Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/25-20 | 33/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.81 (655.5) | 33.02 (838.72) | 7.21 (183.22) 28% |
| Width inches (mm) | 11.61 (295) | 12.52 (318) | 0.91 (23) 7.8% |
| Circum. inches (mm) | 81.08 (2059.31) | 103.74 (2634.92) | 22.66 (575.6) 28% |
| Sidewall Height inches (mm) | 2.9 (73.75) | 6.51 (165.36) | 3.61 (91.61) 124.2% |
| Revolutions per mile (km) | 781.5 (485.6) | 610.78 (379.52) | -170.72 (-106.08) -21.8% |
33/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.59 mph (41.18 km/h) |
| 25 mph (40.23 km/h) | 31.99 mph (51.48 km/h) |
| 30 mph (48.28 km/h) | 38.39 mph (61.78 km/h) |
| 35 mph (56.33 km/h) | 44.78 mph (72.07 km/h) |
| 40 mph (64.37 km/h) | 51.18 mph (82.37 km/h) |
| 45 mph (72.42 km/h) | 57.58 mph (92.66 km/h) |
| 50 mph (80.47 km/h) | 63.98 mph (102.96 km/h) |
| 55 mph (88.51 km/h) | 70.37 mph (113.25 km/h) |
| 60 mph (96.56 km/h) | 76.77 mph (123.55 km/h) |
| 65 mph (104.61 km/h) | 83.17 mph (133.85 km/h) |
| 70 mph (112.65 km/h) | 89.57 mph (144.14 km/h) |
| 75 mph (120.7 km/h) | 95.96 mph (154.44 km/h) |
| 80 mph (128.75 km/h) | 102.36 mph (164.73 km/h) |
| 85 mph (136.79 km/h) | 108.76 mph (175.03 km/h) |
| 90 mph (144.84 km/h) | 115.16 mph (185.33 km/h) |
| 95 mph (152.89 km/h) | 121.55 mph (195.62 km/h) |
| 100 mph (160.93 km/h) | 127.95 mph (205.92 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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