Accepts P-Metric and Inches
325/80-15 | 325/65-18 | Difference | |
---|---|---|---|
Diameter inches (mm) | 35.47 (901) | 34.63 (879.7) | -0.84 (-21.3) -2.4% |
Width inches (mm) | 12.8 (325) | 12.8 (325) | 0 (0) 0% |
Circum. inches (mm) | 111.44 (2830.57) | 108.81 (2763.66) | -2.63 (-66.92) -2.4% |
Sidewall Height inches (mm) | 10.24 (260) | 8.32 (211.25) | -1.92 (-48.75) -18.8% |
Revolutions per mile (km) | 568.56 (353.28) | 582.32 (361.84) | 13.77 (8.55) 2.4% |
325/65-18 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 19.53 mph (31.43 km/h) |
25 mph (40.23 km/h) | 24.41 mph (39.28 km/h) |
30 mph (48.28 km/h) | 29.29 mph (47.14 km/h) |
35 mph (56.33 km/h) | 34.17 mph (55 km/h) |
40 mph (64.37 km/h) | 39.05 mph (62.85 km/h) |
45 mph (72.42 km/h) | 43.94 mph (70.71 km/h) |
50 mph (80.47 km/h) | 48.82 mph (78.57 km/h) |
55 mph (88.51 km/h) | 53.7 mph (86.42 km/h) |
60 mph (96.56 km/h) | 58.58 mph (94.28 km/h) |
65 mph (104.61 km/h) | 63.46 mph (102.13 km/h) |
70 mph (112.65 km/h) | 68.35 mph (109.99 km/h) |
75 mph (120.7 km/h) | 73.23 mph (117.85 km/h) |
80 mph (128.75 km/h) | 78.11 mph (125.7 km/h) |
85 mph (136.79 km/h) | 82.99 mph (133.56 km/h) |
90 mph (144.84 km/h) | 87.87 mph (141.42 km/h) |
95 mph (152.89 km/h) | 92.75 mph (149.27 km/h) |
100 mph (160.93 km/h) | 97.64 mph (157.13 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1482 | 1722 | 1854 | 1936 | 2024 | 2087 | 2157 | 2239 | 2352 | 2466 | 2592 | 2693 | 2876 | 3077 | 3235 | 3336 | 3393 | 3601 | 3891 | 4521 |
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