Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/40-17 | 33/12.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.35 (643.8) | 33.03 (838.92) | 7.68 (195.12) 30.3% |
| Width inches (mm) | 10.43 (265) | 12.52 (318) | 2.09 (53) 20% |
| Circum. inches (mm) | 79.63 (2022.56) | 103.76 (2635.54) | 24.13 (612.99) 30.3% |
| Sidewall Height inches (mm) | 4.17 (106) | 9.01 (228.96) | 4.84 (122.96) 116% |
| Revolutions per mile (km) | 795.7 (494.42) | 610.63 (379.43) | -185.07 (-115) -23.3% |
33/12.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.06 mph (41.94 km/h) |
| 25 mph (40.23 km/h) | 32.58 mph (52.43 km/h) |
| 30 mph (48.28 km/h) | 39.09 mph (62.91 km/h) |
| 35 mph (56.33 km/h) | 45.61 mph (73.4 km/h) |
| 40 mph (64.37 km/h) | 52.12 mph (83.88 km/h) |
| 45 mph (72.42 km/h) | 58.64 mph (94.37 km/h) |
| 50 mph (80.47 km/h) | 65.15 mph (104.86 km/h) |
| 55 mph (88.51 km/h) | 71.67 mph (115.34 km/h) |
| 60 mph (96.56 km/h) | 78.18 mph (125.83 km/h) |
| 65 mph (104.61 km/h) | 84.7 mph (136.31 km/h) |
| 70 mph (112.65 km/h) | 91.22 mph (146.8 km/h) |
| 75 mph (120.7 km/h) | 97.73 mph (157.28 km/h) |
| 80 mph (128.75 km/h) | 104.25 mph (167.77 km/h) |
| 85 mph (136.79 km/h) | 110.76 mph (178.25 km/h) |
| 90 mph (144.84 km/h) | 117.28 mph (188.74 km/h) |
| 95 mph (152.89 km/h) | 123.79 mph (199.22 km/h) |
| 100 mph (160.93 km/h) | 130.31 mph (209.71 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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