Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 280/80-16 | 34/11.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.64 (854.4) | 33.93 (861.92) | 0.3 (7.52) 0.9% |
| Width inches (mm) | 11.02 (280) | 11.5 (292) | 0.47 (12) 4.3% |
| Circum. inches (mm) | 105.68 (2684.18) | 106.61 (2707.8) | 0.93 (23.62) 0.9% |
| Sidewall Height inches (mm) | 8.82 (224) | 8.97 (227.76) | 0.15 (3.76) 1.7% |
| Revolutions per mile (km) | 599.57 (372.55) | 594.34 (369.3) | -5.23 (-3.25) -0.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.18 mph (32.47 km/h) |
| 25 mph (40.23 km/h) | 25.22 mph (40.59 km/h) |
| 30 mph (48.28 km/h) | 30.26 mph (48.71 km/h) |
| 35 mph (56.33 km/h) | 35.31 mph (56.82 km/h) |
| 40 mph (64.37 km/h) | 40.35 mph (64.94 km/h) |
| 45 mph (72.42 km/h) | 45.4 mph (73.06 km/h) |
| 50 mph (80.47 km/h) | 50.44 mph (81.18 km/h) |
| 55 mph (88.51 km/h) | 55.48 mph (89.29 km/h) |
| 60 mph (96.56 km/h) | 60.53 mph (97.41 km/h) |
| 65 mph (104.61 km/h) | 65.57 mph (105.53 km/h) |
| 70 mph (112.65 km/h) | 70.62 mph (113.65 km/h) |
| 75 mph (120.7 km/h) | 75.66 mph (121.76 km/h) |
| 80 mph (128.75 km/h) | 80.7 mph (129.88 km/h) |
| 85 mph (136.79 km/h) | 85.75 mph (138 km/h) |
| 90 mph (144.84 km/h) | 90.79 mph (146.12 km/h) |
| 95 mph (152.89 km/h) | 95.84 mph (154.23 km/h) |
| 100 mph (160.93 km/h) | 100.88 mph (162.35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1512 | 1757 | 1892 | 1976 | 2066 | 2130 | 2201 | 2285 | 2401 | 2516 | 2645 | 2748 | 2935 | 3141 | 3302 | 3405 | 3463 | 3675 | 3971 | 4615 |
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