Accepts P-Metric and Inches
225/45-17 | 225/40-18 | Difference | |
---|---|---|---|
Diameter inches (mm) | 24.97 (634.3) | 25.09 (637.2) | 0.11 (2.9) 0.5% |
Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
Circum. inches (mm) | 78.45 (1992.71) | 78.81 (2001.82) | 0.36 (9.11) 0.5% |
Sidewall Height inches (mm) | 3.99 (101.25) | 3.54 (90) | -0.44 (-11.25) -11.1% |
Revolutions per mile (km) | 807.61 (501.83) | 803.94 (499.54) | -3.68 (-2.28) -0.5% |
225/40-18 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 20.09 mph (32.33 km/h) |
25 mph (40.23 km/h) | 25.11 mph (40.42 km/h) |
30 mph (48.28 km/h) | 30.14 mph (48.5 km/h) |
35 mph (56.33 km/h) | 35.16 mph (56.58 km/h) |
40 mph (64.37 km/h) | 40.18 mph (64.67 km/h) |
45 mph (72.42 km/h) | 45.21 mph (72.75 km/h) |
50 mph (80.47 km/h) | 50.23 mph (80.84 km/h) |
55 mph (88.51 km/h) | 55.25 mph (88.92 km/h) |
60 mph (96.56 km/h) | 60.27 mph (97 km/h) |
65 mph (104.61 km/h) | 65.3 mph (105.09 km/h) |
70 mph (112.65 km/h) | 70.32 mph (113.17 km/h) |
75 mph (120.7 km/h) | 75.34 mph (121.25 km/h) |
80 mph (128.75 km/h) | 80.37 mph (129.34 km/h) |
85 mph (136.79 km/h) | 85.39 mph (137.42 km/h) |
90 mph (144.84 km/h) | 90.41 mph (145.5 km/h) |
95 mph (152.89 km/h) | 95.43 mph (153.59 km/h) |
100 mph (160.93 km/h) | 100.46 mph (161.67 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2046 | 2377 | 2560 | 2673 | 2795 | 2882 | 2977 | 3091 | 3247 | 3404 | 3578 | 3717 | 3970 | 4248 | 4466 | 4605 | 4684 | 4971 | 5372 | 6242 |
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