Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/70-20 | 33/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.26 (921) | 33.02 (838.72) | -3.24 (-82.28) -8.9% |
| Width inches (mm) | 11.61 (295) | 12.52 (318) | 0.91 (23) 7.8% |
| Circum. inches (mm) | 113.91 (2893.41) | 103.74 (2634.92) | -10.18 (-258.49) -8.9% |
| Sidewall Height inches (mm) | 8.13 (206.5) | 6.51 (165.36) | -1.62 (-41.14) -19.9% |
| Revolutions per mile (km) | 556.21 (345.61) | 610.78 (379.52) | 54.57 (33.91) 9.8% |
33/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.21 mph (29.31 km/h) |
| 25 mph (40.23 km/h) | 22.77 mph (36.64 km/h) |
| 30 mph (48.28 km/h) | 27.32 mph (43.97 km/h) |
| 35 mph (56.33 km/h) | 31.87 mph (51.3 km/h) |
| 40 mph (64.37 km/h) | 36.43 mph (58.62 km/h) |
| 45 mph (72.42 km/h) | 40.98 mph (65.95 km/h) |
| 50 mph (80.47 km/h) | 45.53 mph (73.28 km/h) |
| 55 mph (88.51 km/h) | 50.09 mph (80.61 km/h) |
| 60 mph (96.56 km/h) | 54.64 mph (87.93 km/h) |
| 65 mph (104.61 km/h) | 59.19 mph (95.26 km/h) |
| 70 mph (112.65 km/h) | 63.75 mph (102.59 km/h) |
| 75 mph (120.7 km/h) | 68.3 mph (109.92 km/h) |
| 80 mph (128.75 km/h) | 72.85 mph (117.25 km/h) |
| 85 mph (136.79 km/h) | 77.41 mph (124.57 km/h) |
| 90 mph (144.84 km/h) | 81.96 mph (131.9 km/h) |
| 95 mph (152.89 km/h) | 86.51 mph (139.23 km/h) |
| 100 mph (160.93 km/h) | 91.07 mph (146.56 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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