Accepts P-Metric and Inches
120/80-12 | 110/90-12 | Difference | |
---|---|---|---|
Diameter inches (mm) | 19.56 (496.8) | 19.8 (502.8) | 0.24 (6) 1.2% |
Width inches (mm) | 4.72 (120) | 4.33 (110) | -0.39 (-10) -8.3% |
Circum. inches (mm) | 61.45 (1560.74) | 62.19 (1579.59) | 0.74 (18.85) 1.2% |
Sidewall Height inches (mm) | 3.78 (96) | 3.9 (99) | 0.12 (3) 3.1% |
Revolutions per mile (km) | 1031.14 (640.72) | 1018.83 (633.07) | -12.3 (-7.65) -1.2% |
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 20.24 mph (32.58 km/h) |
25 mph (40.23 km/h) | 25.3 mph (40.72 km/h) |
30 mph (48.28 km/h) | 30.36 mph (48.86 km/h) |
35 mph (56.33 km/h) | 35.42 mph (57.01 km/h) |
40 mph (64.37 km/h) | 40.48 mph (65.15 km/h) |
45 mph (72.42 km/h) | 45.54 mph (73.3 km/h) |
50 mph (80.47 km/h) | 50.6 mph (81.44 km/h) |
55 mph (88.51 km/h) | 55.66 mph (89.58 km/h) |
60 mph (96.56 km/h) | 60.72 mph (97.73 km/h) |
65 mph (104.61 km/h) | 65.79 mph (105.87 km/h) |
70 mph (112.65 km/h) | 70.85 mph (114.01 km/h) |
75 mph (120.7 km/h) | 75.91 mph (122.16 km/h) |
80 mph (128.75 km/h) | 80.97 mph (130.3 km/h) |
85 mph (136.79 km/h) | 86.03 mph (138.45 km/h) |
90 mph (144.84 km/h) | 91.09 mph (146.59 km/h) |
95 mph (152.89 km/h) | 96.15 mph (154.73 km/h) |
100 mph (160.93 km/h) | 101.21 mph (162.88 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