Accepts P-Metric and Inches
325/70-18 | 33/12.5-18 | Difference | |
---|---|---|---|
Diameter inches (mm) | 35.91 (912.2) | 33.02 (838.8) | -2.89 (-73.4) -8% |
Width inches (mm) | 12.8 (325) | 12.52 (318) | -0.28 (-7) -2.2% |
Circum. inches (mm) | 112.83 (2865.76) | 103.75 (2635.17) | -9.08 (-230.59) -8% |
Sidewall Height inches (mm) | 8.96 (227.5) | 7.51 (190.8) | -1.44 (-36.7) -16.1% |
Revolutions per mile (km) | 561.58 (348.95) | 610.72 (379.48) | 49.14 (30.53) 8.8% |
33/12.5-18 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 18.39 mph (29.6 km/h) |
25 mph (40.23 km/h) | 22.99 mph (37 km/h) |
30 mph (48.28 km/h) | 27.59 mph (44.4 km/h) |
35 mph (56.33 km/h) | 32.18 mph (51.79 km/h) |
40 mph (64.37 km/h) | 36.78 mph (59.19 km/h) |
45 mph (72.42 km/h) | 41.38 mph (66.59 km/h) |
50 mph (80.47 km/h) | 45.98 mph (73.99 km/h) |
55 mph (88.51 km/h) | 50.57 mph (81.39 km/h) |
60 mph (96.56 km/h) | 55.17 mph (88.79 km/h) |
65 mph (104.61 km/h) | 59.77 mph (96.19 km/h) |
70 mph (112.65 km/h) | 64.37 mph (103.59 km/h) |
75 mph (120.7 km/h) | 68.97 mph (110.99 km/h) |
80 mph (128.75 km/h) | 73.56 mph (118.39 km/h) |
85 mph (136.79 km/h) | 78.16 mph (125.79 km/h) |
90 mph (144.84 km/h) | 82.76 mph (133.19 km/h) |
95 mph (152.89 km/h) | 87.36 mph (140.59 km/h) |
100 mph (160.93 km/h) | 91.95 mph (147.99 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1554 | 1805 | 1944 | 2030 | 2123 | 2189 | 2262 | 2348 | 2467 | 2586 | 2718 | 2824 | 3016 | 3227 | 3393 | 3499 | 3558 | 3776 | 4080 | 4742 |
Better Fuel Economy Factory Ratios Increased Power