Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-10 | 225/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.13 (486) | 26.97 (685.1) | 7.84 (199.1) 41% |
| Width inches (mm) | 5.71 (145) | 8.86 (225) | 3.15 (80) 55.2% |
| Circum. inches (mm) | 60.11 (1526.81) | 84.74 (2152.31) | 24.63 (625.49) 41% |
| Sidewall Height inches (mm) | 4.57 (116) | 3.99 (101.25) | -0.58 (-14.75) -12.7% |
| Revolutions per mile (km) | 1054.05 (654.96) | 747.73 (464.62) | -306.32 (-190.34) -29.1% |
225/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 28.19 mph (45.37 km/h) |
| 25 mph (40.23 km/h) | 35.24 mph (56.72 km/h) |
| 30 mph (48.28 km/h) | 42.29 mph (68.06 km/h) |
| 35 mph (56.33 km/h) | 49.34 mph (79.4 km/h) |
| 40 mph (64.37 km/h) | 56.39 mph (90.75 km/h) |
| 45 mph (72.42 km/h) | 63.44 mph (102.09 km/h) |
| 50 mph (80.47 km/h) | 70.48 mph (113.43 km/h) |
| 55 mph (88.51 km/h) | 77.53 mph (124.78 km/h) |
| 60 mph (96.56 km/h) | 84.58 mph (136.12 km/h) |
| 65 mph (104.61 km/h) | 91.63 mph (147.46 km/h) |
| 70 mph (112.65 km/h) | 98.68 mph (158.81 km/h) |
| 75 mph (120.7 km/h) | 105.73 mph (170.15 km/h) |
| 80 mph (128.75 km/h) | 112.77 mph (181.49 km/h) |
| 85 mph (136.79 km/h) | 119.82 mph (192.84 km/h) |
| 90 mph (144.84 km/h) | 126.87 mph (204.18 km/h) |
| 95 mph (152.89 km/h) | 133.92 mph (215.52 km/h) |
| 100 mph (160.93 km/h) | 140.97 mph (226.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1903 | 2211 | 2381 | 2486 | 2599 | 2680 | 2769 | 2874 | 3020 | 3166 | 3328 | 3457 | 3692 | 3951 | 4154 | 4283 | 4356 | 4623 | 4996 | 5806 |
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