Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 445/65-22.5 | 35/12.5-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 45.28 (1150) | 35.03 (889.68) | -10.25 (-260.32) -22.6% |
| Width inches (mm) | 17.52 (445) | 12.52 (318) | -5 (-127) -28.5% |
| Circum. inches (mm) | 142.24 (3612.83) | 110.04 (2795.01) | -32.2 (-817.82) -22.6% |
| Sidewall Height inches (mm) | 11.39 (289.25) | 8.51 (216.24) | -2.87 (-73.01) -25.2% |
| Revolutions per mile (km) | 445.45 (276.79) | 575.79 (357.78) | 130.34 (80.99) 29.3% |
35/12.5-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.47 mph (24.9 km/h) |
| 25 mph (40.23 km/h) | 19.34 mph (31.13 km/h) |
| 30 mph (48.28 km/h) | 23.21 mph (37.35 km/h) |
| 35 mph (56.33 km/h) | 27.08 mph (43.58 km/h) |
| 40 mph (64.37 km/h) | 30.95 mph (49.8 km/h) |
| 45 mph (72.42 km/h) | 34.81 mph (56.03 km/h) |
| 50 mph (80.47 km/h) | 38.68 mph (62.25 km/h) |
| 55 mph (88.51 km/h) | 42.55 mph (68.48 km/h) |
| 60 mph (96.56 km/h) | 46.42 mph (74.7 km/h) |
| 65 mph (104.61 km/h) | 50.29 mph (80.93 km/h) |
| 70 mph (112.65 km/h) | 54.15 mph (87.15 km/h) |
| 75 mph (120.7 km/h) | 58.02 mph (93.38 km/h) |
| 80 mph (128.75 km/h) | 61.89 mph (99.6 km/h) |
| 85 mph (136.79 km/h) | 65.76 mph (105.83 km/h) |
| 90 mph (144.84 km/h) | 69.63 mph (112.05 km/h) |
| 95 mph (152.89 km/h) | 73.5 mph (118.28 km/h) |
| 100 mph (160.93 km/h) | 77.36 mph (124.5 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 | 2132 | 2214 | 2326 | 2438 | 2563 | 2662 | 2843 | 3043 | 3199 | 3298 | 3355 | 3560 | 3847 | 4471 |
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