Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-15 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.54 (598) | 28.88 (733.5) | 5.33 (135.5) 22.7% |
| Width inches (mm) | 6.1 (155) | 9.25 (235) | 3.15 (80) 51.6% |
| Circum. inches (mm) | 73.96 (1878.67) | 90.72 (2304.36) | 16.76 (425.69) 22.7% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 6.94 (176.25) | 2.67 (67.75) 62.4% |
| Revolutions per mile (km) | 856.64 (532.29) | 698.39 (433.96) | -158.25 (-98.33) -18.5% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.53 mph (39.48 km/h) |
| 25 mph (40.23 km/h) | 30.66 mph (49.35 km/h) |
| 30 mph (48.28 km/h) | 36.8 mph (59.22 km/h) |
| 35 mph (56.33 km/h) | 42.93 mph (69.09 km/h) |
| 40 mph (64.37 km/h) | 49.06 mph (78.96 km/h) |
| 45 mph (72.42 km/h) | 55.2 mph (88.83 km/h) |
| 50 mph (80.47 km/h) | 61.33 mph (98.7 km/h) |
| 55 mph (88.51 km/h) | 67.46 mph (108.57 km/h) |
| 60 mph (96.56 km/h) | 73.6 mph (118.44 km/h) |
| 65 mph (104.61 km/h) | 79.73 mph (128.31 km/h) |
| 70 mph (112.65 km/h) | 85.86 mph (138.18 km/h) |
| 75 mph (120.7 km/h) | 91.99 mph (148.05 km/h) |
| 80 mph (128.75 km/h) | 98.13 mph (157.92 km/h) |
| 85 mph (136.79 km/h) | 104.26 mph (167.79 km/h) |
| 90 mph (144.84 km/h) | 110.39 mph (177.66 km/h) |
| 95 mph (152.89 km/h) | 116.53 mph (187.53 km/h) |
| 100 mph (160.93 km/h) | 122.66 mph (197.4 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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