Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/75-16 | 33/12.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.11 (713.9) | 33.03 (838.92) | 4.92 (125.02) 17.5% |
| Width inches (mm) | 8.07 (205) | 12.52 (318) | 4.45 (113) 55.1% |
| Circum. inches (mm) | 88.3 (2242.78) | 103.76 (2635.54) | 15.46 (392.76) 17.5% |
| Sidewall Height inches (mm) | 6.05 (153.75) | 9.01 (228.96) | 2.96 (75.21) 48.9% |
| Revolutions per mile (km) | 717.57 (445.87) | 610.63 (379.43) | -106.94 (-66.45) -14.9% |
33/12.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.5 mph (37.82 km/h) |
| 25 mph (40.23 km/h) | 29.38 mph (47.28 km/h) |
| 30 mph (48.28 km/h) | 35.25 mph (56.74 km/h) |
| 35 mph (56.33 km/h) | 41.13 mph (66.19 km/h) |
| 40 mph (64.37 km/h) | 47 mph (75.65 km/h) |
| 45 mph (72.42 km/h) | 52.88 mph (85.1 km/h) |
| 50 mph (80.47 km/h) | 58.76 mph (94.56 km/h) |
| 55 mph (88.51 km/h) | 64.63 mph (104.01 km/h) |
| 60 mph (96.56 km/h) | 70.51 mph (113.47 km/h) |
| 65 mph (104.61 km/h) | 76.38 mph (122.93 km/h) |
| 70 mph (112.65 km/h) | 82.26 mph (132.38 km/h) |
| 75 mph (120.7 km/h) | 88.13 mph (141.84 km/h) |
| 80 mph (128.75 km/h) | 94.01 mph (151.29 km/h) |
| 85 mph (136.79 km/h) | 99.89 mph (160.75 km/h) |
| 90 mph (144.84 km/h) | 105.76 mph (170.21 km/h) |
| 95 mph (152.89 km/h) | 111.64 mph (179.66 km/h) |
| 100 mph (160.93 km/h) | 117.51 mph (189.12 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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