Accepts P-Metric and Inches
225/35-17 | 225/40-18 | Difference | |
---|---|---|---|
Diameter inches (mm) | 23.2 (589.3) | 25.09 (637.2) | 1.89 (47.9) 8.1% |
Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
Circum. inches (mm) | 72.89 (1851.34) | 78.81 (2001.82) | 5.92 (150.48) 8.1% |
Sidewall Height inches (mm) | 3.1 (78.75) | 3.54 (90) | 0.44 (11.25) 14.3% |
Revolutions per mile (km) | 869.29 (540.15) | 803.94 (499.54) | -65.35 (-40.6) -7.5% |
225/40-18 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 21.63 mph (34.8 km/h) |
25 mph (40.23 km/h) | 27.03 mph (43.5 km/h) |
30 mph (48.28 km/h) | 32.44 mph (52.2 km/h) |
35 mph (56.33 km/h) | 37.84 mph (60.91 km/h) |
40 mph (64.37 km/h) | 43.25 mph (69.61 km/h) |
45 mph (72.42 km/h) | 48.66 mph (78.31 km/h) |
50 mph (80.47 km/h) | 54.06 mph (87.01 km/h) |
55 mph (88.51 km/h) | 59.47 mph (95.71 km/h) |
60 mph (96.56 km/h) | 64.88 mph (104.41 km/h) |
65 mph (104.61 km/h) | 70.28 mph (113.11 km/h) |
70 mph (112.65 km/h) | 75.69 mph (121.81 km/h) |
75 mph (120.7 km/h) | 81.1 mph (130.51 km/h) |
80 mph (128.75 km/h) | 86.5 mph (139.21 km/h) |
85 mph (136.79 km/h) | 91.91 mph (147.91 km/h) |
90 mph (144.84 km/h) | 97.32 mph (156.61 km/h) |
95 mph (152.89 km/h) | 102.72 mph (165.32 km/h) |
100 mph (160.93 km/h) | 108.13 mph (174.02 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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