Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 395/85-20 | 285/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 46.44 (1179.5) | 32.83 (833.9) | -13.61 (-345.6) -29.3% |
| Width inches (mm) | 15.55 (395) | 11.22 (285) | -4.33 (-110) -27.8% |
| Circum. inches (mm) | 145.89 (3705.51) | 103.14 (2619.77) | -42.75 (-1085.73) -29.3% |
| Sidewall Height inches (mm) | 13.22 (335.75) | 8.42 (213.75) | -4.8 (-122) -36.3% |
| Revolutions per mile (km) | 434.31 (269.87) | 614.31 (381.71) | 180 (111.84) 41.4% |
285/75-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 14.14 mph (22.76 km/h) |
| 25 mph (40.23 km/h) | 17.67 mph (28.44 km/h) |
| 30 mph (48.28 km/h) | 21.21 mph (34.13 km/h) |
| 35 mph (56.33 km/h) | 24.74 mph (39.82 km/h) |
| 40 mph (64.37 km/h) | 28.28 mph (45.51 km/h) |
| 45 mph (72.42 km/h) | 31.81 mph (51.2 km/h) |
| 50 mph (80.47 km/h) | 35.35 mph (56.89 km/h) |
| 55 mph (88.51 km/h) | 38.88 mph (62.58 km/h) |
| 60 mph (96.56 km/h) | 42.42 mph (68.27 km/h) |
| 65 mph (104.61 km/h) | 45.95 mph (73.96 km/h) |
| 70 mph (112.65 km/h) | 49.49 mph (79.65 km/h) |
| 75 mph (120.7 km/h) | 53.02 mph (85.33 km/h) |
| 80 mph (128.75 km/h) | 56.56 mph (91.02 km/h) |
| 85 mph (136.79 km/h) | 60.09 mph (96.71 km/h) |
| 90 mph (144.84 km/h) | 63.63 mph (102.4 km/h) |
| 95 mph (152.89 km/h) | 67.16 mph (108.09 km/h) |
| 100 mph (160.93 km/h) | 70.7 mph (113.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1563 | 1816 | 1956 | 2042 | 2135 | 2202 | 2275 | 2362 | 2481 | 2601 | 2734 | 2841 | 3033 | 3246 | 3413 | 3519 | 3579 | 3798 | 4104 | 4770 |
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