Board Foot Calculator

1 board foot = 144 in³ = 1/12 ft³. Formula: BF = (L × W × T) / 144 (all dimensions in inches).

Pieces

No. of pieces

Enter how many identical pieces you’re calculating.

Price per board foot

Amount

Optional. Used to calculate the total cost.

Thickness

Value

Width

Value

Length

Value

Per Piece

Board feet per piece

Calculated from one piece only.

Total

Board feet

Shows total board feet for all pieces.

Total Cost

Amount

Price per board foot × total board feet.

Step-by-step derivation

Enter your pieces and dimensions, then click Calculate.

References

Board foot definition: 1 BF = 144 in³ = 1/12 ft³.
Formula: BF = (Length × Width × Thickness) / 144 when all dimensions are in inches.
Mixed ft/in and m/cm inputs are converted to inches first, then used in the standard formula.

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