Wood Shrinkage Calculator: Douglas Fir, 11.25 in width, 8% MC drop
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Douglas Fir, 11.25 in width, 8% MC drop converts to
0.228 in shrinkage
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Value Details
Input: Douglas Fir, 11.25 in width, 8% MC drop
Output: 0.228 in shrinkage
Browse all reference values for Wood Shrinkage Calculator
species: Douglas Fir | widthIn: 11.25 | moistureDropPercent: 8 | finalWidthIn: 11.022 | shrinkagePercentOfWidth: 2.03
Wood Shrinkage Calculator
Estimate board movement across width from species movement data and moisture-content change.
Estimated Width Shrinkage
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Nearby Reference Values
| Scenario | Estimated Shrinkage | Estimated Final Width (in) | Width Loss (%) |
|---|---|---|---|
| Douglas Fir, 9.25 in width, 12% MC drop | 0.2812 in shrinkage | 8.9688 | 3.04% |
| Douglas Fir, 9.25 in width, 14% MC drop | 0.3281 in shrinkage | 8.9219 | 3.55% |
| Douglas Fir, 9.25 in width, 16% MC drop | 0.3749 in shrinkage | 8.8751 | 4.05% |
| Douglas Fir, 11.25 in width, 4% MC drop | 0.114 in shrinkage | 11.136 | 1.01% |
| Douglas Fir, 11.25 in width, 6% MC drop | 0.171 in shrinkage | 11.079 | 1.52% |
| Douglas Fir, 11.25 in width, 8% MC drop | 0.228 in shrinkage | 11.022 | 2.03% |
| Douglas Fir, 11.25 in width, 10% MC drop | 0.285 in shrinkage | 10.965 | 2.53% |
| Douglas Fir, 11.25 in width, 12% MC drop | 0.342 in shrinkage | 10.908 | 3.04% |
| Douglas Fir, 11.25 in width, 14% MC drop | 0.399 in shrinkage | 10.851 | 3.55% |
| Douglas Fir, 11.25 in width, 16% MC drop | 0.456 in shrinkage | 10.794 | 4.05% |
| Southern Pine, 3.5 in width, 4% MC drop | 0.0345 in shrinkage | 3.4655 | 0.99% |
Frequently Asked Questions
Common questions about Wood Shrinkage Calculator, formulas, and expected usage.
How is wood shrinkage estimated here?
This tool uses a linear estimate based on tangential shrinkage from fiber saturation to oven dry and scales it by moisture-content change.
Why does species matter in shrinkage?
Different species have different dimensional movement coefficients, so the same moisture change can produce different width changes.
Is this a final engineering value?
Use this as a planning estimate; actual movement varies with grain orientation, cut, local climate, and board-specific variability.
What moisture range should I model?
For interior projects, many builders check seasonal swings such as roughly 6% to 12% moisture content to anticipate fit changes.
Methodology and Review
This page is generated from the same conversion definition used by the main calculator page, which keeps the calculator, reference table rows, and FAQ schema aligned.
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Use this page as a fast lookup reference, then confirm final project values using applicable standards and manufacturer documentation.