Carpentry Calculators
Fast layout math for framing, boards, stairs, spacing, trim, and deck projects.
Board Feet Calculator
Calculate board feet from board thickness, width, length, and quantity.
Stud Count Calculator
Estimate wall studs from wall length and on-center spacing.
Deck Board Calculator
Estimate deck boards from deck size, board width, gap, and waste.
Fence Picket Calculator
Calculate fence pickets needed from fence length, picket width, and gap.
Baluster Spacing Calculator
Estimate baluster count for a railing section.
Stair Stringer Calculator
Calculate approximate stair rise, run, and stringer length.
Rafter Length Calculator
Calculate rafter length from span and roof pitch.
Joist Count Calculator
Estimate joist count from deck or floor width and spacing.
Trim Linear Feet Calculator
Estimate trim length around a rectangular room.
Sheet Goods Calculator
Estimate 4x8 sheet count from total square footage.