Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/65-20 | 35/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.56 (852.5) | 35.02 (889.6) | 1.46 (37.1) 4.4% |
| Width inches (mm) | 10.43 (265) | 12.52 (318) | 2.09 (53) 20% |
| Circum. inches (mm) | 105.44 (2678.21) | 110.03 (2794.76) | 4.59 (116.55) 4.4% |
| Sidewall Height inches (mm) | 6.78 (172.25) | 7.51 (190.8) | 0.73 (18.55) 10.8% |
| Revolutions per mile (km) | 600.9 (373.38) | 575.84 (357.81) | -25.06 (-15.57) -4.2% |
35/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.87 mph (33.59 km/h) |
| 25 mph (40.23 km/h) | 26.09 mph (41.98 km/h) |
| 30 mph (48.28 km/h) | 31.31 mph (50.38 km/h) |
| 35 mph (56.33 km/h) | 36.52 mph (58.78 km/h) |
| 40 mph (64.37 km/h) | 41.74 mph (67.18 km/h) |
| 45 mph (72.42 km/h) | 46.96 mph (75.57 km/h) |
| 50 mph (80.47 km/h) | 52.18 mph (83.97 km/h) |
| 55 mph (88.51 km/h) | 57.39 mph (92.37 km/h) |
| 60 mph (96.56 km/h) | 62.61 mph (100.76 km/h) |
| 65 mph (104.61 km/h) | 67.83 mph (109.16 km/h) |
| 70 mph (112.65 km/h) | 73.05 mph (117.56 km/h) |
| 75 mph (120.7 km/h) | 78.26 mph (125.95 km/h) |
| 80 mph (128.75 km/h) | 83.48 mph (134.35 km/h) |
| 85 mph (136.79 km/h) | 88.7 mph (142.75 km/h) |
| 90 mph (144.84 km/h) | 93.92 mph (151.14 km/h) |
| 95 mph (152.89 km/h) | 99.13 mph (159.54 km/h) |
| 100 mph (160.93 km/h) | 104.35 mph (167.94 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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