Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/50-14 | 225/30-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.86 (580.6) | 19.31 (490.6) | -3.54 (-90) -15.5% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 71.81 (1824.01) | 60.68 (1541.27) | -11.13 (-282.74) -15.5% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 2.66 (67.5) | -1.77 (-45) -40% |
| Revolutions per mile (km) | 882.31 (548.24) | 1044.17 (648.82) | 161.86 (100.57) 18.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.9 mph (27.2 km/h) |
| 25 mph (40.23 km/h) | 21.12 mph (34 km/h) |
| 30 mph (48.28 km/h) | 25.35 mph (40.8 km/h) |
| 35 mph (56.33 km/h) | 29.57 mph (47.6 km/h) |
| 40 mph (64.37 km/h) | 33.8 mph (54.4 km/h) |
| 45 mph (72.42 km/h) | 38.02 mph (61.19 km/h) |
| 50 mph (80.47 km/h) | 42.25 mph (67.99 km/h) |
| 55 mph (88.51 km/h) | 46.47 mph (74.79 km/h) |
| 60 mph (96.56 km/h) | 50.7 mph (81.59 km/h) |
| 65 mph (104.61 km/h) | 54.92 mph (88.39 km/h) |
| 70 mph (112.65 km/h) | 59.15 mph (95.19 km/h) |
| 75 mph (120.7 km/h) | 63.37 mph (101.99 km/h) |
| 80 mph (128.75 km/h) | 67.6 mph (108.79 km/h) |
| 85 mph (136.79 km/h) | 71.82 mph (115.59 km/h) |
| 90 mph (144.84 km/h) | 76.05 mph (122.39 km/h) |
| 95 mph (152.89 km/h) | 80.27 mph (129.19 km/h) |
| 100 mph (160.93 km/h) | 84.5 mph (135.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
