Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 37/12.5-18 | 35/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.03 (940.56) | 35.02 (889.6) | -2.01 (-50.96) -5.4% |
| Width inches (mm) | 12.52 (318) | 12.52 (318) | 0 (0) 0% |
| Circum. inches (mm) | 116.33 (2954.86) | 110.03 (2794.76) | -6.3 (-160.1) -5.4% |
| Sidewall Height inches (mm) | 9.51 (241.68) | 7.51 (190.8) | -2 (-50.88) -21.1% |
| Revolutions per mile (km) | 544.64 (338.43) | 575.84 (357.81) | 31.2 (19.39) 5.7% |
35/12.5-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.92 mph (30.44 km/h) |
| 25 mph (40.23 km/h) | 23.65 mph (38.05 km/h) |
| 30 mph (48.28 km/h) | 28.37 mph (45.66 km/h) |
| 35 mph (56.33 km/h) | 33.1 mph (53.28 km/h) |
| 40 mph (64.37 km/h) | 37.83 mph (60.89 km/h) |
| 45 mph (72.42 km/h) | 42.56 mph (68.5 km/h) |
| 50 mph (80.47 km/h) | 47.29 mph (76.11 km/h) |
| 55 mph (88.51 km/h) | 52.02 mph (83.72 km/h) |
| 60 mph (96.56 km/h) | 56.75 mph (91.33 km/h) |
| 65 mph (104.61 km/h) | 61.48 mph (98.94 km/h) |
| 70 mph (112.65 km/h) | 66.21 mph (106.55 km/h) |
| 75 mph (120.7 km/h) | 70.94 mph (114.16 km/h) |
| 80 mph (128.75 km/h) | 75.67 mph (121.77 km/h) |
| 85 mph (136.79 km/h) | 80.39 mph (129.38 km/h) |
| 90 mph (144.84 km/h) | 85.12 mph (136.99 km/h) |
| 95 mph (152.89 km/h) | 89.85 mph (144.6 km/h) |
| 100 mph (160.93 km/h) | 94.58 mph (152.22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1465 | 1702 | 1833 | 1914 | 2002 | 2064 | 2133 | 2214 | 2326 | 2438 | 2563 | 2663 | 2844 | 3043 | 3199 | 3299 | 3355 | 3561 | 3847 | 4471 |
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