Accepts P-Metric and Inches
295/60-20 | 305/55-20 | Difference | |
---|---|---|---|
Diameter inches (mm) | 33.94 (862) | 33.21 (843.5) | -0.73 (-18.5) -2.1% |
Width inches (mm) | 11.61 (295) | 12.01 (305) | 0.39 (10) 3.4% |
Circum. inches (mm) | 106.62 (2708.05) | 104.33 (2649.93) | -2.29 (-58.12) -2.1% |
Sidewall Height inches (mm) | 6.97 (177) | 6.6 (167.75) | -0.36 (-9.25) -5.2% |
Revolutions per mile (km) | 594.28 (369.27) | 607.31 (377.37) | 13.03 (8.1) 2.2% |
305/55-20 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 19.57 mph (31.5 km/h) |
25 mph (40.23 km/h) | 24.46 mph (39.37 km/h) |
30 mph (48.28 km/h) | 29.36 mph (47.24 km/h) |
35 mph (56.33 km/h) | 34.25 mph (55.12 km/h) |
40 mph (64.37 km/h) | 39.14 mph (62.99 km/h) |
45 mph (72.42 km/h) | 44.03 mph (70.87 km/h) |
50 mph (80.47 km/h) | 48.93 mph (78.74 km/h) |
55 mph (88.51 km/h) | 53.82 mph (86.61 km/h) |
60 mph (96.56 km/h) | 58.71 mph (94.49 km/h) |
65 mph (104.61 km/h) | 63.6 mph (102.36 km/h) |
70 mph (112.65 km/h) | 68.5 mph (110.24 km/h) |
75 mph (120.7 km/h) | 73.39 mph (118.11 km/h) |
80 mph (128.75 km/h) | 78.28 mph (125.98 km/h) |
85 mph (136.79 km/h) | 83.18 mph (133.86 km/h) |
90 mph (144.84 km/h) | 88.07 mph (141.73 km/h) |
95 mph (152.89 km/h) | 92.96 mph (149.61 km/h) |
100 mph (160.93 km/h) | 97.85 mph (157.48 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1546 | 1795 | 1934 | 2019 | 2111 | 2177 | 2249 | 2335 | 2453 | 2571 | 2703 | 2808 | 2999 | 3209 | 3374 | 3479 | 3538 | 3755 | 4058 | 4715 |
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