Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/50-19 | 255/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.65 (727.6) | 28.04 (712.1) | -0.61 (-15.5) -2.1% |
| Width inches (mm) | 9.65 (245) | 10.04 (255) | 0.39 (10) 4.1% |
| Circum. inches (mm) | 89.99 (2285.82) | 88.08 (2237.13) | -1.92 (-48.69) -2.1% |
| Sidewall Height inches (mm) | 4.82 (122.5) | 4.52 (114.75) | -0.31 (-7.75) -6.3% |
| Revolutions per mile (km) | 704.05 (437.48) | 719.38 (447) | 15.32 (9.52) 2.2% |
255/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.57 mph (31.5 km/h) |
| 25 mph (40.23 km/h) | 24.47 mph (39.38 km/h) |
| 30 mph (48.28 km/h) | 29.36 mph (47.25 km/h) |
| 35 mph (56.33 km/h) | 34.25 mph (55.13 km/h) |
| 40 mph (64.37 km/h) | 39.15 mph (63 km/h) |
| 45 mph (72.42 km/h) | 44.04 mph (70.88 km/h) |
| 50 mph (80.47 km/h) | 48.93 mph (78.75 km/h) |
| 55 mph (88.51 km/h) | 53.83 mph (86.63 km/h) |
| 60 mph (96.56 km/h) | 58.72 mph (94.5 km/h) |
| 65 mph (104.61 km/h) | 63.62 mph (102.38 km/h) |
| 70 mph (112.65 km/h) | 68.51 mph (110.25 km/h) |
| 75 mph (120.7 km/h) | 73.4 mph (118.13 km/h) |
| 80 mph (128.75 km/h) | 78.3 mph (126.01 km/h) |
| 85 mph (136.79 km/h) | 83.19 mph (133.88 km/h) |
| 90 mph (144.84 km/h) | 88.08 mph (141.76 km/h) |
| 95 mph (152.89 km/h) | 92.98 mph (149.63 km/h) |
| 100 mph (160.93 km/h) | 97.87 mph (157.51 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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