102.15 km/h) |
| 60 mph (96.56 km/h) | 69.25 mph (111.44 km/h) |
| 65 mph (104.61 km/h) | 75.02 mph (120.73 km/h) |
| 70 mph (112.65 km/h) | 80.79 mph (130.01 km/h) |
| 75 mph (120.7 km/h) | 86.56 mph (139.3 km/h) |
| 80 mph (128.75 km/h) | 92.33 mph (148.59 km/h) |
| 85 mph (136.79 km/h) | 98.1 mph (157.87 km/h) |
| 90 mph (144.84 km/h) | 103.87 mph (167.16 km/h) |
| 95 mph (152.89 km/h) | 109.64 mph (176.45 km/h) |
| 100 mph (160.93 km/h) | 115.41 mph (185.73 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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