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Wood Moisture Content Calculator

Calculate dry-basis wood moisture content from current and oven-dry sample weights.

Prefilled values are examples. Replace them with measurements and current costs for your project.

Inputs

Wood sample weights

Range: at least 0

Enter the sample weight at the moisture condition being measured. Use the same weight unit for both fields.

Range: at least 0 same unit

Enter the sample weight after it has been dried to constant mass. This value must be greater than zero.

Result

Wood moisture content (dry basis)
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Water mass difference (same weight unit)
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Formula

Wood moisture content (dry basis)
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Results are planning aids based on the inputs and assumptions shown. Verify dimensions, stock sizes, hardware clearances, kerf, and current prices against your project before cutting or quoting.