Stud Spacing Calculator

Estimate the number of studs needed for a wall layout, including standard spacing, end studs, and extra framing around openings. The calculator also shows a rough material cost and the first few stud positions from the start of the wall.

How to use this calculator

Enter wall length in feet, choose 12, 16, or 24 inches on center, select 2×4 or 2×6 studs, choose wall type, and enter the number of openings. Results include total studs required, estimated material cost, first stud positions, spacing, and warnings when the selected layout may be unsuitable.

Formula

Wall length is converted to inches, then spacing is applied:

$studs = ceiling(wall\ length\ in\ inches \div spacing) + 1 + 4 + openings \times 4$

For a 10 ft wall at 16 inches on center with no openings, the calculator estimates 13 studs: layout studs plus 4 extra end or corner studs.

Framing notes

This is a planning estimate. Confirm headers, king studs, jack studs, corners, blocking, sheathing layout, and local code before buying. For deck or other framing material estimates, see the deck material calculator, and for wall area use the square footage calculator.