Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/50-15 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.22 (666) | 28.88 (733.5) | 2.66 (67.5) 10.1% |
| Width inches (mm) | 11.22 (285) | 9.25 (235) | -1.97 (-50) -17.5% |
| Circum. inches (mm) | 82.37 (2092.3) | 90.72 (2304.36) | 8.35 (212.06) 10.1% |
| Sidewall Height inches (mm) | 5.61 (142.5) | 6.94 (176.25) | 1.33 (33.75) 23.7% |
| Revolutions per mile (km) | 769.17 (477.94) | 698.39 (433.96) | -70.78 (-43.98) -9.2% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.03 mph (35.45 km/h) |
| 25 mph (40.23 km/h) | 27.53 mph (44.31 km/h) |
| 30 mph (48.28 km/h) | 33.04 mph (53.17 km/h) |
| 35 mph (56.33 km/h) | 38.55 mph (62.04 km/h) |
| 40 mph (64.37 km/h) | 44.05 mph (70.9 km/h) |
| 45 mph (72.42 km/h) | 49.56 mph (79.76 km/h) |
| 50 mph (80.47 km/h) | 55.07 mph (88.62 km/h) |
| 55 mph (88.51 km/h) | 60.57 mph (97.49 km/h) |
| 60 mph (96.56 km/h) | 66.08 mph (106.35 km/h) |
| 65 mph (104.61 km/h) | 71.59 mph (115.21 km/h) |
| 70 mph (112.65 km/h) | 77.09 mph (124.07 km/h) |
| 75 mph (120.7 km/h) | 82.6 mph (132.93 km/h) |
| 80 mph (128.75 km/h) | 88.11 mph (141.8 km/h) |
| 85 mph (136.79 km/h) | 93.61 mph (150.66 km/h) |
| 90 mph (144.84 km/h) | 99.12 mph (159.52 km/h) |
| 95 mph (152.89 km/h) | 104.63 mph (168.38 km/h) |
| 100 mph (160.93 km/h) | 110.14 mph (177.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1777 | 2065 | 2223 | 2322 | 2428 | 2503 | 2586 | 2685 | 2821 | 2957 | 3108 | 3229 | 3449 | 3691 | 3880 | 4001 | 4069 | 4318 | 4666 | 5423 |
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