Accepts P-Metric and Inches
205/65-10 | 205/40-12 | Difference | |
---|---|---|---|
Diameter inches (mm) | 20.49 (520.5) | 18.46 (468.8) | -2.04 (-51.7) -9.9% |
Width inches (mm) | 8.07 (205) | 8.07 (205) | 0 (0) 0% |
Circum. inches (mm) | 64.38 (1635.2) | 57.98 (1472.78) | -6.39 (-162.42) -9.9% |
Sidewall Height inches (mm) | 5.25 (133.25) | 3.23 (82) | -2.02 (-51.25) -38.5% |
Revolutions per mile (km) | 984.19 (611.55) | 1092.73 (678.99) | 108.54 (67.44) 11% |
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 18.01 mph (28.99 km/h) |
25 mph (40.23 km/h) | 22.52 mph (36.24 km/h) |
30 mph (48.28 km/h) | 27.02 mph (43.48 km/h) |
35 mph (56.33 km/h) | 31.52 mph (50.73 km/h) |
40 mph (64.37 km/h) | 36.03 mph (57.98 km/h) |
45 mph (72.42 km/h) | 40.53 mph (65.23 km/h) |
50 mph (80.47 km/h) | 45.03 mph (72.47 km/h) |
55 mph (88.51 km/h) | 49.54 mph (79.72 km/h) |
60 mph (96.56 km/h) | 54.04 mph (86.97 km/h) |
65 mph (104.61 km/h) | 58.54 mph (94.22 km/h) |
70 mph (112.65 km/h) | 63.05 mph (101.46 km/h) |
75 mph (120.7 km/h) | 67.55 mph (108.71 km/h) |
80 mph (128.75 km/h) | 72.05 mph (115.96 km/h) |
85 mph (136.79 km/h) | 76.56 mph (123.21 km/h) |
90 mph (144.84 km/h) | 81.06 mph (130.45 km/h) |
95 mph (152.89 km/h) | 85.56 mph (137.7 km/h) |
100 mph (160.93 km/h) | 90.07 mph (144.95 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