Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-15 | 275/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.76 (629) | 27.99 (711) | 3.23 (82) 13% |
| Width inches (mm) | 6.1 (155) | 10.83 (275) | 4.72 (120) 77.4% |
| Circum. inches (mm) | 77.8 (1976.06) | 87.94 (2233.67) | 10.14 (257.61) 13% |
| Sidewall Height inches (mm) | 4.88 (124) | 6.5 (165) | 1.61 (41) 33.1% |
| Revolutions per mile (km) | 814.42 (506.06) | 720.49 (447.69) | -93.93 (-58.36) -11.5% |
275/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.61 mph (36.38 km/h) |
| 25 mph (40.23 km/h) | 28.26 mph (45.48 km/h) |
| 30 mph (48.28 km/h) | 33.91 mph (54.57 km/h) |
| 35 mph (56.33 km/h) | 39.56 mph (63.67 km/h) |
| 40 mph (64.37 km/h) | 45.21 mph (72.77 km/h) |
| 45 mph (72.42 km/h) | 50.87 mph (81.86 km/h) |
| 50 mph (80.47 km/h) | 56.52 mph (90.96 km/h) |
| 55 mph (88.51 km/h) | 62.17 mph (100.05 km/h) |
| 60 mph (96.56 km/h) | 67.82 mph (109.15 km/h) |
| 65 mph (104.61 km/h) | 73.47 mph (118.24 km/h) |
| 70 mph (112.65 km/h) | 79.13 mph (127.34 km/h) |
| 75 mph (120.7 km/h) | 84.78 mph (136.44 km/h) |
| 80 mph (128.75 km/h) | 90.43 mph (145.53 km/h) |
| 85 mph (136.79 km/h) | 96.08 mph (154.63 km/h) |
| 90 mph (144.84 km/h) | 101.73 mph (163.72 km/h) |
| 95 mph (152.89 km/h) | 107.38 mph (172.82 km/h) |
| 100 mph (160.93 km/h) | 113.04 mph (181.92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1834 | 2130 | 2294 | 2395 | 2505 | 2583 | 2668 | 2770 | 2910 | 3051 | 3207 | 3332 | 3558 | 3807 | 4003 | 4127 | 4198 | 4455 | 4814 | 5594 |
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