Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-23 | 285/45-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.2) | 32.1 (815.3) | -0.51 (-12.9) -1.6% |
| Width inches (mm) | 12.01 (305) | 11.22 (285) | -0.79 (-20) -6.6% |
| Circum. inches (mm) | 102.44 (2601.87) | 100.84 (2561.34) | -1.6 (-40.53) -1.6% |
| Sidewall Height inches (mm) | 4.8 (122) | 5.05 (128.25) | 0.25 (6.25) 5.1% |
| Revolutions per mile (km) | 618.53 (384.34) | 628.32 (390.42) | 9.79 (6.08) 1.6% |
285/45-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.69 mph (31.69 km/h) |
| 25 mph (40.23 km/h) | 24.61 mph (39.61 km/h) |
| 30 mph (48.28 km/h) | 29.53 mph (47.53 km/h) |
| 35 mph (56.33 km/h) | 34.45 mph (55.45 km/h) |
| 40 mph (64.37 km/h) | 39.38 mph (63.37 km/h) |
| 45 mph (72.42 km/h) | 44.3 mph (71.29 km/h) |
| 50 mph (80.47 km/h) | 49.22 mph (79.21 km/h) |
| 55 mph (88.51 km/h) | 54.14 mph (87.14 km/h) |
| 60 mph (96.56 km/h) | 59.07 mph (95.06 km/h) |
| 65 mph (104.61 km/h) | 63.99 mph (102.98 km/h) |
| 70 mph (112.65 km/h) | 68.91 mph (110.9 km/h) |
| 75 mph (120.7 km/h) | 73.83 mph (118.82 km/h) |
| 80 mph (128.75 km/h) | 78.75 mph (126.74 km/h) |
| 85 mph (136.79 km/h) | 83.68 mph (134.66 km/h) |
| 90 mph (144.84 km/h) | 88.6 mph (142.59 km/h) |
| 95 mph (152.89 km/h) | 93.52 mph (150.51 km/h) |
| 100 mph (160.93 km/h) | 98.44 mph (158.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1599 | 1858 | 2000 | 2089 | 2184 | 2252 | 2327 | 2415 | 2538 | 2660 | 2796 | 2905 | 3103 | 3320 | 3490 | 3599 | 3661 | 3885 | 4198 | 4879 |
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