Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/65-16 | 33/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.68 (880.9) | 33.02 (838.72) | -1.66 (-42.18) -4.8% |
| Width inches (mm) | 14.37 (365) | 12.52 (318) | -1.85 (-47) -12.9% |
| Circum. inches (mm) | 108.95 (2767.43) | 103.74 (2634.92) | -5.22 (-132.51) -4.8% |
| Sidewall Height inches (mm) | 9.34 (237.25) | 6.51 (165.36) | -2.83 (-71.89) -30.3% |
| Revolutions per mile (km) | 581.53 (361.35) | 610.78 (379.52) | 29.25 (18.17) 5% |
33/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.04 mph (30.65 km/h) |
| 25 mph (40.23 km/h) | 23.8 mph (38.31 km/h) |
| 30 mph (48.28 km/h) | 28.56 mph (45.97 km/h) |
| 35 mph (56.33 km/h) | 33.32 mph (53.63 km/h) |
| 40 mph (64.37 km/h) | 38.08 mph (61.29 km/h) |
| 45 mph (72.42 km/h) | 42.85 mph (68.95 km/h) |
| 50 mph (80.47 km/h) | 47.61 mph (76.61 km/h) |
| 55 mph (88.51 km/h) | 52.37 mph (84.28 km/h) |
| 60 mph (96.56 km/h) | 57.13 mph (91.94 km/h) |
| 65 mph (104.61 km/h) | 61.89 mph (99.6 km/h) |
| 70 mph (112.65 km/h) | 66.65 mph (107.26 km/h) |
| 75 mph (120.7 km/h) | 71.41 mph (114.92 km/h) |
| 80 mph (128.75 km/h) | 76.17 mph (122.58 km/h) |
| 85 mph (136.79 km/h) | 80.93 mph (130.24 km/h) |
| 90 mph (144.84 km/h) | 85.69 mph (137.91 km/h) |
| 95 mph (152.89 km/h) | 90.45 mph (145.57 km/h) |
| 100 mph (160.93 km/h) | 95.21 mph (153.23 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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