Accepts P-Metric and Inches
145/60-20 | 255/40-19 | Difference | |
---|---|---|---|
Diameter inches (mm) | 26.85 (682) | 27.03 (686.6) | 0.18 (4.6) 0.7% |
Width inches (mm) | 5.71 (145) | 10.04 (255) | 4.33 (110) 75.9% |
Circum. inches (mm) | 84.35 (2142.57) | 84.92 (2157.02) | 0.57 (14.45) 0.7% |
Sidewall Height inches (mm) | 3.43 (87) | 4.02 (102) | 0.59 (15) 17.2% |
Revolutions per mile (km) | 751.13 (466.73) | 746.1 (463.6) | -5.03 (-3.13) -0.7% |
255/40-19 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 20.13 mph (32.4 km/h) |
25 mph (40.23 km/h) | 25.17 mph (40.51 km/h) |
30 mph (48.28 km/h) | 30.2 mph (48.61 km/h) |
35 mph (56.33 km/h) | 35.24 mph (56.71 km/h) |
40 mph (64.37 km/h) | 40.27 mph (64.81 km/h) |
45 mph (72.42 km/h) | 45.3 mph (72.91 km/h) |
50 mph (80.47 km/h) | 50.34 mph (81.01 km/h) |
55 mph (88.51 km/h) | 55.37 mph (89.11 km/h) |
60 mph (96.56 km/h) | 60.4 mph (97.21 km/h) |
65 mph (104.61 km/h) | 65.44 mph (105.31 km/h) |
70 mph (112.65 km/h) | 70.47 mph (113.41 km/h) |
75 mph (120.7 km/h) | 75.51 mph (121.52 km/h) |
80 mph (128.75 km/h) | 80.54 mph (129.62 km/h) |
85 mph (136.79 km/h) | 85.57 mph (137.72 km/h) |
90 mph (144.84 km/h) | 90.61 mph (145.82 km/h) |
95 mph (152.89 km/h) | 95.64 mph (153.92 km/h) |
100 mph (160.93 km/h) | 100.67 mph (162.02 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1899 | 2206 | 2375 | 2480 | 2594 | 2674 | 2763 | 2868 | 3014 | 3159 | 3321 | 3450 | 3684 | 3943 | 4145 | 4274 | 4347 | 4613 | 4985 | 5793 |
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