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Board Foot Calculator
Calculate lumber board feet from thickness, width, length, quantity, waste allowance, and optional price per board foot.
LUMBER
LOCAL
NO DATA SENT
BOARD FOOT CALCULATORTHICKNESS × WIDTH × LENGTH ÷ 12
LUMBERMEASURE ONE BOARD TYPE
Board footage is a volume measure commonly used for hardwood. Enter the dimensions your supplier uses for pricing.
PER BOARD—
BASE TOTAL—
EXTRA—
EST. COST—
HOW IT WORKSBOARD FOOT FORMULA
READYEnter lumber dimensions and quantity.
LOCAL TOOL: Lumber measurements stay in your browser. Rough-sawn, surfaced, nominal, and actual dimensions may be priced differently by suppliers, so use the dimensions your lumber yard quotes.
FIELD NOTE / 075
One board foot equals 144 cubic inches of lumber.
When thickness and width are in inches and length is in feet, board feet = thickness × width × length ÷ 12. Multiply by the number of boards, then add any ordering allowance.