Accepts P-Metric and Inches
305/70-16 | 285/70-17 | Difference | |
---|---|---|---|
Diameter inches (mm) | 32.81 (833.4) | 32.71 (830.8) | -0.1 (-2.6) -0.3% |
Width inches (mm) | 12.01 (305) | 11.22 (285) | -0.79 (-20) -6.6% |
Circum. inches (mm) | 103.08 (2618.2) | 102.76 (2610.04) | -0.32 (-8.17) -0.3% |
Sidewall Height inches (mm) | 8.41 (213.5) | 7.85 (199.5) | -0.55 (-14) -6.6% |
Revolutions per mile (km) | 614.67 (381.94) | 616.6 (383.14) | 1.92 (1.2) 0.3% |
285/70-17 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 19.94 mph (32.09 km/h) |
25 mph (40.23 km/h) | 24.92 mph (40.11 km/h) |
30 mph (48.28 km/h) | 29.91 mph (48.13 km/h) |
35 mph (56.33 km/h) | 34.89 mph (56.15 km/h) |
40 mph (64.37 km/h) | 39.88 mph (64.17 km/h) |
45 mph (72.42 km/h) | 44.86 mph (72.19 km/h) |
50 mph (80.47 km/h) | 49.84 mph (80.22 km/h) |
55 mph (88.51 km/h) | 54.83 mph (88.24 km/h) |
60 mph (96.56 km/h) | 59.81 mph (96.26 km/h) |
65 mph (104.61 km/h) | 64.8 mph (104.28 km/h) |
70 mph (112.65 km/h) | 69.78 mph (112.3 km/h) |
75 mph (120.7 km/h) | 74.77 mph (120.32 km/h) |
80 mph (128.75 km/h) | 79.75 mph (128.35 km/h) |
85 mph (136.79 km/h) | 84.73 mph (136.37 km/h) |
90 mph (144.84 km/h) | 89.72 mph (144.39 km/h) |
95 mph (152.89 km/h) | 94.7 mph (152.41 km/h) |
100 mph (160.93 km/h) | 99.69 mph (160.43 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1569 | 1823 | 1963 | 2050 | 2143 | 2210 | 2284 | 2370 | 2491 | 2611 | 2744 | 2851 | 3045 | 3258 | 3425 | 3532 | 3592 | 3813 | 4120 | 4788 |
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