Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/70-17 | 33/12.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.85 (732.8) | 33.03 (838.84) | 4.17 (106.04) 14.5% |
| Width inches (mm) | 8.46 (215) | 12.52 (318) | 4.06 (103) 47.9% |
| Circum. inches (mm) | 90.64 (2302.16) | 103.75 (2635.29) | 13.12 (333.13) 14.5% |
| Sidewall Height inches (mm) | 5.93 (150.5) | 8.01 (203.52) | 2.09 (53.02) 35.2% |
| Revolutions per mile (km) | 699.06 (434.37) | 610.69 (379.46) | -88.37 (-54.91) -12.6% |
33/12.5-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.89 mph (36.84 km/h) |
| 25 mph (40.23 km/h) | 28.62 mph (46.06 km/h) |
| 30 mph (48.28 km/h) | 34.34 mph (55.27 km/h) |
| 35 mph (56.33 km/h) | 40.06 mph (64.48 km/h) |
| 40 mph (64.37 km/h) | 45.79 mph (73.69 km/h) |
| 45 mph (72.42 km/h) | 51.51 mph (82.9 km/h) |
| 50 mph (80.47 km/h) | 57.24 mph (92.11 km/h) |
| 55 mph (88.51 km/h) | 62.96 mph (101.32 km/h) |
| 60 mph (96.56 km/h) | 68.68 mph (110.53 km/h) |
| 65 mph (104.61 km/h) | 74.41 mph (119.74 km/h) |
| 70 mph (112.65 km/h) | 80.13 mph (128.96 km/h) |
| 75 mph (120.7 km/h) | 85.85 mph (138.17 km/h) |
| 80 mph (128.75 km/h) | 91.58 mph (147.38 km/h) |
| 85 mph (136.79 km/h) | 97.3 mph (156.59 km/h) |
| 90 mph (144.84 km/h) | 103.02 mph (165.8 km/h) |
| 95 mph (152.89 km/h) | 108.75 mph (175.01 km/h) |
| 100 mph (160.93 km/h) | 114.47 mph (184.22 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 | 2262 | 2348 | 2467 | 2586 | 2718 | 2824 | 3016 | 3227 | 3393 | 3498 | 3558 | 3776 | 4080 | 4742 |
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