Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-15 | 255/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.54 (598) | 27.05 (687) | 3.5 (89) 14.9% |
| Width inches (mm) | 6.1 (155) | 10.04 (255) | 3.94 (100) 64.5% |
| Circum. inches (mm) | 73.96 (1878.67) | 84.97 (2158.27) | 11.01 (279.6) 14.9% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 6.02 (153) | 1.75 (44.5) 41% |
| Revolutions per mile (km) | 856.64 (532.29) | 745.66 (463.33) | -110.98 (-68.96) -13% |
255/60-15 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 (46.22 km/h) |
| 30 mph (48.28 km/h) | 34.46 mph (55.47 km/h) |
| 35 mph (56.33 km/h) | 40.21 mph (64.71 km/h) |
| 40 mph (64.37 km/h) | 45.95 mph (73.95 km/h) |
| 45 mph (72.42 km/h) | 51.7 mph (83.2 km/h) |
| 50 mph (80.47 km/h) | 57.44 mph (92.44 km/h) |
| 55 mph (88.51 km/h) | 63.19 mph (101.69 km/h) |
| 60 mph (96.56 km/h) | 68.93 mph (110.93 km/h) |
| 65 mph (104.61 km/h) | 74.67 mph (120.18 km/h) |
| 70 mph (112.65 km/h) | 80.42 mph (129.42 km/h) |
| 75 mph (120.7 km/h) | 86.16 mph (138.66 km/h) |
| 80 mph (128.75 km/h) | 91.91 mph (147.91 km/h) |
| 85 mph (136.79 km/h) | 97.65 mph (157.15 km/h) |
| 90 mph (144.84 km/h) | 103.39 mph (166.4 km/h) |
| 95 mph (152.89 km/h) | 109.14 mph (175.64 km/h) |
| 100 mph (160.93 km/h) | 114.88 mph (184.89 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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