Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-13 | 225/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.97 (532.7) | 23.86 (606) | 2.89 (73.3) 13.8% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 65.89 (1673.53) | 74.95 (1903.81) | 9.07 (230.28) 13.8% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 4.43 (112.5) | 0.44 (11.25) 11.1% |
| Revolutions per mile (km) | 961.65 (597.54) | 845.33 (525.26) | -116.32 (-72.28) -12.1% |
225/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.75 mph (36.62 km/h) |
| 25 mph (40.23 km/h) | 28.44 mph (45.77 km/h) |
| 30 mph (48.28 km/h) | 34.13 mph (54.92 km/h) |
| 35 mph (56.33 km/h) | 39.82 mph (64.08 km/h) |
| 40 mph (64.37 km/h) | 45.5 mph (73.23 km/h) |
| 45 mph (72.42 km/h) | 51.19 mph (82.39 km/h) |
| 50 mph (80.47 km/h) | 56.88 mph (91.54 km/h) |
| 55 mph (88.51 km/h) | 62.57 mph (100.69 km/h) |
| 60 mph (96.56 km/h) | 68.26 mph (109.85 km/h) |
| 65 mph (104.61 km/h) | 73.94 mph (119 km/h) |
| 70 mph (112.65 km/h) | 79.63 mph (128.16 km/h) |
| 75 mph (120.7 km/h) | 85.32 mph (137.31 km/h) |
| 80 mph (128.75 km/h) | 91.01 mph (146.46 km/h) |
| 85 mph (136.79 km/h) | 96.7 mph (155.62 km/h) |
| 90 mph (144.84 km/h) | 102.38 mph (164.77 km/h) |
| 95 mph (152.89 km/h) | 108.07 mph (173.93 km/h) |
| 100 mph (160.93 km/h) | 113.76 mph (183.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2151 | 2499 | 2691 | 2810 | 2938 | 3030 | 3131 | 3250 | 3414 | 3579 | 3762 | 3909 | 4174 | 4467 | 4696 | 4842 | 4925 | 5227 | 5648 | 6563 |
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