Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/30-20 | 395/45-26 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (637) | 40 (1015.9) | 14.92 (378.9) 59.5% |
| Width inches (mm) | 8.46 (215) | 15.55 (395) | 7.09 (180) 83.7% |
| Circum. inches (mm) | 78.79 (2001.19) | 125.65 (3191.54) | 46.86 (1190.35) 59.5% |
| Sidewall Height inches (mm) | 2.54 (64.5) | 7 (177.75) | 4.46 (113.25) 175.6% |
| Revolutions per mile (km) | 804.19 (499.7) | 504.25 (313.33) | -299.94 (-186.37) -37.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 31.9 mph (51.33 km/h) |
| 25 mph (40.23 km/h) | 39.87 mph (64.17 km/h) |
| 30 mph (48.28 km/h) | 47.84 mph (77 km/h) |
| 35 mph (56.33 km/h) | 55.82 mph (89.83 km/h) |
| 40 mph (64.37 km/h) | 63.79 mph (102.66 km/h) |
| 45 mph (72.42 km/h) | 71.77 mph (115.5 km/h) |
| 50 mph (80.47 km/h) | 79.74 mph (128.33 km/h) |
| 55 mph (88.51 km/h) | 87.72 mph (141.16 km/h) |
| 60 mph (96.56 km/h) | 95.69 mph (154 km/h) |
| 65 mph (104.61 km/h) | 103.66 mph (166.83 km/h) |
| 70 mph (112.65 km/h) | 111.64 mph (179.66 km/h) |
| 75 mph (120.7 km/h) | 119.61 mph (192.5 km/h) |
| 80 mph (128.75 km/h) | 127.59 mph (205.33 km/h) |
| 85 mph (136.79 km/h) | 135.56 mph (218.16 km/h) |
| 90 mph (144.84 km/h) | 143.53 mph (231 km/h) |
| 95 mph (152.89 km/h) | 151.51 mph (243.83 km/h) |
| 100 mph (160.93 km/h) | 159.48 mph (256.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1283 | 1491 | 1605 | 1676 | 1753 | 1807 | 1868 | 1938 | 2037 | 2135 | 2244 | 2332 | 2490 | 2665 | 2801 | 2889 | 2938 | 3118 | 3369 | 3915 |
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