Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/85-16 | 225/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.37 (618.9) | 28.29 (718.5) | 3.92 (99.6) 16.1% |
| Width inches (mm) | 4.92 (125) | 8.86 (225) | 3.94 (100) 80% |
| Circum. inches (mm) | 76.55 (1944.33) | 88.87 (2257.23) | 12.32 (312.9) 16.1% |
| Sidewall Height inches (mm) | 4.18 (106.25) | 6.64 (168.75) | 2.46 (62.5) 58.8% |
| Revolutions per mile (km) | 827.71 (514.31) | 712.97 (443.02) | -114.74 (-71.3) -13.9% |
225/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.22 mph (37.37 km/h) |
| 25 mph (40.23 km/h) | 29.02 mph (46.71 km/h) |
| 30 mph (48.28 km/h) | 34.83 mph (56.05 km/h) |
| 35 mph (56.33 km/h) | 40.63 mph (65.39 km/h) |
| 40 mph (64.37 km/h) | 46.44 mph (74.73 km/h) |
| 45 mph (72.42 km/h) | 52.24 mph (84.08 km/h) |
| 50 mph (80.47 km/h) | 58.05 mph (93.42 km/h) |
| 55 mph (88.51 km/h) | 63.85 mph (102.76 km/h) |
| 60 mph (96.56 km/h) | 69.66 mph (112.1 km/h) |
| 65 mph (104.61 km/h) | 75.46 mph (121.44 km/h) |
| 70 mph (112.65 km/h) | 81.27 mph (130.78 km/h) |
| 75 mph (120.7 km/h) | 87.07 mph (140.13 km/h) |
| 80 mph (128.75 km/h) | 92.87 mph (149.47 km/h) |
| 85 mph (136.79 km/h) | 98.68 mph (158.81 km/h) |
| 90 mph (144.84 km/h) | 104.48 mph (168.15 km/h) |
| 95 mph (152.89 km/h) | 110.29 mph (177.49 km/h) |
| 100 mph (160.93 km/h) | 116.09 mph (186.83 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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