Accepts P-Metric and Inches
145/65-15 | 145/40-15 | Difference | |
---|---|---|---|
Diameter inches (mm) | 22.42 (569.5) | 19.57 (497) | -2.85 (-72.5) -12.7% |
Width inches (mm) | 5.71 (145) | 5.71 (145) | 0 (0) 0% |
Circum. inches (mm) | 70.44 (1789.14) | 61.47 (1561.37) | -8.97 (-227.77) -12.7% |
Sidewall Height inches (mm) | 3.71 (94.25) | 2.28 (58) | -1.43 (-36.25) -38.5% |
Revolutions per mile (km) | 899.51 (558.93) | 1030.72 (640.46) | 131.22 (81.53) 14.6% |
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 17.45 mph (28.09 km/h) |
25 mph (40.23 km/h) | 21.82 mph (35.11 km/h) |
30 mph (48.28 km/h) | 26.18 mph (42.13 km/h) |
35 mph (56.33 km/h) | 30.54 mph (49.16 km/h) |
40 mph (64.37 km/h) | 34.91 mph (56.18 km/h) |
45 mph (72.42 km/h) | 39.27 mph (63.2 km/h) |
50 mph (80.47 km/h) | 43.63 mph (70.22 km/h) |
55 mph (88.51 km/h) | 48 mph (77.25 km/h) |
60 mph (96.56 km/h) | 52.36 mph (84.27 km/h) |
65 mph (104.61 km/h) | 56.73 mph (91.29 km/h) |
70 mph (112.65 km/h) | 61.09 mph (98.31 km/h) |
75 mph (120.7 km/h) | 65.45 mph (105.34 km/h) |
80 mph (128.75 km/h) | 69.82 mph (112.36 km/h) |
85 mph (136.79 km/h) | 74.18 mph (119.38 km/h) |
90 mph (144.84 km/h) | 78.54 mph (126.4 km/h) |
95 mph (152.89 km/h) | 82.91 mph (133.42 km/h) |
100 mph (160.93 km/h) | 87.27 mph (140.45 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power