Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/75-15 | 32/11.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.97 (583.5) | 32.01 (813.16) | 9.04 (229.66) 39.4% |
| Width inches (mm) | 5.31 (135) | 11.5 (292) | 6.18 (157) 116.3% |
| Circum. inches (mm) | 72.17 (1833.12) | 100.58 (2554.62) | 28.41 (721.5) 39.4% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 8.51 (216.08) | 4.52 (114.83) 113.4% |
| Revolutions per mile (km) | 877.93 (545.52) | 629.97 (391.45) | -247.95 (-154.07) -28.2% |
32/11.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.87 mph (44.86 km/h) |
| 25 mph (40.23 km/h) | 34.84 mph (56.07 km/h) |
| 30 mph (48.28 km/h) | 41.81 mph (67.28 km/h) |
| 35 mph (56.33 km/h) | 48.78 mph (78.5 km/h) |
| 40 mph (64.37 km/h) | 55.74 mph (89.71 km/h) |
| 45 mph (72.42 km/h) | 62.71 mph (100.92 km/h) |
| 50 mph (80.47 km/h) | 69.68 mph (112.14 km/h) |
| 55 mph (88.51 km/h) | 76.65 mph (123.35 km/h) |
| 60 mph (96.56 km/h) | 83.62 mph (134.57 km/h) |
| 65 mph (104.61 km/h) | 90.58 mph (145.78 km/h) |
| 70 mph (112.65 km/h) | 97.55 mph (156.99 km/h) |
| 75 mph (120.7 km/h) | 104.52 mph (168.21 km/h) |
| 80 mph (128.75 km/h) | 111.49 mph (179.42 km/h) |
| 85 mph (136.79 km/h) | 118.46 mph (190.64 km/h) |
| 90 mph (144.84 km/h) | 125.42 mph (201.85 km/h) |
| 95 mph (152.89 km/h) | 132.39 mph (213.06 km/h) |
| 100 mph (160.93 km/h) | 139.36 mph (224.28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1603 | 1862 | 2006 | 2094 | 2190 | 2258 | 2333 | 2422 | 2545 | 2667 | 2804 | 2913 | 3111 | 3329 | 3500 | 3609 | 3670 | 3895 | 4209 | 4891 |
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