Accepts P-Metric and Inches
125/65-12 | 235/30-12 | Difference | |
---|---|---|---|
Diameter inches (mm) | 18.4 (467.3) | 17.55 (445.8) | -0.85 (-21.5) -4.6% |
Width inches (mm) | 4.92 (125) | 9.25 (235) | 4.33 (110) 88% |
Circum. inches (mm) | 57.8 (1468.07) | 55.14 (1400.52) | -2.66 (-67.54) -4.6% |
Sidewall Height inches (mm) | 3.2 (81.25) | 2.78 (70.5) | -0.42 (-10.75) -13.2% |
Revolutions per mile (km) | 1096.23 (681.17) | 1149.1 (714.02) | 52.87 (32.85) 4.8% |
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 19.08 mph (30.71 km/h) |
25 mph (40.23 km/h) | 23.85 mph (38.38 km/h) |
30 mph (48.28 km/h) | 28.62 mph (46.06 km/h) |
35 mph (56.33 km/h) | 33.39 mph (53.74 km/h) |
40 mph (64.37 km/h) | 38.16 mph (61.41 km/h) |
45 mph (72.42 km/h) | 42.93 mph (69.09 km/h) |
50 mph (80.47 km/h) | 47.7 mph (76.77 km/h) |
55 mph (88.51 km/h) | 52.47 mph (84.44 km/h) |
60 mph (96.56 km/h) | 57.24 mph (92.12 km/h) |
65 mph (104.61 km/h) | 62.01 mph (99.79 km/h) |
70 mph (112.65 km/h) | 66.78 mph (107.47 km/h) |
75 mph (120.7 km/h) | 71.55 mph (115.15 km/h) |
80 mph (128.75 km/h) | 76.32 mph (122.82 km/h) |
85 mph (136.79 km/h) | 81.09 mph (130.5 km/h) |
90 mph (144.84 km/h) | 85.86 mph (138.18 km/h) |
95 mph (152.89 km/h) | 90.63 mph (145.85 km/h) |
100 mph (160.93 km/h) | 95.4 mph (153.53 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