Lumber & Framing Calculator

Plan a stud-wall framing job in seconds. Enter wall length, stud spacing, and number of walls to see how many studs and linear feet of plate you'll need. Includes a board feet converter for pricing dimensional lumber accurately.

Stud Wall Calculator

Wall length (ft)

Stud spacing (on center)

Number of walls

Include top & bottom plate?

Price per stud ($)

Price per plate board ($)

Framing Materials

Studs per wall—

Total studs—

Linear feet of plate—

Plate boards needed (8 ft each)—

Total board count—

Estimated cost—

Board Feet Converter

Board feet = (thickness in inches × width in inches × length in feet) ÷ 12. Useful for pricing hardwood, rough-sawn, or non-standard lumber.

Thickness (in)

Width (in)

Length (ft)

Quantity (boards)

Price per board foot ($)

Board Feet

Board feet per piece—

Total board feet—

Estimated cost—

Stud formula: studs per wall = ceil(wall length in inches ÷ spacing) + 1, plus extras for corners and openings. Always add 5–10% for waste and bad boards.