Board Foot Conversions
Convert board feet to cubic inches, cubic feet, cubic metres and MBF.
Calculations run locally in your browser. Inputs are not transmitted or attached to analytics.
A hub for volume conversions
Board feet, cubic inches, cubic feet and cubic metres all describe volume. MBF is a scaled board-foot quantity. The conversion workbench passes through board feet as a common internal basis, retains full numeric precision, and rounds only the displayed result. Changing units does not change the physical amount of material.
Area is different. Square feet cannot be converted to board feet until thickness is supplied, so that task has a dedicated calculator. Linear feet also omit cross-section dimensions and cannot be converted from board feet without additional measurements.
Exact relationships used here
One board foot is 144 cubic inches and one twelfth of a cubic foot. One cubic foot is therefore 12 board feet. Using the exact international inch, one board foot is 0.002359737216 cubic metres. This site defines one MBF as 1,000 board feet and states that convention every time the abbreviation is used.
Choosing the right destination unit
Use cubic inches for compact dimensional checks, cubic feet for US bulk volume comparisons, cubic metres for metric specifications, and MBF for large board-foot quantities when the counterparty shares the same abbreviation convention. Preserve enough digits for the decision being made and avoid repeatedly converting a rounded display value back and forth.
Conversion checks
Confirm the source quantity is positive and genuinely represents volume. Select the written source and destination units rather than relying on an abbreviation alone. For a round trip, 12 BF becomes 1 ft³ and returns to 12 BF; 1 BF becomes 0.002359737216 m³ and returns to 1 BF within floating-point precision.
A conversion cannot repair an uncertain source tally. Record whether the original board-foot quantity used actual dimensions, nominal dimensions or a named seller convention before translating its units. The converted figure inherits those assumptions even though its arithmetic is exact.
Questions about this topic
Is MBF always one thousand board feet?
That is the convention used here, but abbreviations can vary. Confirm it in contracts.
Why are metric answers long?
The long factor preserves the exact inch-derived relationship; display digits can be shortened for practical use.
Can I convert square feet here?
Use the square-feet tool because thickness is mandatory.
Related BoardFoot Bench pages
Method and content reviewed 3 September 2026.