Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 355/25-21 | 355/50-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.99 (710.9) | 35.98 (913.8) | 7.99 (202.9) 28.5% |
| Width inches (mm) | 13.98 (355) | 13.98 (355) | 0 (0) 0% |
| Circum. inches (mm) | 87.93 (2233.36) | 113.02 (2870.79) | 25.1 (637.43) 28.5% |
| Sidewall Height inches (mm) | 3.49 (88.75) | 6.99 (177.5) | 3.49 (88.75) 100% |
| Revolutions per mile (km) | 720.59 (447.76) | 560.59 (348.34) | -160 (-99.42) -22.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.71 mph (41.37 km/h) |
| 25 mph (40.23 km/h) | 32.14 mph (51.72 km/h) |
| 30 mph (48.28 km/h) | 38.56 mph (62.06 km/h) |
| 35 mph (56.33 km/h) | 44.99 mph (72.4 km/h) |
| 40 mph (64.37 km/h) | 51.42 mph (82.75 km/h) |
| 45 mph (72.42 km/h) | 57.84 mph (93.09 km/h) |
| 50 mph (80.47 km/h) | 64.27 mph (103.43 km/h) |
| 55 mph (88.51 km/h) | 70.7 mph (113.78 km/h) |
| 60 mph (96.56 km/h) | 77.12 mph (124.12 km/h) |
| 65 mph (104.61 km/h) | 83.55 mph (134.46 km/h) |
| 70 mph (112.65 km/h) | 89.98 mph (144.81 km/h) |
| 75 mph (120.7 km/h) | 96.41 mph (155.15 km/h) |
| 80 mph (128.75 km/h) | 102.83 mph (165.49 km/h) |
| 85 mph (136.79 km/h) | 109.26 mph (175.84 km/h) |
| 90 mph (144.84 km/h) | 115.69 mph (186.18 km/h) |
| 95 mph (152.89 km/h) | 122.11 mph (196.52 km/h) |
| 100 mph (160.93 km/h) | 128.54 mph (206.87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1427 | 1657 | 1785 | 1864 | 1949 | 2009 | 2076 | 2155 | 2264 | 2374 | 2495 | 2592 | 2768 | 2962 | 3114 | 3211 | 3266 | 3466 | 3746 | 4353 |
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