Accepts P-Metric and Inches
315/30-20 | 345/25-20 | Difference | |
---|---|---|---|
Diameter inches (mm) | 27.44 (697) | 26.79 (680.5) | -0.65 (-16.5) -2.4% |
Width inches (mm) | 12.4 (315) | 13.58 (345) | 1.18 (30) 9.5% |
Circum. inches (mm) | 86.21 (2189.69) | 84.17 (2137.85) | -2.04 (-51.84) -2.4% |
Sidewall Height inches (mm) | 3.72 (94.5) | 3.4 (86.25) | -0.32 (-8.25) -8.7% |
Revolutions per mile (km) | 734.96 (456.68) | 752.78 (467.76) | 17.82 (11.07) 2.4% |
345/25-20 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 19.53 mph (31.42 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 (54.99 km/h) |
40 mph (64.37 km/h) | 39.05 mph (62.85 km/h) |
45 mph (72.42 km/h) | 43.93 mph (70.71 km/h) |
50 mph (80.47 km/h) | 48.82 mph (78.56 km/h) |
55 mph (88.51 km/h) | 53.7 mph (86.42 km/h) |
60 mph (96.56 km/h) | 58.58 mph (94.27 km/h) |
65 mph (104.61 km/h) | 63.46 mph (102.13 km/h) |
70 mph (112.65 km/h) | 68.34 mph (109.99 km/h) |
75 mph (120.7 km/h) | 73.22 mph (117.84 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 (141.41 km/h) |
95 mph (152.89 km/h) | 92.75 mph (149.27 km/h) |
100 mph (160.93 km/h) | 97.63 mph (157.12 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1916 | 2225 | 2397 | 2503 | 2617 | 2698 | 2788 | 2894 | 3041 | 3187 | 3350 | 3481 | 3717 | 3978 | 4182 | 4312 | 4386 | 4655 | 5030 | 5845 |
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