Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 355/25-21 | 35/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.99 (710.9) | 35.02 (889.6) | 7.04 (178.7) 25.1% |
| Width inches (mm) | 13.98 (355) | 12.52 (318) | -1.46 (-37) -10.4% |
| Circum. inches (mm) | 87.93 (2233.36) | 110.03 (2794.76) | 22.1 (561.4) 25.1% |
| Sidewall Height inches (mm) | 3.49 (88.75) | 7.51 (190.8) | 4.02 (102.05) 115% |
| Revolutions per mile (km) | 720.59 (447.76) | 575.84 (357.81) | -144.75 (-89.94) -20.1% |
35/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.03 mph (40.28 km/h) |
| 25 mph (40.23 km/h) | 31.28 mph (50.35 km/h) |
| 30 mph (48.28 km/h) | 37.54 mph (60.42 km/h) |
| 35 mph (56.33 km/h) | 43.8 mph (70.49 km/h) |
| 40 mph (64.37 km/h) | 50.05 mph (80.56 km/h) |
| 45 mph (72.42 km/h) | 56.31 mph (90.63 km/h) |
| 50 mph (80.47 km/h) | 62.57 mph (100.69 km/h) |
| 55 mph (88.51 km/h) | 68.83 mph (110.76 km/h) |
| 60 mph (96.56 km/h) | 75.08 mph (120.83 km/h) |
| 65 mph (104.61 km/h) | 81.34 mph (130.9 km/h) |
| 70 mph (112.65 km/h) | 87.6 mph (140.97 km/h) |
| 75 mph (120.7 km/h) | 93.85 mph (151.04 km/h) |
| 80 mph (128.75 km/h) | 100.11 mph (161.11 km/h) |
| 85 mph (136.79 km/h) | 106.37 mph (171.18 km/h) |
| 90 mph (144.84 km/h) | 112.62 mph (181.25 km/h) |
| 95 mph (152.89 km/h) | 118.88 mph (191.32 km/h) |
| 100 mph (160.93 km/h) | 125.14 mph (201.39 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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