Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/80-16 | 41/14-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.84 (910.4) | 41.02 (1042) | 5.18 (131.6) 14.5% |
| Width inches (mm) | 12.4 (315) | 14.02 (356) | 1.61 (41) 13% |
| Circum. inches (mm) | 112.6 (2860.11) | 128.88 (3273.54) | 16.28 (413.43) 14.5% |
| Sidewall Height inches (mm) | 9.92 (252) | 10.51 (267) | 0.59 (15) 6% |
| Revolutions per mile (km) | 562.69 (349.64) | 491.62 (305.48) | -71.06 (-44.16) -12.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.89 mph (36.84 km/h) |
| 25 mph (40.23 km/h) | 28.61 mph (46.05 km/h) |
| 30 mph (48.28 km/h) | 34.34 mph (55.26 km/h) |
| 35 mph (56.33 km/h) | 40.06 mph (64.47 km/h) |
| 40 mph (64.37 km/h) | 45.78 mph (73.68 km/h) |
| 45 mph (72.42 km/h) | 51.5 mph (82.89 km/h) |
| 50 mph (80.47 km/h) | 57.23 mph (92.1 km/h) |
| 55 mph (88.51 km/h) | 62.95 mph (101.31 km/h) |
| 60 mph (96.56 km/h) | 68.67 mph (110.52 km/h) |
| 65 mph (104.61 km/h) | 74.4 mph (119.73 km/h) |
| 70 mph (112.65 km/h) | 80.12 mph (128.94 km/h) |
| 75 mph (120.7 km/h) | 85.84 mph (138.15 km/h) |
| 80 mph (128.75 km/h) | 91.56 mph (147.36 km/h) |
| 85 mph (136.79 km/h) | 97.29 mph (156.57 km/h) |
| 90 mph (144.84 km/h) | 103.01 mph (165.78 km/h) |
| 95 mph (152.89 km/h) | 108.73 mph (174.99 km/h) |
| 100 mph (160.93 km/h) | 114.46 mph (184.2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1251 | 1453 | 1565 | 1634 | 1709 | 1762 | 1821 | 1890 | 1986 | 2082 | 2188 | 2273 | 2428 | 2598 | 2731 | 2816 | 2864 | 3040 | 3285 | 3817 |
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