Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-21 | 235/50-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.97 (735.9) | 28.25 (717.6) | -0.72 (-18.3) -2.5% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 91.02 (2311.9) | 88.76 (2254.41) | -2.26 (-57.49) -2.5% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 4.63 (117.5) | 0.64 (16.25) 16% |
| Revolutions per mile (km) | 696.11 (432.54) | 713.87 (443.57) | 17.75 (11.03) 2.6% |
235/50-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.5 mph (31.39 km/h) |
| 25 mph (40.23 km/h) | 24.38 mph (39.23 km/h) |
| 30 mph (48.28 km/h) | 29.25 mph (47.08 km/h) |
| 35 mph (56.33 km/h) | 34.13 mph (54.93 km/h) |
| 40 mph (64.37 km/h) | 39.01 mph (62.77 km/h) |
| 45 mph (72.42 km/h) | 43.88 mph (70.62 km/h) |
| 50 mph (80.47 km/h) | 48.76 mph (78.47 km/h) |
| 55 mph (88.51 km/h) | 53.63 mph (86.31 km/h) |
| 60 mph (96.56 km/h) | 58.51 mph (94.16 km/h) |
| 65 mph (104.61 km/h) | 63.38 mph (102.01 km/h) |
| 70 mph (112.65 km/h) | 68.26 mph (109.85 km/h) |
| 75 mph (120.7 km/h) | 73.13 mph (117.7 km/h) |
| 80 mph (128.75 km/h) | 78.01 mph (125.55 km/h) |
| 85 mph (136.79 km/h) | 82.89 mph (133.39 km/h) |
| 90 mph (144.84 km/h) | 87.76 mph (141.24 km/h) |
| 95 mph (152.89 km/h) | 92.64 mph (149.09 km/h) |
| 100 mph (160.93 km/h) | 97.51 mph (156.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1817 | 2110 | 2273 | 2373 | 2481 | 2559 | 2644 | 2744 | 2883 | 3023 | 3177 | 3301 | 3525 | 3772 | 3966 | 4089 | 4159 | 4414 | 4770 | 5543 |
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