Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/75-15 | 33/12.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.7 (703.5) | 33.03 (838.92) | 5.33 (135.42) 19.2% |
| Width inches (mm) | 8.46 (215) | 12.52 (318) | 4.06 (103) 47.9% |
| Circum. inches (mm) | 87.01 (2210.11) | 103.76 (2635.54) | 16.75 (425.43) 19.2% |
| Sidewall Height inches (mm) | 6.35 (161.25) | 9.01 (228.96) | 2.67 (67.71) 42% |
| Revolutions per mile (km) | 728.17 (452.47) | 610.63 (379.43) | -117.54 (-73.04) -16.1% |
33/12.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.85 mph (38.38 km/h) |
| 25 mph (40.23 km/h) | 29.81 mph (47.98 km/h) |
| 30 mph (48.28 km/h) | 35.77 mph (57.57 km/h) |
| 35 mph (56.33 km/h) | 41.74 mph (67.17 km/h) |
| 40 mph (64.37 km/h) | 47.7 mph (76.77 km/h) |
| 45 mph (72.42 km/h) | 53.66 mph (86.36 km/h) |
| 50 mph (80.47 km/h) | 59.62 mph (95.96 km/h) |
| 55 mph (88.51 km/h) | 65.59 mph (105.55 km/h) |
| 60 mph (96.56 km/h) | 71.55 mph (115.15 km/h) |
| 65 mph (104.61 km/h) | 77.51 mph (124.74 km/h) |
| 70 mph (112.65 km/h) | 83.47 mph (134.34 km/h) |
| 75 mph (120.7 km/h) | 89.44 mph (143.94 km/h) |
| 80 mph (128.75 km/h) | 95.4 mph (153.53 km/h) |
| 85 mph (136.79 km/h) | 101.36 mph (163.13 km/h) |
| 90 mph (144.84 km/h) | 107.32 mph (172.72 km/h) |
| 95 mph (152.89 km/h) | 113.29 mph (182.32 km/h) |
| 100 mph (160.93 km/h) | 119.25 mph (191.91 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 | 2261 | 2347 | 2466 | 2585 | 2718 | 2824 | 3015 | 3227 | 3392 | 3498 | 3558 | 3776 | 4080 | 4741 |
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