Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 445/55-19.5 | 385/55-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 38.77 (984.8) | 39.17 (995) | 0.4 (10.2) 1% |
| Width inches (mm) | 17.52 (445) | 15.16 (385) | -2.36 (-60) -13.5% |
| Circum. inches (mm) | 121.8 (3093.84) | 123.07 (3125.88) | 1.26 (32.04) 1% |
| Sidewall Height inches (mm) | 9.64 (244.75) | 8.34 (211.75) | -1.3 (-33) -13.5% |
| Revolutions per mile (km) | 520.18 (323.22) | 514.84 (319.91) | -5.33 (-3.31) -1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.21 mph (32.52 km/h) |
| 25 mph (40.23 km/h) | 25.26 mph (40.65 km/h) |
| 30 mph (48.28 km/h) | 30.31 mph (48.78 km/h) |
| 35 mph (56.33 km/h) | 35.36 mph (56.91 km/h) |
| 40 mph (64.37 km/h) | 40.41 mph (65.04 km/h) |
| 45 mph (72.42 km/h) | 45.47 mph (73.17 km/h) |
| 50 mph (80.47 km/h) | 50.52 mph (81.3 km/h) |
| 55 mph (88.51 km/h) | 55.57 mph (89.43 km/h) |
| 60 mph (96.56 km/h) | 60.62 mph (97.56 km/h) |
| 65 mph (104.61 km/h) | 65.67 mph (105.69 km/h) |
| 70 mph (112.65 km/h) | 70.73 mph (113.82 km/h) |
| 75 mph (120.7 km/h) | 75.78 mph (121.95 km/h) |
| 80 mph (128.75 km/h) | 80.83 mph (130.08 km/h) |
| 85 mph (136.79 km/h) | 85.88 mph (138.21 km/h) |
| 90 mph (144.84 km/h) | 90.93 mph (146.34 km/h) |
| 95 mph (152.89 km/h) | 95.98 mph (154.47 km/h) |
| 100 mph (160.93 km/h) | 101.04 mph (162.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1310 | 1522 | 1639 | 1712 | 1790 | 1845 | 1907 | 1979 | 2080 | 2180 | 2291 | 2381 | 2542 | 2721 | 2860 | 2949 | 2999 | 3183 | 3440 | 3997 |
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