Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-15 | 225/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.97 (583.5) | 24.74 (628.5) | 1.77 (45) 7.7% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 72.17 (1833.12) | 77.74 (1974.49) | 5.57 (141.37) 7.7% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 4.87 (123.75) | 0.89 (22.5) 22.2% |
| Revolutions per mile (km) | 877.93 (545.52) | 815.07 (506.46) | -62.86 (-39.06) -7.2% |
225/55-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.54 mph (34.67 km/h) |
| 25 mph (40.23 km/h) | 26.93 mph (43.34 km/h) |
| 30 mph (48.28 km/h) | 32.31 mph (52 km/h) |
| 35 mph (56.33 km/h) | 37.7 mph (60.67 km/h) |
| 40 mph (64.37 km/h) | 43.08 mph (69.34 km/h) |
| 45 mph (72.42 km/h) | 48.47 mph (78.01 km/h) |
| 50 mph (80.47 km/h) | 53.86 mph (86.67 km/h) |
| 55 mph (88.51 km/h) | 59.24 mph (95.34 km/h) |
| 60 mph (96.56 km/h) | 64.63 mph (104.01 km/h) |
| 65 mph (104.61 km/h) | 70.01 mph (112.67 km/h) |
| 70 mph (112.65 km/h) | 75.4 mph (121.34 km/h) |
| 75 mph (120.7 km/h) | 80.78 mph (130.01 km/h) |
| 80 mph (128.75 km/h) | 86.17 mph (138.68 km/h) |
| 85 mph (136.79 km/h) | 91.56 mph (147.34 km/h) |
| 90 mph (144.84 km/h) | 96.94 mph (156.01 km/h) |
| 95 mph (152.89 km/h) | 102.33 mph (164.68 km/h) |
| 100 mph (160.93 km/h) | 107.71 mph (173.35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2074 | 2410 | 2595 | 2710 | 2833 | 2922 | 3019 | 3133 | 3292 | 3451 | 3628 | 3769 | 4025 | 4307 | 4528 | 4669 | 4749 | 5040 | 5446 | 6328 |
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