Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/30-22 | 255/30-30 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.02 (711.8) | 36.02 (915) | 8 (203.2) 28.5% |
| Width inches (mm) | 10.04 (255) | 10.04 (255) | 0 (0) 0% |
| Circum. inches (mm) | 88.04 (2236.19) | 113.17 (2874.56) | 25.13 (638.37) 28.5% |
| Sidewall Height inches (mm) | 3.01 (76.5) | 3.01 (76.5) | 0 (0) 0% |
| Revolutions per mile (km) | 719.68 (447.19) | 559.86 (347.88) | -159.82 (-99.31) -22.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.71 mph (41.38 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 (72.41 km/h) |
| 40 mph (64.37 km/h) | 51.42 mph (82.75 km/h) |
| 45 mph (72.42 km/h) | 57.85 mph (93.09 km/h) |
| 50 mph (80.47 km/h) | 64.27 mph (103.44 km/h) |
| 55 mph (88.51 km/h) | 70.7 mph (113.78 km/h) |
| 60 mph (96.56 km/h) | 77.13 mph (124.13 km/h) |
| 65 mph (104.61 km/h) | 83.56 mph (134.47 km/h) |
| 70 mph (112.65 km/h) | 89.98 mph (144.81 km/h) |
| 75 mph (120.7 km/h) | 96.41 mph (155.16 km/h) |
| 80 mph (128.75 km/h) | 102.84 mph (165.5 km/h) |
| 85 mph (136.79 km/h) | 109.27 mph (175.85 km/h) |
| 90 mph (144.84 km/h) | 115.69 mph (186.19 km/h) |
| 95 mph (152.89 km/h) | 122.12 mph (196.53 km/h) |
| 100 mph (160.93 km/h) | 128.55 mph (206.88 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1425 | 1655 | 1782 | 1861 | 1946 | 2007 | 2073 | 2152 | 2261 | 2371 | 2492 | 2589 | 2765 | 2959 | 3110 | 3207 | 3262 | 3462 | 3741 | 4347 |
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