Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/75-16 | 37/13.5-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.83 (833.9) | 36.91 (937.4) | 4.07 (103.5) 12.4% |
| Width inches (mm) | 11.22 (285) | 13.5 (343) | 2.28 (58) 20.4% |
| Circum. inches (mm) | 103.14 (2619.77) | 115.94 (2944.93) | 12.8 (325.15) 12.4% |
| Sidewall Height inches (mm) | 8.42 (213.75) | 9.45 (240.1) | 1.04 (26.35) 12.3% |
| Revolutions per mile (km) | 614.31 (381.71) | 546.48 (339.57) | -67.83 (-42.15) -11% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.48 mph (36.18 km/h) |
| 25 mph (40.23 km/h) | 28.1 mph (45.23 km/h) |
| 30 mph (48.28 km/h) | 33.72 mph (54.27 km/h) |
| 35 mph (56.33 km/h) | 39.34 mph (63.32 km/h) |
| 40 mph (64.37 km/h) | 44.96 mph (72.36 km/h) |
| 45 mph (72.42 km/h) | 50.59 mph (81.41 km/h) |
| 50 mph (80.47 km/h) | 56.21 mph (90.45 km/h) |
| 55 mph (88.51 km/h) | 61.83 mph (99.5 km/h) |
| 60 mph (96.56 km/h) | 67.45 mph (108.55 km/h) |
| 65 mph (104.61 km/h) | 73.07 mph (117.59 km/h) |
| 70 mph (112.65 km/h) | 78.69 mph (126.64 km/h) |
| 75 mph (120.7 km/h) | 84.31 mph (135.68 km/h) |
| 80 mph (128.75 km/h) | 89.93 mph (144.73 km/h) |
| 85 mph (136.79 km/h) | 95.55 mph (153.77 km/h) |
| 90 mph (144.84 km/h) | 101.17 mph (162.82 km/h) |
| 95 mph (152.89 km/h) | 106.79 mph (171.86 km/h) |
| 100 mph (160.93 km/h) | 112.41 mph (180.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1391 | 1616 | 1740 | 1817 | 1900 | 1959 | 2024 | 2101 | 2207 | 2314 | 2432 | 2527 | 2699 | 2888 | 3036 | 3131 | 3184 | 3379 | 3651 | 4243 |
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