Accepts P-Metric and Inches
275/40-18 | 285/35-18 | Difference | |
---|---|---|---|
Diameter inches (mm) | 26.66 (677.2) | 25.85 (656.7) | -0.81 (-20.5) -3% |
Width inches (mm) | 10.83 (275) | 11.22 (285) | 0.39 (10) 3.6% |
Circum. inches (mm) | 83.76 (2127.49) | 81.22 (2063.08) | -2.54 (-64.4) -3% |
Sidewall Height inches (mm) | 4.33 (110) | 3.93 (99.75) | -0.4 (-10.25) -9.3% |
Revolutions per mile (km) | 756.45 (470.04) | 780.07 (484.71) | 23.61 (14.67) 3.1% |
285/35-18 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 19.39 mph (31.21 km/h) |
25 mph (40.23 km/h) | 24.24 mph (39.02 km/h) |
30 mph (48.28 km/h) | 29.09 mph (46.82 km/h) |
35 mph (56.33 km/h) | 33.94 mph (54.62 km/h) |
40 mph (64.37 km/h) | 38.79 mph (62.43 km/h) |
45 mph (72.42 km/h) | 43.64 mph (70.23 km/h) |
50 mph (80.47 km/h) | 48.49 mph (78.03 km/h) |
55 mph (88.51 km/h) | 53.34 mph (85.83 km/h) |
60 mph (96.56 km/h) | 58.18 mph (93.64 km/h) |
65 mph (104.61 km/h) | 63.03 mph (101.44 km/h) |
70 mph (112.65 km/h) | 67.88 mph (109.24 km/h) |
75 mph (120.7 km/h) | 72.73 mph (117.05 km/h) |
80 mph (128.75 km/h) | 77.58 mph (124.85 km/h) |
85 mph (136.79 km/h) | 82.43 mph (132.65 km/h) |
90 mph (144.84 km/h) | 87.28 mph (140.46 km/h) |
95 mph (152.89 km/h) | 92.12 mph (148.26 km/h) |
100 mph (160.93 km/h) | 96.97 mph (156.06 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1985 | 2306 | 2484 | 2593 | 2712 | 2796 | 2889 | 2999 | 3151 | 3303 | 3472 | 3607 | 3852 | 4122 | 4333 | 4469 | 4545 | 4823 | 5212 | 6057 |
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