Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/30-22 | 285/30-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.2 (741.8) | 28.73 (729.8) | -0.47 (-12) -1.6% |
| Width inches (mm) | 12.01 (305) | 11.22 (285) | -0.79 (-20) -6.6% |
| Circum. inches (mm) | 91.75 (2330.43) | 90.27 (2292.73) | -1.48 (-37.7) -1.6% |
| Sidewall Height inches (mm) | 3.6 (91.5) | 3.37 (85.5) | -0.24 (-6) -6.6% |
| Revolutions per mile (km) | 690.58 (429.1) | 701.93 (436.16) | 11.36 (7.06) 1.6% |
285/30-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.68 mph (31.67 km/h) |
| 25 mph (40.23 km/h) | 24.6 mph (39.58 km/h) |
| 30 mph (48.28 km/h) | 29.51 mph (47.5 km/h) |
| 35 mph (56.33 km/h) | 34.43 mph (55.42 km/h) |
| 40 mph (64.37 km/h) | 39.35 mph (63.33 km/h) |
| 45 mph (72.42 km/h) | 44.27 mph (71.25 km/h) |
| 50 mph (80.47 km/h) | 49.19 mph (79.17 km/h) |
| 55 mph (88.51 km/h) | 54.11 mph (87.08 km/h) |
| 60 mph (96.56 km/h) | 59.03 mph (95 km/h) |
| 65 mph (104.61 km/h) | 63.95 mph (102.92 km/h) |
| 70 mph (112.65 km/h) | 68.87 mph (110.83 km/h) |
| 75 mph (120.7 km/h) | 73.79 mph (118.75 km/h) |
| 80 mph (128.75 km/h) | 78.71 mph (126.67 km/h) |
| 85 mph (136.79 km/h) | 83.62 mph (134.58 km/h) |
| 90 mph (144.84 km/h) | 88.54 mph (142.5 km/h) |
| 95 mph (152.89 km/h) | 93.46 mph (150.41 km/h) |
| 100 mph (160.93 km/h) | 98.38 mph (158.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1786 | 2075 | 2235 | 2334 | 2440 | 2516 | 2600 | 2698 | 2835 | 2972 | 3124 | 3246 | 3466 | 3709 | 3899 | 4021 | 4089 | 4340 | 4690 | 5450 |
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