Accepts P-Metric and Inches
325/40-18 | 315/40-18 | Difference | |
---|---|---|---|
Diameter inches (mm) | 28.24 (717.2) | 27.92 (709.2) | -0.31 (-8) -1.1% |
Width inches (mm) | 12.8 (325) | 12.4 (315) | -0.39 (-10) -3.1% |
Circum. inches (mm) | 88.71 (2253.15) | 87.72 (2228.02) | -0.99 (-25.13) -1.1% |
Sidewall Height inches (mm) | 5.12 (130) | 4.96 (126) | -0.16 (-4) -3.1% |
Revolutions per mile (km) | 714.26 (443.82) | 722.32 (448.83) | 8.06 (5.01) 1.1% |
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 19.78 mph (31.83 km/h) |
25 mph (40.23 km/h) | 24.72 mph (39.78 km/h) |
30 mph (48.28 km/h) | 29.67 mph (47.74 km/h) |
35 mph (56.33 km/h) | 34.61 mph (55.7 km/h) |
40 mph (64.37 km/h) | 39.55 mph (63.66 km/h) |
45 mph (72.42 km/h) | 44.5 mph (71.61 km/h) |
50 mph (80.47 km/h) | 49.44 mph (79.57 km/h) |
55 mph (88.51 km/h) | 54.39 mph (87.53 km/h) |
60 mph (96.56 km/h) | 59.33 mph (95.48 km/h) |
65 mph (104.61 km/h) | 64.27 mph (103.44 km/h) |
70 mph (112.65 km/h) | 69.22 mph (111.4 km/h) |
75 mph (120.7 km/h) | 74.16 mph (119.35 km/h) |
80 mph (128.75 km/h) | 79.11 mph (127.31 km/h) |
85 mph (136.79 km/h) | 84.05 mph (135.27 km/h) |
90 mph (144.84 km/h) | 89 mph (143.23 km/h) |
95 mph (152.89 km/h) | 93.94 mph (151.18 km/h) |
100 mph (160.93 km/h) | 98.88 mph (159.14 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1838 | 2135 | 2300 | 2401 | 2511 | 2589 | 2675 | 2777 | 2918 | 3058 | 3215 | 3340 | 3567 | 3817 | 4013 | 4138 | 4208 | 4466 | 4826 | 5608 |
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