Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/70-17 | 33/12.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.71 (830.8) | 33.03 (838.84) | 0.32 (8.04) 1% |
| Width inches (mm) | 11.22 (285) | 12.52 (318) | 1.3 (33) 11.6% |
| Circum. inches (mm) | 102.76 (2610.04) | 103.75 (2635.29) | 0.99 (25.26) 1% |
| Sidewall Height inches (mm) | 7.85 (199.5) | 8.01 (203.52) | 0.16 (4.02) 2% |
| Revolutions per mile (km) | 616.6 (383.14) | 610.69 (379.46) | -5.91 (-3.67) -1% |
33/12.5-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.19 mph (32.5 km/h) |
| 25 mph (40.23 km/h) | 25.24 mph (40.62 km/h) |
| 30 mph (48.28 km/h) | 30.29 mph (48.75 km/h) |
| 35 mph (56.33 km/h) | 35.34 mph (56.87 km/h) |
| 40 mph (64.37 km/h) | 40.39 mph (65 km/h) |
| 45 mph (72.42 km/h) | 45.44 mph (73.12 km/h) |
| 50 mph (80.47 km/h) | 50.48 mph (81.25 km/h) |
| 55 mph (88.51 km/h) | 55.53 mph (89.37 km/h) |
| 60 mph (96.56 km/h) | 60.58 mph (97.5 km/h) |
| 65 mph (104.61 km/h) | 65.63 mph (105.62 km/h) |
| 70 mph (112.65 km/h) | 70.68 mph (113.74 km/h) |
| 75 mph (120.7 km/h) | 75.73 mph (121.87 km/h) |
| 80 mph (128.75 km/h) | 80.77 mph (129.99 km/h) |
| 85 mph (136.79 km/h) | 85.82 mph (138.12 km/h) |
| 90 mph (144.84 km/h) | 90.87 mph (146.24 km/h) |
| 95 mph (152.89 km/h) | 95.92 mph (154.37 km/h) |
| 100 mph (160.93 km/h) | 100.97 mph (162.49 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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