Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/65-18 | 33/12.5-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.1 (840.7) | 33.02 (838.8) | -0.07 (-1.9) -0.2% |
| Width inches (mm) | 11.61 (295) | 12.52 (318) | 0.91 (23) 7.8% |
| Circum. inches (mm) | 103.98 (2641.14) | 103.75 (2635.17) | -0.24 (-5.97) -0.2% |
| Sidewall Height inches (mm) | 7.55 (191.75) | 7.51 (190.8) | -0.04 (-0.95) -0.5% |
| Revolutions per mile (km) | 609.34 (378.62) | 610.72 (379.48) | 1.38 (0.86) 0.2% |
33/12.5-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.95 mph (32.11 km/h) |
| 25 mph (40.23 km/h) | 24.94 mph (40.14 km/h) |
| 30 mph (48.28 km/h) | 29.93 mph (48.17 km/h) |
| 35 mph (56.33 km/h) | 34.92 mph (56.2 km/h) |
| 40 mph (64.37 km/h) | 39.91 mph (64.23 km/h) |
| 45 mph (72.42 km/h) | 44.9 mph (72.26 km/h) |
| 50 mph (80.47 km/h) | 49.89 mph (80.29 km/h) |
| 55 mph (88.51 km/h) | 54.88 mph (88.31 km/h) |
| 60 mph (96.56 km/h) | 59.86 mph (96.34 km/h) |
| 65 mph (104.61 km/h) | 64.85 mph (104.37 km/h) |
| 70 mph (112.65 km/h) | 69.84 mph (112.4 km/h) |
| 75 mph (120.7 km/h) | 74.83 mph (120.43 km/h) |
| 80 mph (128.75 km/h) | 79.82 mph (128.46 km/h) |
| 85 mph (136.79 km/h) | 84.81 mph (136.49 km/h) |
| 90 mph (144.84 km/h) | 89.8 mph (144.51 km/h) |
| 95 mph (152.89 km/h) | 94.79 mph (152.54 km/h) |
| 100 mph (160.93 km/h) | 99.77 mph (160.57 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 | 3499 | 3558 | 3776 | 4080 | 4742 |
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