Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/35-20 | 275/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.41 (721.5) | 27.99 (711) | -0.41 (-10.5) -1.5% |
| Width inches (mm) | 12.01 (305) | 10.83 (275) | -1.18 (-30) -9.8% |
| Circum. inches (mm) | 89.24 (2266.66) | 87.94 (2233.67) | -1.3 (-32.99) -1.5% |
| Sidewall Height inches (mm) | 4.2 (106.75) | 6.5 (165) | 2.29 (58.25) 54.6% |
| Revolutions per mile (km) | 710.01 (441.18) | 720.49 (447.69) | 10.49 (6.52) 1.5% |
275/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.71 mph (31.72 km/h) |
| 25 mph (40.23 km/h) | 24.64 mph (39.65 km/h) |
| 30 mph (48.28 km/h) | 29.56 mph (47.58 km/h) |
| 35 mph (56.33 km/h) | 34.49 mph (55.51 km/h) |
| 40 mph (64.37 km/h) | 39.42 mph (63.44 km/h) |
| 45 mph (72.42 km/h) | 44.35 mph (71.37 km/h) |
| 50 mph (80.47 km/h) | 49.27 mph (79.3 km/h) |
| 55 mph (88.51 km/h) | 54.2 mph (87.23 km/h) |
| 60 mph (96.56 km/h) | 59.13 mph (95.16 km/h) |
| 65 mph (104.61 km/h) | 64.05 mph (103.09 km/h) |
| 70 mph (112.65 km/h) | 68.98 mph (111.01 km/h) |
| 75 mph (120.7 km/h) | 73.91 mph (118.94 km/h) |
| 80 mph (128.75 km/h) | 78.84 mph (126.87 km/h) |
| 85 mph (136.79 km/h) | 83.76 mph (134.8 km/h) |
| 90 mph (144.84 km/h) | 88.69 mph (142.73 km/h) |
| 95 mph (152.89 km/h) | 93.62 mph (150.66 km/h) |
| 100 mph (160.93 km/h) | 98.54 mph (158.59 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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