These are simplified planning spans. Confirm with official span tables and your inspector.
| Spacing | 2x6 | 2x8 | 2x10 | 2x12 |
|---|---|---|---|---|
| 12″ | 10.5 | 13.5 | 16.5 | 19.5 |
| 16″ | 9.5 | 12.0 | 15.0 | 18.0 |
| 24″ | 8.0 | 10.0 | 12.5 | 15.0 |
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Planning tool only. Results and charts on this site are simplified planning aids based on common assumptions. They are not a substitute for stamped engineering, permits, or inspections. Always confirm with local building officials and product manufacturers.
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