Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/90-15 | 225/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.53 (750) | 28.29 (718.5) | -1.24 (-31.5) -4.2% |
| Width inches (mm) | 8.07 (205) | 8.86 (225) | 0.79 (20) 9.8% |
| Circum. inches (mm) | 92.76 (2356.19) | 88.87 (2257.23) | -3.9 (-98.96) -4.2% |
| Sidewall Height inches (mm) | 7.26 (184.5) | 6.64 (168.75) | -0.62 (-15.75) -8.5% |
| Revolutions per mile (km) | 683.03 (424.41) | 712.97 (443.02) | 29.94 (18.61) 4.4% |
225/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.16 mph (30.84 km/h) |
| 25 mph (40.23 km/h) | 23.95 mph (38.54 km/h) |
| 30 mph (48.28 km/h) | 28.74 mph (46.25 km/h) |
| 35 mph (56.33 km/h) | 33.53 mph (53.96 km/h) |
| 40 mph (64.37 km/h) | 38.32 mph (61.67 km/h) |
| 45 mph (72.42 km/h) | 43.11 mph (69.38 km/h) |
| 50 mph (80.47 km/h) | 47.9 mph (77.09 km/h) |
| 55 mph (88.51 km/h) | 52.69 mph (84.8 km/h) |
| 60 mph (96.56 km/h) | 57.48 mph (92.51 km/h) |
| 65 mph (104.61 km/h) | 62.27 mph (100.21 km/h) |
| 70 mph (112.65 km/h) | 67.06 mph (107.92 km/h) |
| 75 mph (120.7 km/h) | 71.85 mph (115.63 km/h) |
| 80 mph (128.75 km/h) | 76.64 mph (123.34 km/h) |
| 85 mph (136.79 km/h) | 81.43 mph (131.05 km/h) |
| 90 mph (144.84 km/h) | 86.22 mph (138.76 km/h) |
| 95 mph (152.89 km/h) | 91.01 mph (146.47 km/h) |
| 100 mph (160.93 km/h) | 95.8 mph (154.18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1814 | 2108 | 2270 | 2370 | 2478 | 2556 | 2640 | 2741 | 2880 | 3019 | 3173 | 3297 | 3521 | 3768 | 3961 | 4084 | 4154 | 4409 | 4764 | 5536 |
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