Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 33/12.5-15 | 32/11.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.03 (838.92) | 32.01 (813.16) | -1.01 (-25.76) -3.1% |
| Width inches (mm) | 12.52 (318) | 11.5 (292) | -1.02 (-26) -8.2% |
| Circum. inches (mm) | 103.76 (2635.54) | 100.58 (2554.62) | -3.19 (-80.93) -3.1% |
| Sidewall Height inches (mm) | 9.01 (228.96) | 8.51 (216.08) | -0.51 (-12.88) -5.6% |
| Revolutions per mile (km) | 610.63 (379.43) | 629.97 (391.45) | 19.34 (12.02) 3.2% |
32/11.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.39 mph (31.2 km/h) |
| 25 mph (40.23 km/h) | 24.23 mph (39 km/h) |
| 30 mph (48.28 km/h) | 29.08 mph (46.8 km/h) |
| 35 mph (56.33 km/h) | 33.93 mph (54.6 km/h) |
| 40 mph (64.37 km/h) | 38.77 mph (62.4 km/h) |
| 45 mph (72.42 km/h) | 43.62 mph (70.2 km/h) |
| 50 mph (80.47 km/h) | 48.46 mph (78 km/h) |
| 55 mph (88.51 km/h) | 53.31 mph (85.8 km/h) |
| 60 mph (96.56 km/h) | 58.16 mph (93.6 km/h) |
| 65 mph (104.61 km/h) | 63 mph (101.4 km/h) |
| 70 mph (112.65 km/h) | 67.85 mph (109.2 km/h) |
| 75 mph (120.7 km/h) | 72.7 mph (116.99 km/h) |
| 80 mph (128.75 km/h) | 77.54 mph (124.79 km/h) |
| 85 mph (136.79 km/h) | 82.39 mph (132.59 km/h) |
| 90 mph (144.84 km/h) | 87.24 mph (140.39 km/h) |
| 95 mph (152.89 km/h) | 92.08 mph (148.19 km/h) |
| 100 mph (160.93 km/h) | 96.93 mph (155.99 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1603 | 1862 | 2006 | 2094 | 2190 | 2258 | 2333 | 2422 | 2545 | 2667 | 2804 | 2913 | 3111 | 3329 | 3500 | 3609 | 3670 | 3895 | 4209 | 4891 |
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