Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/70-17 | 33/12.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.3 (718.8) | 33.03 (838.84) | 4.73 (120.04) 16.7% |
| Width inches (mm) | 8.07 (205) | 12.52 (318) | 4.45 (113) 55.1% |
| Circum. inches (mm) | 88.9 (2258.18) | 103.75 (2635.29) | 14.85 (377.12) 16.7% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 8.01 (203.52) | 2.36 (60.02) 41.8% |
| Revolutions per mile (km) | 712.67 (442.83) | 610.69 (379.46) | -101.99 (-63.37) -14.3% |
33/12.5-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.34 mph (37.56 km/h) |
| 25 mph (40.23 km/h) | 29.18 mph (46.95 km/h) |
| 30 mph (48.28 km/h) | 35.01 mph (56.34 km/h) |
| 35 mph (56.33 km/h) | 40.85 mph (65.73 km/h) |
| 40 mph (64.37 km/h) | 46.68 mph (75.12 km/h) |
| 45 mph (72.42 km/h) | 52.52 mph (84.51 km/h) |
| 50 mph (80.47 km/h) | 58.35 mph (93.91 km/h) |
| 55 mph (88.51 km/h) | 64.19 mph (103.3 km/h) |
| 60 mph (96.56 km/h) | 70.02 mph (112.69 km/h) |
| 65 mph (104.61 km/h) | 75.86 mph (122.08 km/h) |
| 70 mph (112.65 km/h) | 81.69 mph (131.47 km/h) |
| 75 mph (120.7 km/h) | 87.53 mph (140.86 km/h) |
| 80 mph (128.75 km/h) | 93.36 mph (150.25 km/h) |
| 85 mph (136.79 km/h) | 99.2 mph (159.64 km/h) |
| 90 mph (144.84 km/h) | 105.03 mph (169.03 km/h) |
| 95 mph (152.89 km/h) | 110.87 mph (178.42 km/h) |
| 100 mph (160.93 km/h) | 116.7 mph (187.81 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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