Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/66-15 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.13 (638.4) | 28.88 (733.5) | 3.74 (95.1) 14.9% |
| Width inches (mm) | 7.68 (195) | 9.25 (235) | 1.57 (40) 20.5% |
| Circum. inches (mm) | 78.96 (2005.59) | 90.72 (2304.36) | 11.76 (298.77) 14.9% |
| Sidewall Height inches (mm) | 5.07 (128.7) | 6.94 (176.25) | 1.87 (47.55) 36.9% |
| Revolutions per mile (km) | 802.43 (498.6) | 698.39 (433.96) | -104.04 (-64.65) -13% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.98 mph (36.98 km/h) |
| 25 mph (40.23 km/h) | 28.72 mph (46.23 km/h) |
| 30 mph (48.28 km/h) | 34.47 mph (55.47 km/h) |
| 35 mph (56.33 km/h) | 40.21 mph (64.72 km/h) |
| 40 mph (64.37 km/h) | 45.96 mph (73.96 km/h) |
| 45 mph (72.42 km/h) | 51.7 mph (83.21 km/h) |
| 50 mph (80.47 km/h) | 57.45 mph (92.45 km/h) |
| 55 mph (88.51 km/h) | 63.19 mph (101.7 km/h) |
| 60 mph (96.56 km/h) | 68.94 mph (110.95 km/h) |
| 65 mph (104.61 km/h) | 74.68 mph (120.19 km/h) |
| 70 mph (112.65 km/h) | 80.43 mph (129.44 km/h) |
| 75 mph (120.7 km/h) | 86.17 mph (138.68 km/h) |
| 80 mph (128.75 km/h) | 91.92 mph (147.93 km/h) |
| 85 mph (136.79 km/h) | 97.66 mph (157.17 km/h) |
| 90 mph (144.84 km/h) | 103.41 mph (166.42 km/h) |
| 95 mph (152.89 km/h) | 109.15 mph (175.66 km/h) |
| 100 mph (160.93 km/h) | 114.9 mph (184.91 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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