Board Feet to Cubic Feet Converter
Convert lumber volume between board feet and cubic feet.
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What this tool does
Convert lumber volume between board feet and cubic feet. The ratio is exactly twelve board feet per cubic foot.
How to use the Board Feet to Cubic Feet Converter
- Enter or select volume.
- Enter or select direction.
- Read the calculated result; change any measurement to compare alternatives.
Formula
cubic feet=board feet/12; board feet=cubic feet×12
- value
- Volume
- direction
- Direction
The ratio is exactly twelve board feet per cubic foot.
Worked example
For board feet to cubic feet converter, the following measurements illustrate the exact method: Volume: 120; Direction: forward.
Inputs
- Volume120
- DirectionBoard feet to cubic feet
Result
- Cubic feet10
Results explained
- Cubic feet
- Cubic feet from the formula above. The ratio is exactly twelve board feet per cubic foot.
Frequently asked questions
Divide by twelve for cubic feet or multiply by twelve for board feet.
Use actual measured thickness and width unless your supplier explicitly prices on nominal rough dimensions. A nominal 2 × 4 is typically 1.5 × 3.5 inches after surfacing.
No unless a waste input is shown. Add stock for end trimming, defects and kerf rather than treating the computed total as a guaranteed cut plan.
Length inputs with a unit can be switched to metric; internal formulas keep a consistent inch/foot basis. Board foot outputs remain board feet.
Board feet represent solid wood volume, not stacked air gaps.