Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 27/8.5-15 | 255/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.08 (687.72) | 27.05 (687) | -0.03 (-0.72) -0.1% |
| Width inches (mm) | 8.5 (216) | 10.04 (255) | 1.54 (39) 18.1% |
| Circum. inches (mm) | 85.06 (2160.54) | 84.97 (2158.27) | -0.09 (-2.26) -0.1% |
| Sidewall Height inches (mm) | 6.04 (153.36) | 6.02 (153) | -0.01 (-0.36) -0.2% |
| Revolutions per mile (km) | 744.88 (462.85) | 745.66 (463.33) | 0.78 (0.49) 0.1% |
255/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.98 mph (32.15 km/h) |
| 25 mph (40.23 km/h) | 24.97 mph (40.19 km/h) |
| 30 mph (48.28 km/h) | 29.97 mph (48.23 km/h) |
| 35 mph (56.33 km/h) | 34.96 mph (56.27 km/h) |
| 40 mph (64.37 km/h) | 39.96 mph (64.31 km/h) |
| 45 mph (72.42 km/h) | 44.95 mph (72.34 km/h) |
| 50 mph (80.47 km/h) | 49.95 mph (80.38 km/h) |
| 55 mph (88.51 km/h) | 54.94 mph (88.42 km/h) |
| 60 mph (96.56 km/h) | 59.94 mph (96.46 km/h) |
| 65 mph (104.61 km/h) | 64.93 mph (104.5 km/h) |
| 70 mph (112.65 km/h) | 69.93 mph (112.54 km/h) |
| 75 mph (120.7 km/h) | 74.92 mph (120.57 km/h) |
| 80 mph (128.75 km/h) | 79.92 mph (128.61 km/h) |
| 85 mph (136.79 km/h) | 84.91 mph (136.65 km/h) |
| 90 mph (144.84 km/h) | 89.91 mph (144.69 km/h) |
| 95 mph (152.89 km/h) | 94.9 mph (152.73 km/h) |
| 100 mph (160.93 km/h) | 99.9 mph (160.77 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1898 | 2204 | 2374 | 2479 | 2592 | 2673 | 2762 | 2867 | 3012 | 3157 | 3319 | 3448 | 3682 | 3940 | 4142 | 4272 | 4344 | 4611 | 4982 | 5790 |
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