Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-20 | 375/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.2 (665.5) | 37.72 (958) | 11.52 (292.5) 44% |
| Width inches (mm) | 12.4 (315) | 14.76 (375) | 2.36 (60) 19% |
| Circum. inches (mm) | 82.31 (2090.73) | 118.49 (3009.65) | 36.18 (918.92) 44% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 8.86 (225) | 5.76 (146.25) 185.7% |
| Revolutions per mile (km) | 769.75 (478.3) | 534.73 (332.26) | -235.02 (-146.04) -30.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 28.79 mph (46.33 km/h) |
| 25 mph (40.23 km/h) | 35.99 mph (57.92 km/h) |
| 30 mph (48.28 km/h) | 43.19 mph (69.5 km/h) |
| 35 mph (56.33 km/h) | 50.38 mph (81.08 km/h) |
| 40 mph (64.37 km/h) | 57.58 mph (92.67 km/h) |
| 45 mph (72.42 km/h) | 64.78 mph (104.25 km/h) |
| 50 mph (80.47 km/h) | 71.98 mph (115.83 km/h) |
| 55 mph (88.51 km/h) | 79.17 mph (127.42 km/h) |
| 60 mph (96.56 km/h) | 86.37 mph (139 km/h) |
| 65 mph (104.61 km/h) | 93.57 mph (150.58 km/h) |
| 70 mph (112.65 km/h) | 100.77 mph (162.17 km/h) |
| 75 mph (120.7 km/h) | 107.96 mph (173.75 km/h) |
| 80 mph (128.75 km/h) | 115.16 mph (185.33 km/h) |
| 85 mph (136.79 km/h) | 122.36 mph (196.92 km/h) |
| 90 mph (144.84 km/h) | 129.56 mph (208.5 km/h) |
| 95 mph (152.89 km/h) | 136.75 mph (220.09 km/h) |
| 100 mph (160.93 km/h) | 143.95 mph (231.67 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1361 | 1581 | 1702 | 1778 | 1859 | 1917 | 1980 | 2056 | 2160 | 2264 | 2380 | 2473 | 2640 | 2826 | 2971 | 3063 | 3115 | 3306 | 3573 | 4152 |
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