Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/75-15 | 32/11.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.24 (793.5) | 32.01 (813.16) | 0.77 (19.66) 2.5% |
| Width inches (mm) | 10.83 (275) | 11.5 (292) | 0.67 (17) 6.2% |
| Circum. inches (mm) | 98.14 (2492.85) | 100.58 (2554.62) | 2.43 (61.76) 2.5% |
| Sidewall Height inches (mm) | 8.12 (206.25) | 8.51 (216.08) | 0.39 (9.83) 4.8% |
| Revolutions per mile (km) | 645.58 (401.15) | 629.97 (391.45) | -15.61 (-9.7) -2.4% |
32/11.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.5 mph (32.98 km/h) |
| 25 mph (40.23 km/h) | 25.62 mph (41.23 km/h) |
| 30 mph (48.28 km/h) | 30.74 mph (49.48 km/h) |
| 35 mph (56.33 km/h) | 35.87 mph (57.72 km/h) |
| 40 mph (64.37 km/h) | 40.99 mph (65.97 km/h) |
| 45 mph (72.42 km/h) | 46.11 mph (74.21 km/h) |
| 50 mph (80.47 km/h) | 51.24 mph (82.46 km/h) |
| 55 mph (88.51 km/h) | 56.36 mph (90.71 km/h) |
| 60 mph (96.56 km/h) | 61.49 mph (98.95 km/h) |
| 65 mph (104.61 km/h) | 66.61 mph (107.2 km/h) |
| 70 mph (112.65 km/h) | 71.73 mph (115.45 km/h) |
| 75 mph (120.7 km/h) | 76.86 mph (123.69 km/h) |
| 80 mph (128.75 km/h) | 81.98 mph (131.94 km/h) |
| 85 mph (136.79 km/h) | 87.11 mph (140.18 km/h) |
| 90 mph (144.84 km/h) | 92.23 mph (148.43 km/h) |
| 95 mph (152.89 km/h) | 97.35 mph (156.68 km/h) |
| 100 mph (160.93 km/h) | 102.48 mph (164.92 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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