Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/60-20 | 33/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.52 (826) | 33.02 (838.72) | 0.5 (12.72) 1.5% |
| Width inches (mm) | 10.43 (265) | 12.52 (318) | 2.09 (53) 20% |
| Circum. inches (mm) | 102.16 (2594.96) | 103.74 (2634.92) | 1.57 (39.96) 1.5% |
| Sidewall Height inches (mm) | 6.26 (159) | 6.51 (165.36) | 0.25 (6.36) 4% |
| Revolutions per mile (km) | 620.18 (385.36) | 610.78 (379.52) | -9.41 (-5.84) -1.5% |
33/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.31 mph (32.68 km/h) |
| 25 mph (40.23 km/h) | 25.38 mph (40.85 km/h) |
| 30 mph (48.28 km/h) | 30.46 mph (49.02 km/h) |
| 35 mph (56.33 km/h) | 35.54 mph (57.19 km/h) |
| 40 mph (64.37 km/h) | 40.62 mph (65.37 km/h) |
| 45 mph (72.42 km/h) | 45.69 mph (73.54 km/h) |
| 50 mph (80.47 km/h) | 50.77 mph (81.71 km/h) |
| 55 mph (88.51 km/h) | 55.85 mph (89.88 km/h) |
| 60 mph (96.56 km/h) | 60.92 mph (98.05 km/h) |
| 65 mph (104.61 km/h) | 66 mph (106.22 km/h) |
| 70 mph (112.65 km/h) | 71.08 mph (114.39 km/h) |
| 75 mph (120.7 km/h) | 76.15 mph (122.56 km/h) |
| 80 mph (128.75 km/h) | 81.23 mph (130.73 km/h) |
| 85 mph (136.79 km/h) | 86.31 mph (138.9 km/h) |
| 90 mph (144.84 km/h) | 91.39 mph (147.07 km/h) |
| 95 mph (152.89 km/h) | 96.46 mph (155.24 km/h) |
| 100 mph (160.93 km/h) | 101.54 mph (163.41 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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