Accepts P-Metric and Inches
215/55-16 | 215/45-18 | Difference | |
---|---|---|---|
Diameter inches (mm) | 25.31 (642.9) | 25.62 (650.7) | 0.31 (7.8) 1.2% |
Width inches (mm) | 8.46 (215) | 8.46 (215) | 0 (0) 0% |
Circum. inches (mm) | 79.52 (2019.73) | 80.48 (2044.23) | 0.96 (24.5) 1.2% |
Sidewall Height inches (mm) | 4.66 (118.25) | 3.81 (96.75) | -0.85 (-21.5) -18.2% |
Revolutions per mile (km) | 796.81 (495.11) | 787.26 (489.18) | -9.55 (-5.93) -1.2% |
215/45-18 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 20.24 mph (32.58 km/h) |
25 mph (40.23 km/h) | 25.3 mph (40.72 km/h) |
30 mph (48.28 km/h) | 30.36 mph (48.87 km/h) |
35 mph (56.33 km/h) | 35.42 mph (57.01 km/h) |
40 mph (64.37 km/h) | 40.49 mph (65.15 km/h) |
45 mph (72.42 km/h) | 45.55 mph (73.3 km/h) |
50 mph (80.47 km/h) | 50.61 mph (81.44 km/h) |
55 mph (88.51 km/h) | 55.67 mph (89.59 km/h) |
60 mph (96.56 km/h) | 60.73 mph (97.73 km/h) |
65 mph (104.61 km/h) | 65.79 mph (105.88 km/h) |
70 mph (112.65 km/h) | 70.85 mph (114.02 km/h) |
75 mph (120.7 km/h) | 75.91 mph (122.17 km/h) |
80 mph (128.75 km/h) | 80.97 mph (130.31 km/h) |
85 mph (136.79 km/h) | 86.03 mph (138.45 km/h) |
90 mph (144.84 km/h) | 91.09 mph (146.6 km/h) |
95 mph (152.89 km/h) | 96.15 mph (154.74 km/h) |
100 mph (160.93 km/h) | 101.21 mph (162.89 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2003 | 2327 | 2506 | 2617 | 2737 | 2822 | 2916 | 3026 | 3180 | 3333 | 3504 | 3640 | 3887 | 4160 | 4373 | 4510 | 4587 | 4868 | 5260 | 6113 |
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