Framing Calculator
Estimate studs, plates, and total lumber for any wall — trusted by framers and contractors.
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Interactive Wall Frame
Visualization of your wall framing layout.
How Many Studs Do I Need for a Wall?
To calculate wall studs, divide the wall length (in inches) by the stud spacing, then add 1. For each door or window opening, subtract 1 stud but add 2 jack studs and 1 king stud per side.
Studs = (Wall Length × 12 ÷ Spacing) + 1
What Is the Standard Stud Spacing for Walls?
| Spacing | Type | Use Case |
|---|---|---|
| 16″ OC | Standard | Load-bearing walls, exterior walls |
| 24″ OC | Wide | Non-load-bearing interior walls |
| 12″ OC | Close | Extra strength, heavy cladding support |
Frequently Asked Questions
How many studs do I need for a 10-foot wall?
A 10-foot wall at 16″ OC spacing needs 9 studs. Calculation: (10 × 12) ÷ 16 + 1 = 8.5, rounded up to 9. Add extra studs for corners and intersections.
How many plates does a framed wall need?
Every wall needs 1 bottom plate and 1 or 2 top plates (double top plate for load-bearing walls). Each plate runs the full wall length. A 10 ft wall needs 20–30 linear feet of plate material.
What size lumber is used for wall framing?
2×4 lumber is standard for interior walls. 2×6 lumber is used for exterior walls to accommodate thicker insulation. Wall height is typically 8 feet (96 inches) using precut 92-5/8″ studs.
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