Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/90-16 | 225/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.28 (667.4) | 26.97 (685.1) | 0.7 (17.7) 2.7% |
| Width inches (mm) | 5.71 (145) | 8.86 (225) | 3.15 (80) 55.2% |
| Circum. inches (mm) | 82.55 (2096.7) | 84.74 (2152.31) | 2.19 (55.61) 2.7% |
| Sidewall Height inches (mm) | 5.14 (130.5) | 3.99 (101.25) | -1.15 (-29.25) -22.4% |
| Revolutions per mile (km) | 767.56 (476.94) | 747.73 (464.62) | -19.83 (-12.32) -2.6% |
225/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.53 mph (33.04 km/h) |
| 25 mph (40.23 km/h) | 25.66 mph (41.3 km/h) |
| 30 mph (48.28 km/h) | 30.8 mph (49.56 km/h) |
| 35 mph (56.33 km/h) | 35.93 mph (57.82 km/h) |
| 40 mph (64.37 km/h) | 41.06 mph (66.08 km/h) |
| 45 mph (72.42 km/h) | 46.19 mph (74.34 km/h) |
| 50 mph (80.47 km/h) | 51.33 mph (82.6 km/h) |
| 55 mph (88.51 km/h) | 56.46 mph (90.86 km/h) |
| 60 mph (96.56 km/h) | 61.59 mph (99.12 km/h) |
| 65 mph (104.61 km/h) | 66.72 mph (107.38 km/h) |
| 70 mph (112.65 km/h) | 71.86 mph (115.64 km/h) |
| 75 mph (120.7 km/h) | 76.99 mph (123.9 km/h) |
| 80 mph (128.75 km/h) | 82.12 mph (132.16 km/h) |
| 85 mph (136.79 km/h) | 87.25 mph (140.42 km/h) |
| 90 mph (144.84 km/h) | 92.39 mph (148.68 km/h) |
| 95 mph (152.89 km/h) | 97.52 mph (156.94 km/h) |
| 100 mph (160.93 km/h) | 102.65 mph (165.2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1903 | 2211 | 2381 | 2486 | 2599 | 2680 | 2769 | 2874 | 3020 | 3166 | 3328 | 3457 | 3692 | 3951 | 4154 | 4283 | 4356 | 4623 | 4996 | 5806 |
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