Accepts P-Metric and Inches
305/35-23 | 285/40-23 | Difference | |
---|---|---|---|
Diameter inches (mm) | 31.41 (797.7) | 31.98 (812.2) | 0.57 (14.5) 1.8% |
Width inches (mm) | 12.01 (305) | 11.22 (285) | -0.79 (-20) -6.6% |
Circum. inches (mm) | 98.66 (2506.05) | 100.46 (2551.6) | 1.79 (45.55) 1.8% |
Sidewall Height inches (mm) | 4.2 (106.75) | 4.49 (114) | 0.29 (7.25) 6.8% |
Revolutions per mile (km) | 642.18 (399.03) | 630.72 (391.91) | -11.46 (-7.12) -1.8% |
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 20.36 mph (32.77 km/h) |
25 mph (40.23 km/h) | 25.45 mph (40.97 km/h) |
30 mph (48.28 km/h) | 30.55 mph (49.16 km/h) |
35 mph (56.33 km/h) | 35.64 mph (57.35 km/h) |
40 mph (64.37 km/h) | 40.73 mph (65.54 km/h) |
45 mph (72.42 km/h) | 45.82 mph (73.74 km/h) |
50 mph (80.47 km/h) | 50.91 mph (81.93 km/h) |
55 mph (88.51 km/h) | 56 mph (90.12 km/h) |
60 mph (96.56 km/h) | 61.09 mph (98.32 km/h) |
65 mph (104.61 km/h) | 66.18 mph (106.51 km/h) |
70 mph (112.65 km/h) | 71.27 mph (114.7 km/h) |
75 mph (120.7 km/h) | 76.36 mph (122.9 km/h) |
80 mph (128.75 km/h) | 81.45 mph (131.09 km/h) |
85 mph (136.79 km/h) | 86.55 mph (139.28 km/h) |
90 mph (144.84 km/h) | 91.64 mph (147.47 km/h) |
95 mph (152.89 km/h) | 96.73 mph (155.67 km/h) |
100 mph (160.93 km/h) | 101.82 mph (163.86 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1605 | 1865 | 2008 | 2097 | 2192 | 2261 | 2336 | 2425 | 2548 | 2671 | 2807 | 2916 | 3114 | 3333 | 3504 | 3613 | 3675 | 3900 | 4214 | 4897 |
Better Fuel Economy Factory Ratios Increased Power