Accepts P-Metric and Inches
155/70-18 | 225/65-18 | Difference | |
---|---|---|---|
Diameter inches (mm) | 26.54 (674.2) | 29.52 (749.7) | 2.97 (75.5) 11.2% |
Width inches (mm) | 6.1 (155) | 8.86 (225) | 2.76 (70) 45.2% |
Circum. inches (mm) | 83.39 (2118.06) | 92.73 (2355.25) | 9.34 (237.19) 11.2% |
Sidewall Height inches (mm) | 4.27 (108.5) | 5.76 (146.25) | 1.49 (37.75) 34.8% |
Revolutions per mile (km) | 759.82 (472.13) | 683.3 (424.58) | -76.52 (-47.55) -10.1% |
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 22.24 mph (35.79 km/h) |
25 mph (40.23 km/h) | 27.8 mph (44.74 km/h) |
30 mph (48.28 km/h) | 33.36 mph (53.69 km/h) |
35 mph (56.33 km/h) | 38.92 mph (62.63 km/h) |
40 mph (64.37 km/h) | 44.48 mph (71.58 km/h) |
45 mph (72.42 km/h) | 50.04 mph (80.53 km/h) |
50 mph (80.47 km/h) | 55.6 mph (89.48 km/h) |
55 mph (88.51 km/h) | 61.16 mph (98.43 km/h) |
60 mph (96.56 km/h) | 66.72 mph (107.37 km/h) |
65 mph (104.61 km/h) | 72.28 mph (116.32 km/h) |
70 mph (112.65 km/h) | 77.84 mph (125.27 km/h) |
75 mph (120.7 km/h) | 83.4 mph (134.22 km/h) |
80 mph (128.75 km/h) | 88.96 mph (143.17 km/h) |
85 mph (136.79 km/h) | 94.52 mph (152.11 km/h) |
90 mph (144.84 km/h) | 100.08 mph (161.06 km/h) |
95 mph (152.89 km/h) | 105.64 mph (170.01 km/h) |
100 mph (160.93 km/h) | 111.2 mph (178.96 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1739 | 2020 | 2175 | 2272 | 2375 | 2449 | 2531 | 2627 | 2760 | 2893 | 3041 | 3160 | 3374 | 3611 | 3796 | 3914 | 3981 | 4225 | 4565 | 5305 |
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