Stud Calculator
Estimate number of studs for a wall
Estimate how many wall studs you need based on the wall length and the on-center stud spacing, plus the three wall plates.
Estimate the number of studs for a wall at a given on-center spacing, plus the 3 plates (two top, one bottom).
Studs
10
including both ends
Plates
3
linear = 3 × wall length
How to Use This Calculator
- Enter the wall length in feet.
- Enter the stud spacing in inches (on-center).
- Review the number of studs and the plate count.
Why Use This Calculator?
- Ordering studs for a wall build.
- Comparing 16-inch vs. 24-inch spacing.
- Quick material takeoff for framing.
Real-World Examples
A 12 ft wall at 16 in on-center
That's about 10 studs (including both ends) plus the three plates — two top plates and one bottom plate.
Frequently Asked Questions
What does "on-center" mean?
It's the distance from the center of one stud to the center of the next. Standard residential framing uses 16 or 24 inches on-center.
Does this include extras for corners and openings?
The estimate includes both end studs, but corners, intersections, and door or window openings usually need additional studs and framing.
What are the plates?
Plates are the horizontal boards at the top and bottom of the wall — typically a double top plate and a single bottom plate, three in all.
Important Disclaimer
A rough takeoff. Real walls need extra studs for corners, intersections, openings, and bracing per building code. Verify against your framing plan and local code.
Privacy
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