Accepts P-Metric and Inches
275/60-20 | 275/70-18 | Difference | |
---|---|---|---|
Diameter inches (mm) | 32.99 (838) | 33.16 (842.2) | 0.17 (4.2) 0.5% |
Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
Circum. inches (mm) | 103.65 (2632.65) | 104.17 (2645.85) | 0.52 (13.19) 0.5% |
Sidewall Height inches (mm) | 6.5 (165) | 7.58 (192.5) | 1.08 (27.5) 16.7% |
Revolutions per mile (km) | 611.3 (379.84) | 608.25 (377.95) | -3.05 (-1.89) -0.5% |
275/70-18 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 20.1 mph (32.35 km/h) |
25 mph (40.23 km/h) | 25.13 mph (40.44 km/h) |
30 mph (48.28 km/h) | 30.15 mph (48.52 km/h) |
35 mph (56.33 km/h) | 35.18 mph (56.61 km/h) |
40 mph (64.37 km/h) | 40.2 mph (64.7 km/h) |
45 mph (72.42 km/h) | 45.23 mph (72.78 km/h) |
50 mph (80.47 km/h) | 50.25 mph (80.87 km/h) |
55 mph (88.51 km/h) | 55.28 mph (88.96 km/h) |
60 mph (96.56 km/h) | 60.3 mph (97.04 km/h) |
65 mph (104.61 km/h) | 65.33 mph (105.13 km/h) |
70 mph (112.65 km/h) | 70.35 mph (113.22 km/h) |
75 mph (120.7 km/h) | 75.38 mph (121.31 km/h) |
80 mph (128.75 km/h) | 80.4 mph (129.39 km/h) |
85 mph (136.79 km/h) | 85.43 mph (137.48 km/h) |
90 mph (144.84 km/h) | 90.45 mph (145.57 km/h) |
95 mph (152.89 km/h) | 95.48 mph (153.65 km/h) |
100 mph (160.93 km/h) | 100.5 mph (161.74 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 |
Better Fuel Economy Factory Ratios Increased Power