Accepts P-Metric and Inches
305/40-22 | 305/50-20 | Difference | |
---|---|---|---|
Diameter inches (mm) | 31.61 (802.8) | 32.01 (813) | 0.4 (10.2) 1.3% |
Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
Circum. inches (mm) | 99.29 (2522.07) | 100.56 (2554.11) | 1.26 (32.04) 1.3% |
Sidewall Height inches (mm) | 4.8 (122) | 6 (152.5) | 1.2 (30.5) 25% |
Revolutions per mile (km) | 638.1 (396.5) | 630.1 (391.52) | -8.01 (-4.97) -1.3% |
305/50-20 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 20.25 mph (32.6 km/h) |
25 mph (40.23 km/h) | 25.32 mph (40.74 km/h) |
30 mph (48.28 km/h) | 30.38 mph (48.89 km/h) |
35 mph (56.33 km/h) | 35.44 mph (57.04 km/h) |
40 mph (64.37 km/h) | 40.51 mph (65.19 km/h) |
45 mph (72.42 km/h) | 45.57 mph (73.34 km/h) |
50 mph (80.47 km/h) | 50.64 mph (81.49 km/h) |
55 mph (88.51 km/h) | 55.7 mph (89.64 km/h) |
60 mph (96.56 km/h) | 60.76 mph (97.79 km/h) |
65 mph (104.61 km/h) | 65.83 mph (105.94 km/h) |
70 mph (112.65 km/h) | 70.89 mph (114.09 km/h) |
75 mph (120.7 km/h) | 75.95 mph (122.23 km/h) |
80 mph (128.75 km/h) | 81.02 mph (130.38 km/h) |
85 mph (136.79 km/h) | 86.08 mph (138.53 km/h) |
90 mph (144.84 km/h) | 91.14 mph (146.68 km/h) |
95 mph (152.89 km/h) | 96.21 mph (154.83 km/h) |
100 mph (160.93 km/h) | 101.27 mph (162.98 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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