Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/30-22 | 305/55-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.2 (741.8) | 35.21 (894.3) | 6 (152.5) 20.6% |
| Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
| Circum. inches (mm) | 91.75 (2330.43) | 110.61 (2809.53) | 18.86 (479.09) 20.6% |
| Sidewall Height inches (mm) | 3.6 (91.5) | 6.6 (167.75) | 3 (76.25) 83.3% |
| Revolutions per mile (km) | 690.58 (429.1) | 572.82 (355.93) | -117.76 (-73.17) -17.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.11 mph (38.8 km/h) |
| 25 mph (40.23 km/h) | 30.14 mph (48.5 km/h) |
| 30 mph (48.28 km/h) | 36.17 mph (58.21 km/h) |
| 35 mph (56.33 km/h) | 42.2 mph (67.91 km/h) |
| 40 mph (64.37 km/h) | 48.22 mph (77.61 km/h) |
| 45 mph (72.42 km/h) | 54.25 mph (87.31 km/h) |
| 50 mph (80.47 km/h) | 60.28 mph (97.01 km/h) |
| 55 mph (88.51 km/h) | 66.31 mph (106.71 km/h) |
| 60 mph (96.56 km/h) | 72.33 mph (116.41 km/h) |
| 65 mph (104.61 km/h) | 78.36 mph (126.11 km/h) |
| 70 mph (112.65 km/h) | 84.39 mph (135.81 km/h) |
| 75 mph (120.7 km/h) | 90.42 mph (145.51 km/h) |
| 80 mph (128.75 km/h) | 96.45 mph (155.22 km/h) |
| 85 mph (136.79 km/h) | 102.47 mph (164.92 km/h) |
| 90 mph (144.84 km/h) | 108.5 mph (174.62 km/h) |
| 95 mph (152.89 km/h) | 114.53 mph (184.32 km/h) |
| 100 mph (160.93 km/h) | 120.56 mph (194.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1458 | 1693 | 1824 | 1904 | 1991 | 2053 | 2121 | 2202 | 2314 | 2425 | 2549 | 2649 | 2829 | 3027 | 3182 | 3281 | 3337 | 3542 | 3827 | 4448 |
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