Accepts P-Metric and Inches
275/70-18 | 305/65-18 | Difference | |
---|---|---|---|
Diameter inches (mm) | 33.16 (842.2) | 33.61 (853.7) | 0.45 (11.5) 1.4% |
Width inches (mm) | 10.83 (275) | 12.01 (305) | 1.18 (30) 10.9% |
Circum. inches (mm) | 104.17 (2645.85) | 105.59 (2681.98) | 1.42 (36.13) 1.4% |
Sidewall Height inches (mm) | 7.58 (192.5) | 7.81 (198.25) | 0.23 (5.75) 3% |
Revolutions per mile (km) | 608.25 (377.95) | 600.06 (372.86) | -8.19 (-5.09) -1.3% |
305/65-18 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 20.27 mph (32.63 km/h) |
25 mph (40.23 km/h) | 25.34 mph (40.78 km/h) |
30 mph (48.28 km/h) | 30.41 mph (48.94 km/h) |
35 mph (56.33 km/h) | 35.48 mph (57.1 km/h) |
40 mph (64.37 km/h) | 40.55 mph (65.25 km/h) |
45 mph (72.42 km/h) | 45.61 mph (73.41 km/h) |
50 mph (80.47 km/h) | 50.68 mph (81.57 km/h) |
55 mph (88.51 km/h) | 55.75 mph (89.72 km/h) |
60 mph (96.56 km/h) | 60.82 mph (97.88 km/h) |
65 mph (104.61 km/h) | 65.89 mph (106.04 km/h) |
70 mph (112.65 km/h) | 70.96 mph (114.19 km/h) |
75 mph (120.7 km/h) | 76.02 mph (122.35 km/h) |
80 mph (128.75 km/h) | 81.09 mph (130.51 km/h) |
85 mph (136.79 km/h) | 86.16 mph (138.66 km/h) |
90 mph (144.84 km/h) | 91.23 mph (146.82 km/h) |
95 mph (152.89 km/h) | 96.3 mph (154.98 km/h) |
100 mph (160.93 km/h) | 101.37 mph (163.13 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1527 | 1774 | 1910 | 1995 | 2086 | 2151 | 2222 | 2307 | 2424 | 2541 | 2671 | 2775 | 2963 | 3171 | 3333 | 3437 | 3496 | 3710 | 4009 | 4659 |
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