Accepts P-Metric and Inches
235/75-15 | 245/40-18 | Difference | |
---|---|---|---|
Diameter inches (mm) | 28.88 (733.5) | 25.72 (653.2) | -3.16 (-80.3) -10.9% |
Width inches (mm) | 9.25 (235) | 9.65 (245) | 0.39 (10) 4.3% |
Circum. inches (mm) | 90.72 (2304.36) | 80.79 (2052.09) | -9.93 (-252.27) -10.9% |
Sidewall Height inches (mm) | 6.94 (176.25) | 3.86 (98) | -3.08 (-78.25) -44.4% |
Revolutions per mile (km) | 698.39 (433.96) | 784.25 (487.31) | 85.86 (53.35) 12.3% |
245/40-18 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 17.81 mph (28.66 km/h) |
25 mph (40.23 km/h) | 22.26 mph (35.83 km/h) |
30 mph (48.28 km/h) | 26.72 mph (42.99 km/h) |
35 mph (56.33 km/h) | 31.17 mph (50.16 km/h) |
40 mph (64.37 km/h) | 35.62 mph (57.33 km/h) |
45 mph (72.42 km/h) | 40.07 mph (64.49 km/h) |
50 mph (80.47 km/h) | 44.53 mph (71.66 km/h) |
55 mph (88.51 km/h) | 48.98 mph (78.82 km/h) |
60 mph (96.56 km/h) | 53.43 mph (85.99 km/h) |
65 mph (104.61 km/h) | 57.88 mph (93.16 km/h) |
70 mph (112.65 km/h) | 62.34 mph (100.32 km/h) |
75 mph (120.7 km/h) | 66.79 mph (107.49 km/h) |
80 mph (128.75 km/h) | 71.24 mph (114.65 km/h) |
85 mph (136.79 km/h) | 75.69 mph (121.82 km/h) |
90 mph (144.84 km/h) | 80.15 mph (128.98 km/h) |
95 mph (152.89 km/h) | 84.6 mph (136.15 km/h) |
100 mph (160.93 km/h) | 89.05 mph (143.32 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1996 | 2318 | 2497 | 2607 | 2726 | 2811 | 2904 | 3015 | 3168 | 3321 | 3490 | 3626 | 3873 | 4144 | 4357 | 4493 | 4569 | 4849 | 5240 | 6089 |
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