Stud Wall Calculator
How many studs a wall needs at the spacing you set, counting both ends.
How many studs a straight wall needs at the spacing you set, counting both ends. Add extras for corners, doors, and windows.
Measure
Studs
12
A 4.8 m wall at 450 mm centres needs 12 studs, counting both ends.
- Centres
- 450 mm
- Extra
- 0
- Plates and noggins are not included.
- This is a straight run. Junctions and openings need extra studs.
Studs12
Measurements stay in this browser. Nothing is uploaded.
Worked example
A 4.8 m wall at 450 mm centres needs 12 studs, counting both ends. The old “length divided by spacing, rounded down, plus one” can miss the end stud when the length isn’t an exact multiple.
FAQ
- Does this include plates and noggins?
- No. It’s the vertical studs only.
- Should the spacing be 450 or 600?
- 450 mm is the default. Use the spacing the sheet size and the load require.
- Are corners and openings extra?
- Yes. Use the extra-studs field for junctions, doors, and windows.