Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-23 | 405/30-26 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.2 (741.7) | 35.57 (903.4) | 6.37 (161.7) 21.8% |
| Width inches (mm) | 12.4 (315) | 15.94 (405) | 3.54 (90) 28.6% |
| Circum. inches (mm) | 91.74 (2330.12) | 111.74 (2838.11) | 20 (508) 21.8% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 4.78 (121.5) | 1.68 (42.75) 54.3% |
| Revolutions per mile (km) | 690.67 (429.16) | 567.05 (352.35) | -123.62 (-76.82) -17.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.36 mph (39.2 km/h) |
| 25 mph (40.23 km/h) | 30.45 mph (49.01 km/h) |
| 30 mph (48.28 km/h) | 36.54 mph (58.81 km/h) |
| 35 mph (56.33 km/h) | 42.63 mph (68.61 km/h) |
| 40 mph (64.37 km/h) | 48.72 mph (78.41 km/h) |
| 45 mph (72.42 km/h) | 54.81 mph (88.21 km/h) |
| 50 mph (80.47 km/h) | 60.9 mph (98.01 km/h) |
| 55 mph (88.51 km/h) | 66.99 mph (107.81 km/h) |
| 60 mph (96.56 km/h) | 73.08 mph (117.61 km/h) |
| 65 mph (104.61 km/h) | 79.17 mph (127.41 km/h) |
| 70 mph (112.65 km/h) | 85.26 mph (137.21 km/h) |
| 75 mph (120.7 km/h) | 91.35 mph (147.02 km/h) |
| 80 mph (128.75 km/h) | 97.44 mph (156.82 km/h) |
| 85 mph (136.79 km/h) | 103.53 mph (166.62 km/h) |
| 90 mph (144.84 km/h) | 109.62 mph (176.42 km/h) |
| 95 mph (152.89 km/h) | 115.71 mph (186.22 km/h) |
| 100 mph (160.93 km/h) | 121.8 mph (196.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1443 | 1676 | 1805 | 1885 | 1971 | 2033 | 2100 | 2180 | 2290 | 2401 | 2524 | 2622 | 2800 | 2997 | 3150 | 3248 | 3304 | 3506 | 3789 | 4403 |
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