Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/55-16 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.74 (653.9) | 28.88 (733.5) | 3.13 (79.6) 12.2% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 80.88 (2054.29) | 90.72 (2304.36) | 9.85 (250.07) 12.2% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 6.94 (176.25) | 2.07 (52.5) 42.4% |
| Revolutions per mile (km) | 783.41 (486.79) | 698.39 (433.96) | -85.02 (-52.83) -10.9% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.43 mph (36.11 km/h) |
| 25 mph (40.23 km/h) | 28.04 mph (45.13 km/h) |
| 30 mph (48.28 km/h) | 33.65 mph (54.16 km/h) |
| 35 mph (56.33 km/h) | 39.26 mph (63.18 km/h) |
| 40 mph (64.37 km/h) | 44.87 mph (72.21 km/h) |
| 45 mph (72.42 km/h) | 50.48 mph (81.24 km/h) |
| 50 mph (80.47 km/h) | 56.09 mph (90.26 km/h) |
| 55 mph (88.51 km/h) | 61.7 mph (99.29 km/h) |
| 60 mph (96.56 km/h) | 67.3 mph (108.32 km/h) |
| 65 mph (104.61 km/h) | 72.91 mph (117.34 km/h) |
| 70 mph (112.65 km/h) | 78.52 mph (126.37 km/h) |
| 75 mph (120.7 km/h) | 84.13 mph (135.39 km/h) |
| 80 mph (128.75 km/h) | 89.74 mph (144.42 km/h) |
| 85 mph (136.79 km/h) | 95.35 mph (153.45 km/h) |
| 90 mph (144.84 km/h) | 100.96 mph (162.47 km/h) |
| 95 mph (152.89 km/h) | 106.56 mph (171.5 km/h) |
| 100 mph (160.93 km/h) | 112.17 mph (180.53 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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