Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/50-15 | 255/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.86 (606) | 25.03 (635.7) | 1.17 (29.7) 4.9% |
| Width inches (mm) | 8.86 (225) | 10.04 (255) | 1.18 (30) 13.3% |
| Circum. inches (mm) | 74.95 (1903.81) | 78.63 (1997.11) | 3.67 (93.31) 4.9% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 3.51 (89.25) | -0.92 (-23.25) -20.7% |
| Revolutions per mile (km) | 845.33 (525.26) | 805.84 (500.72) | -39.49 (-24.54) -4.7% |
255/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.98 mph (33.76 km/h) |
| 25 mph (40.23 km/h) | 26.23 mph (42.21 km/h) |
| 30 mph (48.28 km/h) | 31.47 mph (50.65 km/h) |
| 35 mph (56.33 km/h) | 36.72 mph (59.09 km/h) |
| 40 mph (64.37 km/h) | 41.96 mph (67.53 km/h) |
| 45 mph (72.42 km/h) | 47.21 mph (75.97 km/h) |
| 50 mph (80.47 km/h) | 52.45 mph (84.41 km/h) |
| 55 mph (88.51 km/h) | 57.7 mph (92.85 km/h) |
| 60 mph (96.56 km/h) | 62.94 mph (101.29 km/h) |
| 65 mph (104.61 km/h) | 68.19 mph (109.73 km/h) |
| 70 mph (112.65 km/h) | 73.43 mph (118.18 km/h) |
| 75 mph (120.7 km/h) | 78.68 mph (126.62 km/h) |
| 80 mph (128.75 km/h) | 83.92 mph (135.06 km/h) |
| 85 mph (136.79 km/h) | 89.17 mph (143.5 km/h) |
| 90 mph (144.84 km/h) | 94.41 mph (151.94 km/h) |
| 95 mph (152.89 km/h) | 99.66 mph (160.38 km/h) |
| 100 mph (160.93 km/h) | 104.9 mph (168.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2051 | 2382 | 2566 | 2679 | 2801 | 2888 | 2984 | 3098 | 3255 | 3412 | 3587 | 3726 | 3979 | 4258 | 4477 | 4616 | 4695 | 4983 | 5384 | 6257 |
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