Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/80-15 | 33/12.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.91 (709) | 33.03 (838.92) | 5.11 (129.92) 18.3% |
| Width inches (mm) | 8.07 (205) | 12.52 (318) | 4.45 (113) 55.1% |
| Circum. inches (mm) | 87.69 (2227.39) | 103.76 (2635.54) | 16.07 (408.16) 18.3% |
| Sidewall Height inches (mm) | 6.46 (164) | 9.01 (228.96) | 2.56 (64.96) 39.6% |
| Revolutions per mile (km) | 722.52 (448.96) | 610.63 (379.43) | -111.89 (-69.53) -15.5% |
33/12.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.66 mph (38.09 km/h) |
| 25 mph (40.23 km/h) | 29.58 mph (47.61 km/h) |
| 30 mph (48.28 km/h) | 35.5 mph (57.13 km/h) |
| 35 mph (56.33 km/h) | 41.41 mph (66.65 km/h) |
| 40 mph (64.37 km/h) | 47.33 mph (76.17 km/h) |
| 45 mph (72.42 km/h) | 53.25 mph (85.69 km/h) |
| 50 mph (80.47 km/h) | 59.16 mph (95.21 km/h) |
| 55 mph (88.51 km/h) | 65.08 mph (104.73 km/h) |
| 60 mph (96.56 km/h) | 70.99 mph (114.26 km/h) |
| 65 mph (104.61 km/h) | 76.91 mph (123.78 km/h) |
| 70 mph (112.65 km/h) | 82.83 mph (133.3 km/h) |
| 75 mph (120.7 km/h) | 88.74 mph (142.82 km/h) |
| 80 mph (128.75 km/h) | 94.66 mph (152.34 km/h) |
| 85 mph (136.79 km/h) | 100.58 mph (161.86 km/h) |
| 90 mph (144.84 km/h) | 106.49 mph (171.38 km/h) |
| 95 mph (152.89 km/h) | 112.41 mph (180.9 km/h) |
| 100 mph (160.93 km/h) | 118.32 mph (190.43 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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