Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/50-20 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.65 (753) | 28.88 (733.5) | -0.77 (-19.5) -2.6% |
| Width inches (mm) | 9.65 (245) | 9.25 (235) | -0.39 (-10) -4.1% |
| Circum. inches (mm) | 93.13 (2365.62) | 90.72 (2304.36) | -2.41 (-61.26) -2.6% |
| Sidewall Height inches (mm) | 4.82 (122.5) | 6.94 (176.25) | 2.12 (53.75) 43.9% |
| Revolutions per mile (km) | 680.31 (422.72) | 698.39 (433.96) | 18.09 (11.24) 2.7% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.48 mph (31.35 km/h) |
| 25 mph (40.23 km/h) | 24.35 mph (39.19 km/h) |
| 30 mph (48.28 km/h) | 29.22 mph (47.03 km/h) |
| 35 mph (56.33 km/h) | 34.09 mph (54.87 km/h) |
| 40 mph (64.37 km/h) | 38.96 mph (62.71 km/h) |
| 45 mph (72.42 km/h) | 43.83 mph (70.55 km/h) |
| 50 mph (80.47 km/h) | 48.71 mph (78.38 km/h) |
| 55 mph (88.51 km/h) | 53.58 mph (86.22 km/h) |
| 60 mph (96.56 km/h) | 58.45 mph (94.06 km/h) |
| 65 mph (104.61 km/h) | 63.32 mph (101.9 km/h) |
| 70 mph (112.65 km/h) | 68.19 mph (109.74 km/h) |
| 75 mph (120.7 km/h) | 73.06 mph (117.58 km/h) |
| 80 mph (128.75 km/h) | 77.93 mph (125.41 km/h) |
| 85 mph (136.79 km/h) | 82.8 mph (133.25 km/h) |
| 90 mph (144.84 km/h) | 87.67 mph (141.09 km/h) |
| 95 mph (152.89 km/h) | 92.54 mph (148.93 km/h) |
| 100 mph (160.93 km/h) | 97.41 mph (156.77 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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