Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/25-21 | 32/11.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.81 (680.9) | 32.01 (813.16) | 5.21 (132.26) 19.4% |
| Width inches (mm) | 11.61 (295) | 11.5 (292) | -0.12 (-3) -1% |
| Circum. inches (mm) | 84.22 (2139.11) | 100.58 (2554.62) | 16.36 (415.51) 19.4% |
| Sidewall Height inches (mm) | 2.9 (73.75) | 8.51 (216.08) | 5.6 (142.33) 193% |
| Revolutions per mile (km) | 752.34 (467.48) | 629.97 (391.45) | -122.37 (-76.04) -16.3% |
32/11.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.88 mph (38.44 km/h) |
| 25 mph (40.23 km/h) | 29.86 mph (48.05 km/h) |
| 30 mph (48.28 km/h) | 35.83 mph (57.66 km/h) |
| 35 mph (56.33 km/h) | 41.8 mph (67.27 km/h) |
| 40 mph (64.37 km/h) | 47.77 mph (76.88 km/h) |
| 45 mph (72.42 km/h) | 53.74 mph (86.49 km/h) |
| 50 mph (80.47 km/h) | 59.71 mph (96.1 km/h) |
| 55 mph (88.51 km/h) | 65.68 mph (105.71 km/h) |
| 60 mph (96.56 km/h) | 71.65 mph (115.32 km/h) |
| 65 mph (104.61 km/h) | 77.63 mph (124.93 km/h) |
| 70 mph (112.65 km/h) | 83.6 mph (134.54 km/h) |
| 75 mph (120.7 km/h) | 89.57 mph (144.15 km/h) |
| 80 mph (128.75 km/h) | 95.54 mph (153.76 km/h) |
| 85 mph (136.79 km/h) | 101.51 mph (163.37 km/h) |
| 90 mph (144.84 km/h) | 107.48 mph (172.98 km/h) |
| 95 mph (152.89 km/h) | 113.45 mph (182.59 km/h) |
| 100 mph (160.93 km/h) | 119.42 mph (192.2 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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