Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/60-20 | 35/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.35 (898) | 35.02 (889.6) | -0.33 (-8.4) -0.9% |
| Width inches (mm) | 12.8 (325) | 12.52 (318) | -0.28 (-7) -2.2% |
| Circum. inches (mm) | 111.07 (2821.15) | 110.03 (2794.76) | -1.04 (-26.39) -0.9% |
| Sidewall Height inches (mm) | 7.68 (195) | 7.51 (190.8) | -0.17 (-4.2) -2.2% |
| Revolutions per mile (km) | 570.46 (354.46) | 575.84 (357.81) | 5.39 (3.35) 0.9% |
35/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.81 mph (31.89 km/h) |
| 25 mph (40.23 km/h) | 24.77 mph (39.86 km/h) |
| 30 mph (48.28 km/h) | 29.72 mph (47.83 km/h) |
| 35 mph (56.33 km/h) | 34.67 mph (55.8 km/h) |
| 40 mph (64.37 km/h) | 39.63 mph (63.77 km/h) |
| 45 mph (72.42 km/h) | 44.58 mph (71.74 km/h) |
| 50 mph (80.47 km/h) | 49.53 mph (79.71 km/h) |
| 55 mph (88.51 km/h) | 54.49 mph (87.69 km/h) |
| 60 mph (96.56 km/h) | 59.44 mph (95.66 km/h) |
| 65 mph (104.61 km/h) | 64.39 mph (103.63 km/h) |
| 70 mph (112.65 km/h) | 69.35 mph (111.6 km/h) |
| 75 mph (120.7 km/h) | 74.3 mph (119.57 km/h) |
| 80 mph (128.75 km/h) | 79.25 mph (127.54 km/h) |
| 85 mph (136.79 km/h) | 84.2 mph (135.51 km/h) |
| 90 mph (144.84 km/h) | 89.16 mph (143.49 km/h) |
| 95 mph (152.89 km/h) | 94.11 mph (151.46 km/h) |
| 100 mph (160.93 km/h) | 99.06 mph (159.43 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 | 2002 | 2064 | 2133 | 2214 | 2326 | 2438 | 2563 | 2663 | 2844 | 3043 | 3199 | 3299 | 3355 | 3561 | 3847 | 4471 |
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