Framing Calculator
Find how many studs and plates a wall needs from its length and stud spacing.
Change the values and press Calculate to work out your own figures.
Enter the wall's length, the stud spacing and the end studs.
Show the working
- studs = ⌈length ÷ spacing⌉ − 1 + 2 × end studs
- plate boards = ⌈length ÷ board length⌉ × plates
How to use it
Enter the wall's length, the stud spacing and the end studs.
Lengths can be decimals, fractions or tape entries such as 12' 6 1/2" (in feet or inches). Prices are optional.
Key facts
studs = ⌈length ÷ spacing⌉ − 1 + 2 × end studs plate boards = ⌈length ÷ board length⌉ × plates
Openings
Each window or door adds king and jack studs, a header and cripples; corners and wall intersections need extra studs for backing.
Questions
How many studs for a 13 ft wall at 16 in?
11 studs with one at each end.
Formulas
studs = ⌈length ÷ spacing⌉ − 1 + 2 × end studs plate boards = ⌈length ÷ board length⌉ × plates
Sources
Limitations
- Material densities are typical values (the midpoint of the commonly published range); real loads vary with moisture, grading and compaction, so check with your supplier or type in their density.
- Tank results are the geometric volume; real tanks have wall thickness and fittings.