Accepts P-Metric and Inches
305/60-18 | 275/70-18 | Difference | |
---|---|---|---|
Diameter inches (mm) | 32.41 (823.2) | 33.16 (842.2) | 0.75 (19) 2.3% |
Width inches (mm) | 12.01 (305) | 10.83 (275) | -1.18 (-30) -9.8% |
Circum. inches (mm) | 101.82 (2586.16) | 104.17 (2645.85) | 2.35 (59.69) 2.3% |
Sidewall Height inches (mm) | 7.2 (183) | 7.58 (192.5) | 0.37 (9.5) 5.2% |
Revolutions per mile (km) | 622.29 (386.67) | 608.25 (377.95) | -14.04 (-8.72) -2.3% |
275/70-18 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 20.46 mph (32.93 km/h) |
25 mph (40.23 km/h) | 25.58 mph (41.16 km/h) |
30 mph (48.28 km/h) | 30.69 mph (49.39 km/h) |
35 mph (56.33 km/h) | 35.81 mph (57.63 km/h) |
40 mph (64.37 km/h) | 40.92 mph (65.86 km/h) |
45 mph (72.42 km/h) | 46.04 mph (74.09 km/h) |
50 mph (80.47 km/h) | 51.15 mph (82.32 km/h) |
55 mph (88.51 km/h) | 56.27 mph (90.56 km/h) |
60 mph (96.56 km/h) | 61.38 mph (98.79 km/h) |
65 mph (104.61 km/h) | 66.5 mph (107.02 km/h) |
70 mph (112.65 km/h) | 71.62 mph (115.25 km/h) |
75 mph (120.7 km/h) | 76.73 mph (123.49 km/h) |
80 mph (128.75 km/h) | 81.85 mph (131.72 km/h) |
85 mph (136.79 km/h) | 86.96 mph (139.95 km/h) |
90 mph (144.84 km/h) | 92.08 mph (148.18 km/h) |
95 mph (152.89 km/h) | 97.19 mph (156.42 km/h) |
100 mph (160.93 km/h) | 102.31 mph (164.65 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1548 | 1798 | 1937 | 2022 | 2114 | 2180 | 2253 | 2338 | 2457 | 2575 | 2707 | 2813 | 3004 | 3214 | 3379 | 3484 | 3544 | 3761 | 4064 | 4723 |
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