Accepts P-Metric and Inches
255/50-19 | 290/50-20 | Difference | |
---|---|---|---|
Diameter inches (mm) | 29.04 (737.6) | 31.42 (798) | 2.38 (60.4) 8.2% |
Width inches (mm) | 10.04 (255) | 11.42 (290) | 1.38 (35) 13.7% |
Circum. inches (mm) | 91.23 (2317.24) | 98.7 (2506.99) | 7.47 (189.75) 8.2% |
Sidewall Height inches (mm) | 5.02 (127.5) | 5.71 (145) | 0.69 (17.5) 13.7% |
Revolutions per mile (km) | 694.51 (431.55) | 641.94 (398.88) | -52.57 (-32.66) -7.6% |
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 21.64 mph (34.82 km/h) |
25 mph (40.23 km/h) | 27.05 mph (43.53 km/h) |
30 mph (48.28 km/h) | 32.46 mph (52.23 km/h) |
35 mph (56.33 km/h) | 37.87 mph (60.94 km/h) |
40 mph (64.37 km/h) | 43.28 mph (69.65 km/h) |
45 mph (72.42 km/h) | 48.68 mph (78.35 km/h) |
50 mph (80.47 km/h) | 54.09 mph (87.06 km/h) |
55 mph (88.51 km/h) | 59.5 mph (95.76 km/h) |
60 mph (96.56 km/h) | 64.91 mph (104.47 km/h) |
65 mph (104.61 km/h) | 70.32 mph (113.17 km/h) |
70 mph (112.65 km/h) | 75.73 mph (121.88 km/h) |
75 mph (120.7 km/h) | 81.14 mph (130.58 km/h) |
80 mph (128.75 km/h) | 86.55 mph (139.29 km/h) |
85 mph (136.79 km/h) | 91.96 mph (148 km/h) |
90 mph (144.84 km/h) | 97.37 mph (156.7 km/h) |
95 mph (152.89 km/h) | 102.78 mph (165.41 km/h) |
100 mph (160.93 km/h) | 108.19 mph (174.11 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1634 | 1898 | 2044 | 2134 | 2231 | 2301 | 2377 | 2468 | 2593 | 2718 | 2857 | 2968 | 3170 | 3392 | 3566 | 3677 | 3740 | 3969 | 4289 | 4984 |
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