Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-20 | 35/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.41 (645.5) | 35.02 (889.6) | 9.61 (244.1) 37.8% |
| Width inches (mm) | 10.83 (275) | 12.52 (318) | 1.69 (43) 15.6% |
| Circum. inches (mm) | 79.84 (2027.9) | 110.03 (2794.76) | 30.19 (766.86) 37.8% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 7.51 (190.8) | 4.81 (122.05) 177.5% |
| Revolutions per mile (km) | 793.6 (493.12) | 575.84 (357.81) | -217.76 (-135.31) -27.4% |
35/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.56 mph (44.36 km/h) |
| 25 mph (40.23 km/h) | 34.45 mph (55.45 km/h) |
| 30 mph (48.28 km/h) | 41.34 mph (66.54 km/h) |
| 35 mph (56.33 km/h) | 48.24 mph (77.63 km/h) |
| 40 mph (64.37 km/h) | 55.13 mph (88.72 km/h) |
| 45 mph (72.42 km/h) | 62.02 mph (99.81 km/h) |
| 50 mph (80.47 km/h) | 68.91 mph (110.9 km/h) |
| 55 mph (88.51 km/h) | 75.8 mph (121.99 km/h) |
| 60 mph (96.56 km/h) | 82.69 mph (133.08 km/h) |
| 65 mph (104.61 km/h) | 89.58 mph (144.17 km/h) |
| 70 mph (112.65 km/h) | 96.47 mph (155.26 km/h) |
| 75 mph (120.7 km/h) | 103.36 mph (166.34 km/h) |
| 80 mph (128.75 km/h) | 110.25 mph (177.43 km/h) |
| 85 mph (136.79 km/h) | 117.14 mph (188.52 km/h) |
| 90 mph (144.84 km/h) | 124.03 mph (199.61 km/h) |
| 95 mph (152.89 km/h) | 130.92 mph (210.7 km/h) |
| 100 mph (160.93 km/h) | 137.82 mph (221.79 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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