Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 32/10.5-15 | 33/12.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.03 (813.54) | 33.03 (838.92) | 1 (25.38) 3.1% |
| Width inches (mm) | 10.51 (267) | 12.52 (318) | 2.01 (51) 19.1% |
| Circum. inches (mm) | 100.62 (2555.81) | 103.76 (2635.54) | 3.14 (79.73) 3.1% |
| Sidewall Height inches (mm) | 8.51 (216.27) | 9.01 (228.96) | 0.5 (12.69) 5.9% |
| Revolutions per mile (km) | 629.68 (391.26) | 610.63 (379.43) | -19.05 (-11.84) -3% |
33/12.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.62 mph (33.19 km/h) |
| 25 mph (40.23 km/h) | 25.78 mph (41.49 km/h) |
| 30 mph (48.28 km/h) | 30.94 mph (49.79 km/h) |
| 35 mph (56.33 km/h) | 36.09 mph (58.08 km/h) |
| 40 mph (64.37 km/h) | 41.25 mph (66.38 km/h) |
| 45 mph (72.42 km/h) | 46.4 mph (74.68 km/h) |
| 50 mph (80.47 km/h) | 51.56 mph (82.98 km/h) |
| 55 mph (88.51 km/h) | 56.72 mph (91.28 km/h) |
| 60 mph (96.56 km/h) | 61.87 mph (99.57 km/h) |
| 65 mph (104.61 km/h) | 67.03 mph (107.87 km/h) |
| 70 mph (112.65 km/h) | 72.18 mph (116.17 km/h) |
| 75 mph (120.7 km/h) | 77.34 mph (124.47 km/h) |
| 80 mph (128.75 km/h) | 82.5 mph (132.76 km/h) |
| 85 mph (136.79 km/h) | 87.65 mph (141.06 km/h) |
| 90 mph (144.84 km/h) | 92.81 mph (149.36 km/h) |
| 95 mph (152.89 km/h) | 97.96 mph (157.66 km/h) |
| 100 mph (160.93 km/h) | 103.12 mph (165.96 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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