Accepts P-Metric and Inches
120/80-12 | 110/80-12 | Difference | |
---|---|---|---|
Diameter inches (mm) | 19.56 (496.8) | 18.93 (480.8) | -0.63 (-16) -3.2% |
Width inches (mm) | 4.72 (120) | 4.33 (110) | -0.39 (-10) -8.3% |
Circum. inches (mm) | 61.45 (1560.74) | 59.47 (1510.48) | -1.98 (-50.27) -3.2% |
Sidewall Height inches (mm) | 3.78 (96) | 3.46 (88) | -0.31 (-8) -8.3% |
Revolutions per mile (km) | 1031.14 (640.72) | 1065.45 (662.04) | 34.31 (21.32) 3.3% |
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 19.36 mph (31.15 km/h) |
25 mph (40.23 km/h) | 24.19 mph (38.94 km/h) |
30 mph (48.28 km/h) | 29.03 mph (46.73 km/h) |
35 mph (56.33 km/h) | 33.87 mph (54.51 km/h) |
40 mph (64.37 km/h) | 38.71 mph (62.3 km/h) |
45 mph (72.42 km/h) | 43.55 mph (70.09 km/h) |
50 mph (80.47 km/h) | 48.39 mph (77.88 km/h) |
55 mph (88.51 km/h) | 53.23 mph (85.66 km/h) |
60 mph (96.56 km/h) | 58.07 mph (93.45 km/h) |
65 mph (104.61 km/h) | 62.91 mph (101.24 km/h) |
70 mph (112.65 km/h) | 67.75 mph (109.03 km/h) |
75 mph (120.7 km/h) | 72.58 mph (116.81 km/h) |
80 mph (128.75 km/h) | 77.42 mph (124.6 km/h) |
85 mph (136.79 km/h) | 82.26 mph (132.39 km/h) |
90 mph (144.84 km/h) | 87.1 mph (140.18 km/h) |
95 mph (152.89 km/h) | 91.94 mph (147.96 km/h) |
100 mph (160.93 km/h) | 96.78 mph (155.75 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 |
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