Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 30/9.5-15 | 225/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.99 (761.78) | 28.29 (718.5) | -1.7 (-43.28) -5.7% |
| Width inches (mm) | 9.49 (241) | 8.86 (225) | -0.63 (-16) -6.6% |
| Circum. inches (mm) | 94.22 (2393.2) | 88.87 (2257.23) | -5.35 (-135.97) -5.7% |
| Sidewall Height inches (mm) | 7.5 (190.39) | 6.64 (168.75) | -0.85 (-21.64) -11.4% |
| Revolutions per mile (km) | 672.46 (417.85) | 712.97 (443.02) | 40.51 (25.17) 6% |
225/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.86 mph (30.36 km/h) |
| 25 mph (40.23 km/h) | 23.58 mph (37.95 km/h) |
| 30 mph (48.28 km/h) | 28.3 mph (45.54 km/h) |
| 35 mph (56.33 km/h) | 33.01 mph (53.13 km/h) |
| 40 mph (64.37 km/h) | 37.73 mph (60.72 km/h) |
| 45 mph (72.42 km/h) | 42.44 mph (68.31 km/h) |
| 50 mph (80.47 km/h) | 47.16 mph (75.9 km/h) |
| 55 mph (88.51 km/h) | 51.88 mph (83.49 km/h) |
| 60 mph (96.56 km/h) | 56.59 mph (91.07 km/h) |
| 65 mph (104.61 km/h) | 61.31 mph (98.66 km/h) |
| 70 mph (112.65 km/h) | 66.02 mph (106.25 km/h) |
| 75 mph (120.7 km/h) | 70.74 mph (113.84 km/h) |
| 80 mph (128.75 km/h) | 75.45 mph (121.43 km/h) |
| 85 mph (136.79 km/h) | 80.17 mph (129.02 km/h) |
| 90 mph (144.84 km/h) | 84.89 mph (136.61 km/h) |
| 95 mph (152.89 km/h) | 89.6 mph (144.2 km/h) |
| 100 mph (160.93 km/h) | 94.32 mph (151.79 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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