Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/75-15 | 33/12.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.06 (763.5) | 33.03 (838.92) | 2.97 (75.42) 9.9% |
| Width inches (mm) | 10.04 (255) | 12.52 (318) | 2.48 (63) 24.7% |
| Circum. inches (mm) | 94.43 (2398.61) | 103.76 (2635.54) | 9.33 (236.94) 9.9% |
| Sidewall Height inches (mm) | 7.53 (191.25) | 9.01 (228.96) | 1.48 (37.71) 19.7% |
| Revolutions per mile (km) | 670.95 (416.91) | 610.63 (379.43) | -60.32 (-37.48) -9% |
33/12.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.98 mph (35.37 km/h) |
| 25 mph (40.23 km/h) | 27.47 mph (44.21 km/h) |
| 30 mph (48.28 km/h) | 32.96 mph (53.05 km/h) |
| 35 mph (56.33 km/h) | 38.46 mph (61.89 km/h) |
| 40 mph (64.37 km/h) | 43.95 mph (70.73 km/h) |
| 45 mph (72.42 km/h) | 49.45 mph (79.57 km/h) |
| 50 mph (80.47 km/h) | 54.94 mph (88.42 km/h) |
| 55 mph (88.51 km/h) | 60.43 mph (97.26 km/h) |
| 60 mph (96.56 km/h) | 65.93 mph (106.1 km/h) |
| 65 mph (104.61 km/h) | 71.42 mph (114.94 km/h) |
| 70 mph (112.65 km/h) | 76.91 mph (123.78 km/h) |
| 75 mph (120.7 km/h) | 82.41 mph (132.62 km/h) |
| 80 mph (128.75 km/h) | 87.9 mph (141.47 km/h) |
| 85 mph (136.79 km/h) | 93.4 mph (150.31 km/h) |
| 90 mph (144.84 km/h) | 98.89 mph (159.15 km/h) |
| 95 mph (152.89 km/h) | 104.38 mph (167.99 km/h) |
| 100 mph (160.93 km/h) | 109.88 mph (176.83 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 | 1805 | 1944 | 2030 | 2123 | 2189 | 2261 | 2347 | 2466 | 2585 | 2718 | 2824 | 3015 | 3227 | 3392 | 3498 | 3558 | 3776 | 4080 | 4741 |
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