Accepts P-Metric and Inches
305/45-20 | 305/50-20 | Difference | |
---|---|---|---|
Diameter inches (mm) | 30.81 (782.5) | 32.01 (813) | 1.2 (30.5) 3.9% |
Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
Circum. inches (mm) | 96.78 (2458.3) | 100.56 (2554.11) | 3.77 (95.82) 3.9% |
Sidewall Height inches (mm) | 5.4 (137.25) | 6 (152.5) | 0.6 (15.25) 11.1% |
Revolutions per mile (km) | 654.66 (406.79) | 630.1 (391.52) | -24.56 (-15.26) -3.8% |
305/50-20 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 20.78 mph (33.44 km/h) |
25 mph (40.23 km/h) | 25.97 mph (41.8 km/h) |
30 mph (48.28 km/h) | 31.17 mph (50.16 km/h) |
35 mph (56.33 km/h) | 36.36 mph (58.52 km/h) |
40 mph (64.37 km/h) | 41.56 mph (66.88 km/h) |
45 mph (72.42 km/h) | 46.75 mph (75.24 km/h) |
50 mph (80.47 km/h) | 51.95 mph (83.6 km/h) |
55 mph (88.51 km/h) | 57.14 mph (91.96 km/h) |
60 mph (96.56 km/h) | 62.34 mph (100.32 km/h) |
65 mph (104.61 km/h) | 67.53 mph (108.68 km/h) |
70 mph (112.65 km/h) | 72.73 mph (117.05 km/h) |
75 mph (120.7 km/h) | 77.92 mph (125.41 km/h) |
80 mph (128.75 km/h) | 83.12 mph (133.77 km/h) |
85 mph (136.79 km/h) | 88.31 mph (142.13 km/h) |
90 mph (144.84 km/h) | 93.51 mph (150.49 km/h) |
95 mph (152.89 km/h) | 98.7 mph (158.85 km/h) |
100 mph (160.93 km/h) | 103.9 mph (167.21 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1603 | 1863 | 2006 | 2095 | 2190 | 2259 | 2334 | 2422 | 2545 | 2668 | 2804 | 2914 | 3111 | 3330 | 3500 | 3610 | 3671 | 3896 | 4210 | 4892 |
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