Framing Calculator
Calculate studs, plates, and headers needed for wall framing.
Framing Calculator
What This Calculator Does
The Framing Calculator computes the number of studs, top and bottom plates, and total wall area for wood-frame wall construction. Enter the wall length, ceiling height, and stud spacing to get a complete material count for standard residential framing.
Wood framing (stick framing) is the dominant construction method for US residential buildings. A typical wall section consists of vertical studs at 16 or 24 inches on-center, a double top plate, a single bottom plate, and additional studs for corners and openings.
Stud spacing affects both structural strength and material cost: 16-inch OC provides stiffer walls and is required for 2-story construction; 24-inch OC is allowed for single-story walls and reduces lumber cost by approximately 30%.
How to Use
- Measure the total wall length in feet (for multiple walls, add all lengths together).
- Select the ceiling height (standard 8 ft or 9 ft) and stud spacing (16 in or 24 in OC).
- Enter the wall length into the calculator and select your options.
- Click "Calculate" to see the number of studs, plates, and wall area.
- Add 10% for waste, headers over openings, and blocking between studs.
Reference Table
| Wall Length | 16-in OC Studs | 24-in OC Studs | 8-ft Plates | Wall Area |
|---|---|---|---|---|
| 10 ft | 11 | 8 | 4 | 80-90 sq ft |
| 20 ft | 18 | 13 | 8 | 160-180 sq ft |
| 30 ft | 26 | 18 | 12 | 240-270 sq ft |
| 40 ft | 33 | 23 | 15 | 320-360 sq ft |
| 50 ft | 41 | 28 | 19 | 400-450 sq ft |
| 100 ft | 79 | 54 | 38 | 800-900 sq ft |
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Frequently Asked Questions
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