Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-18 | 205/75-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.97 (659.7) | 26.11 (663.1) | 0.13 (3.4) 0.5% |
| Width inches (mm) | 8.86 (225) | 8.07 (205) | -0.79 (-20) -8.9% |
| Circum. inches (mm) | 81.59 (2072.51) | 82.02 (2083.19) | 0.42 (10.68) 0.5% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 6.05 (153.75) | 2.07 (52.5) 51.9% |
| Revolutions per mile (km) | 776.52 (482.51) | 772.54 (480.03) | -3.98 (-2.47) -0.5% |
205/75-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.1 mph (32.35 km/h) |
| 25 mph (40.23 km/h) | 25.13 mph (40.44 km/h) |
| 30 mph (48.28 km/h) | 30.15 mph (48.53 km/h) |
| 35 mph (56.33 km/h) | 35.18 mph (56.62 km/h) |
| 40 mph (64.37 km/h) | 40.21 mph (64.71 km/h) |
| 45 mph (72.42 km/h) | 45.23 mph (72.79 km/h) |
| 50 mph (80.47 km/h) | 50.26 mph (80.88 km/h) |
| 55 mph (88.51 km/h) | 55.28 mph (88.97 km/h) |
| 60 mph (96.56 km/h) | 60.31 mph (97.06 km/h) |
| 65 mph (104.61 km/h) | 65.34 mph (105.15 km/h) |
| 70 mph (112.65 km/h) | 70.36 mph (113.23 km/h) |
| 75 mph (120.7 km/h) | 75.39 mph (121.32 km/h) |
| 80 mph (128.75 km/h) | 80.41 mph (129.41 km/h) |
| 85 mph (136.79 km/h) | 85.44 mph (137.5 km/h) |
| 90 mph (144.84 km/h) | 90.46 mph (145.59 km/h) |
| 95 mph (152.89 km/h) | 95.49 mph (153.68 km/h) |
| 100 mph (160.93 km/h) | 100.52 mph (161.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1966 | 2284 | 2460 | 2568 | 2685 | 2769 | 2861 | 2970 | 3120 | 3271 | 3438 | 3572 | 3815 | 4083 | 4292 | 4426 | 4501 | 4777 | 5162 | 5998 |
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