Board Feet Calculator

Inputs

Thickness (T)

Actual board thickness. Board-foot math uses actual dimensions unless you intentionally enter nominal sizes.

Width (W)

Actual board width.

Length (L)

Board length.

Quantity (N)

Number of identical boards.

boards

Waste / overage (w)

Extra board feet to buy for defects, trimming, kerf, layout or sorting.

Price ($/bf)

Cost per board foot for the lumber.

$/bd ft

Default result

Total board feet(BF_total)

4bd ft

Pass

one board including waste allowance

Also computed

Board feet each(BF_each)4bd ft

Net board feet(BF_net)4bd ft

Waste allowance(BF_waste)0bd ft

Estimated lumber cost(Cost)25$

Cubic volume(V)9,439cm³

Method notes 2 notes

Board feet use actual entered dimensions: thickness in inches x width in inches x length in feet / 12.
Nominal lumber sizes, rough-sawn oversize, shrinkage, grading defects and cut-list yield can change what you need to buy.