Accepts P-Metric and Inches
275/60-20 | 285/60-20 | Difference | |
---|---|---|---|
Diameter inches (mm) | 32.99 (838) | 33.46 (850) | 0.47 (12) 1.4% |
Width inches (mm) | 10.83 (275) | 11.22 (285) | 0.39 (10) 3.6% |
Circum. inches (mm) | 103.65 (2632.65) | 105.13 (2670.35) | 1.48 (37.7) 1.4% |
Sidewall Height inches (mm) | 6.5 (165) | 6.73 (171) | 0.24 (6) 3.6% |
Revolutions per mile (km) | 611.3 (379.84) | 602.67 (374.48) | -8.63 (-5.36) -1.4% |
285/60-20 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 20.29 mph (32.65 km/h) |
25 mph (40.23 km/h) | 25.36 mph (40.81 km/h) |
30 mph (48.28 km/h) | 30.43 mph (48.97 km/h) |
35 mph (56.33 km/h) | 35.5 mph (57.13 km/h) |
40 mph (64.37 km/h) | 40.57 mph (65.3 km/h) |
45 mph (72.42 km/h) | 45.64 mph (73.46 km/h) |
50 mph (80.47 km/h) | 50.72 mph (81.62 km/h) |
55 mph (88.51 km/h) | 55.79 mph (89.78 km/h) |
60 mph (96.56 km/h) | 60.86 mph (97.94 km/h) |
65 mph (104.61 km/h) | 65.93 mph (106.11 km/h) |
70 mph (112.65 km/h) | 71 mph (114.27 km/h) |
75 mph (120.7 km/h) | 76.07 mph (122.43 km/h) |
80 mph (128.75 km/h) | 81.15 mph (130.59 km/h) |
85 mph (136.79 km/h) | 86.22 mph (138.75 km/h) |
90 mph (144.84 km/h) | 91.29 mph (146.92 km/h) |
95 mph (152.89 km/h) | 96.36 mph (155.08 km/h) |
100 mph (160.93 km/h) | 101.43 mph (163.24 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1534 | 1782 | 1919 | 2004 | 2095 | 2160 | 2232 | 2317 | 2434 | 2552 | 2682 | 2787 | 2976 | 3185 | 3348 | 3452 | 3511 | 3727 | 4027 | 4679 |
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