Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/70-16 | 305/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.71 (805.4) | 32.81 (833.4) | 1.1 (28) 3.5% |
| Width inches (mm) | 11.22 (285) | 12.01 (305) | 0.79 (20) 7% |
| Circum. inches (mm) | 99.62 (2530.24) | 103.08 (2618.2) | 3.46 (87.96) 3.5% |
| Sidewall Height inches (mm) | 7.85 (199.5) | 8.41 (213.5) | 0.55 (14) 7% |
| Revolutions per mile (km) | 636.04 (395.22) | 614.67 (381.94) | -21.37 (-13.28) -3.4% |
305/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.7 mph (33.31 km/h) |
| 25 mph (40.23 km/h) | 25.87 mph (41.63 km/h) |
| 30 mph (48.28 km/h) | 31.04 mph (49.96 km/h) |
| 35 mph (56.33 km/h) | 36.22 mph (58.29 km/h) |
| 40 mph (64.37 km/h) | 41.39 mph (66.61 km/h) |
| 45 mph (72.42 km/h) | 46.56 mph (74.94 km/h) |
| 50 mph (80.47 km/h) | 51.74 mph (83.26 km/h) |
| 55 mph (88.51 km/h) | 56.91 mph (91.59 km/h) |
| 60 mph (96.56 km/h) | 62.09 mph (99.92 km/h) |
| 65 mph (104.61 km/h) | 67.26 mph (108.24 km/h) |
| 70 mph (112.65 km/h) | 72.43 mph (116.57 km/h) |
| 75 mph (120.7 km/h) | 77.61 mph (124.9 km/h) |
| 80 mph (128.75 km/h) | 82.78 mph (133.22 km/h) |
| 85 mph (136.79 km/h) | 87.96 mph (141.55 km/h) |
| 90 mph (144.84 km/h) | 93.13 mph (149.88 km/h) |
| 95 mph (152.89 km/h) | 98.3 mph (158.2 km/h) |
| 100 mph (160.93 km/h) | 103.48 mph (166.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1564 | 1817 | 1957 | 2043 | 2137 | 2203 | 2276 | 2363 | 2483 | 2603 | 2736 | 2842 | 3035 | 3248 | 3415 | 3521 | 3581 | 3801 | 4107 | 4773 |
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