Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/65-20 | 33/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.1 (891.5) | 33.02 (838.72) | -2.08 (-52.78) -5.9% |
| Width inches (mm) | 11.61 (295) | 12.52 (318) | 0.91 (23) 7.8% |
| Circum. inches (mm) | 110.26 (2800.73) | 103.74 (2634.92) | -6.53 (-165.81) -5.9% |
| Sidewall Height inches (mm) | 7.55 (191.75) | 6.51 (165.36) | -1.04 (-26.39) -13.8% |
| Revolutions per mile (km) | 574.62 (357.05) | 610.78 (379.52) | 36.16 (22.47) 6.3% |
33/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.82 mph (30.28 km/h) |
| 25 mph (40.23 km/h) | 23.52 mph (37.85 km/h) |
| 30 mph (48.28 km/h) | 28.22 mph (45.42 km/h) |
| 35 mph (56.33 km/h) | 32.93 mph (52.99 km/h) |
| 40 mph (64.37 km/h) | 37.63 mph (60.56 km/h) |
| 45 mph (72.42 km/h) | 42.34 mph (68.13 km/h) |
| 50 mph (80.47 km/h) | 47.04 mph (75.7 km/h) |
| 55 mph (88.51 km/h) | 51.74 mph (83.27 km/h) |
| 60 mph (96.56 km/h) | 56.45 mph (90.84 km/h) |
| 65 mph (104.61 km/h) | 61.15 mph (98.41 km/h) |
| 70 mph (112.65 km/h) | 65.86 mph (105.98 km/h) |
| 75 mph (120.7 km/h) | 70.56 mph (113.56 km/h) |
| 80 mph (128.75 km/h) | 75.26 mph (121.13 km/h) |
| 85 mph (136.79 km/h) | 79.97 mph (128.7 km/h) |
| 90 mph (144.84 km/h) | 84.67 mph (136.27 km/h) |
| 95 mph (152.89 km/h) | 89.38 mph (143.84 km/h) |
| 100 mph (160.93 km/h) | 94.08 mph (151.41 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 | 1806 | 1945 | 2031 | 2123 | 2189 | 2262 | 2348 | 2467 | 2586 | 2718 | 2824 | 3016 | 3228 | 3393 | 3499 | 3558 | 3777 | 4081 | 4742 |
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