What is a board foot?

A board foot is 144 cubic inches of wood, equal to a 1-inch by 12-inch board one foot long.

How many studs are in a wall?

Stud count is based on wall length and spacing, plus end studs and extras for openings.

Yes. A typical wall includes one bottom plate and two top plates, or three runs of wall length.

Inputs

Change any field and the results update instantly. Use supplier specs when you have them.

ModeWall lengthftWall heightftStud spacingOpeningsWaste%

Tips & notes

Assumptions that most often change the final quantity in the field—so you order with clearer eyes.

Use board feet for rough lumber and stud counts for wall framing.

Add waste for knots, checks, bad cuts, and sorting.

Stud walls usually need one bottom plate and double top plates.

Count extra studs at corners, wall ends, and openings.

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