Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-15 | 33/12.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.47 (748.5) | 33.03 (838.92) | 3.56 (90.42) 12.1% |
| Width inches (mm) | 9.65 (245) | 12.52 (318) | 2.87 (73) 29.8% |
| Circum. inches (mm) | 92.58 (2351.48) | 103.76 (2635.54) | 11.18 (284.06) 12.1% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 9.01 (228.96) | 1.78 (45.21) 24.6% |
| Revolutions per mile (km) | 684.4 (425.26) | 610.63 (379.43) | -73.77 (-45.84) -10.8% |
33/12.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.42 mph (36.08 km/h) |
| 25 mph (40.23 km/h) | 28.02 mph (45.09 km/h) |
| 30 mph (48.28 km/h) | 33.62 mph (54.11 km/h) |
| 35 mph (56.33 km/h) | 39.23 mph (63.13 km/h) |
| 40 mph (64.37 km/h) | 44.83 mph (72.15 km/h) |
| 45 mph (72.42 km/h) | 50.44 mph (81.17 km/h) |
| 50 mph (80.47 km/h) | 56.04 mph (90.19 km/h) |
| 55 mph (88.51 km/h) | 61.64 mph (99.21 km/h) |
| 60 mph (96.56 km/h) | 67.25 mph (108.23 km/h) |
| 65 mph (104.61 km/h) | 72.85 mph (117.24 km/h) |
| 70 mph (112.65 km/h) | 78.46 mph (126.26 km/h) |
| 75 mph (120.7 km/h) | 84.06 mph (135.28 km/h) |
| 80 mph (128.75 km/h) | 89.66 mph (144.3 km/h) |
| 85 mph (136.79 km/h) | 95.27 mph (153.32 km/h) |
| 90 mph (144.84 km/h) | 100.87 mph (162.34 km/h) |
| 95 mph (152.89 km/h) | 106.48 mph (171.36 km/h) |
| 100 mph (160.93 km/h) | 112.08 mph (180.38 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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