Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-19 | 255/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.89 (657.6) | 28.04 (712.1) | 2.15 (54.5) 8.3% |
| Width inches (mm) | 4.92 (125) | 10.04 (255) | 5.12 (130) 104% |
| Circum. inches (mm) | 81.34 (2065.91) | 88.08 (2237.13) | 6.74 (171.22) 8.3% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 4.52 (114.75) | 1.07 (27.25) 31.1% |
| Revolutions per mile (km) | 779 (484.05) | 719.38 (447) | -59.62 (-37.05) -7.7% |
255/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.66 mph (34.85 km/h) |
| 25 mph (40.23 km/h) | 27.07 mph (43.57 km/h) |
| 30 mph (48.28 km/h) | 32.49 mph (52.28 km/h) |
| 35 mph (56.33 km/h) | 37.9 mph (61 km/h) |
| 40 mph (64.37 km/h) | 43.32 mph (69.71 km/h) |
| 45 mph (72.42 km/h) | 48.73 mph (78.42 km/h) |
| 50 mph (80.47 km/h) | 54.14 mph (87.14 km/h) |
| 55 mph (88.51 km/h) | 59.56 mph (95.85 km/h) |
| 60 mph (96.56 km/h) | 64.97 mph (104.56 km/h) |
| 65 mph (104.61 km/h) | 70.39 mph (113.28 km/h) |
| 70 mph (112.65 km/h) | 75.8 mph (121.99 km/h) |
| 75 mph (120.7 km/h) | 81.22 mph (130.7 km/h) |
| 80 mph (128.75 km/h) | 86.63 mph (139.42 km/h) |
| 85 mph (136.79 km/h) | 92.04 mph (148.13 km/h) |
| 90 mph (144.84 km/h) | 97.46 mph (156.85 km/h) |
| 95 mph (152.89 km/h) | 102.87 mph (165.56 km/h) |
| 100 mph (160.93 km/h) | 108.29 mph (174.27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1831 | 2127 | 2290 | 2392 | 2501 | 2579 | 2664 | 2766 | 2906 | 3046 | 3202 | 3326 | 3552 | 3802 | 3996 | 4121 | 4191 | 4448 | 4807 | 5586 |
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