Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-15 | 225/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.47 (748.5) | 28.29 (718.5) | -1.18 (-30) -4% |
| Width inches (mm) | 9.65 (245) | 8.86 (225) | -0.79 (-20) -8.2% |
| Circum. inches (mm) | 92.58 (2351.48) | 88.87 (2257.23) | -3.71 (-94.25) -4% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 6.64 (168.75) | -0.59 (-15) -8.2% |
| Revolutions per mile (km) | 684.4 (425.26) | 712.97 (443.02) | 28.58 (17.76) 4.2% |
225/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.2 mph (30.9 km/h) |
| 25 mph (40.23 km/h) | 24 mph (38.62 km/h) |
| 30 mph (48.28 km/h) | 28.8 mph (46.35 km/h) |
| 35 mph (56.33 km/h) | 33.6 mph (54.07 km/h) |
| 40 mph (64.37 km/h) | 38.4 mph (61.79 km/h) |
| 45 mph (72.42 km/h) | 43.2 mph (69.52 km/h) |
| 50 mph (80.47 km/h) | 48 mph (77.24 km/h) |
| 55 mph (88.51 km/h) | 52.8 mph (84.97 km/h) |
| 60 mph (96.56 km/h) | 57.6 mph (92.69 km/h) |
| 65 mph (104.61 km/h) | 62.39 mph (100.41 km/h) |
| 70 mph (112.65 km/h) | 67.19 mph (108.14 km/h) |
| 75 mph (120.7 km/h) | 71.99 mph (115.86 km/h) |
| 80 mph (128.75 km/h) | 76.79 mph (123.59 km/h) |
| 85 mph (136.79 km/h) | 81.59 mph (131.31 km/h) |
| 90 mph (144.84 km/h) | 86.39 mph (139.04 km/h) |
| 95 mph (152.89 km/h) | 91.19 mph (146.76 km/h) |
| 100 mph (160.93 km/h) | 95.99 mph (154.48 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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