Carpet Tack Strip Calculator
Estimate carpet tack strip for one or more equal rooms using perimeter, doorway deductions, excluded edges, waste, stock length and carton size.
Default project preview
1 cartons
Net installation length
153 ft
Purchased pieces
100
Purchased length
400 ft
Extra pieces
57
Calculator
Build the material order
Your order will appear here
Enter the project details and calculate a rounded material estimate.
Input and output guide
What each value means
The labels and units below are part of this calculator’s visible methodology. Replace every default with measurements or product data from the actual project.
Room length
Enter this project assumption in ft. The current imperial default is 15 ft.
Room width
Enter this project assumption in ft. The current imperial default is 12 ft.
Number of equal rooms
Enter this project assumption in a unitless value. The current imperial default is 3. Minimum: 1.
Total doorway width per room
Enter this project assumption in ft. The current imperial default is 3 ft. Minimum: 0.
Other excluded edge length per room
Enter this project assumption in ft. The current imperial default is 0 ft. Minimum: 0.
Cuts and spare allowance
Enter this project assumption in %. The current imperial default is 10 %. Minimum: 0. Maximum: 50.
Tack-strip piece length
Enter this project assumption in ft. The current imperial default is 4 ft.
Pieces per carton
Enter this project assumption in a unitless value. The current imperial default is 100.
Price per carton
Enter this project assumption in a unitless value. The current imperial default is 72. Minimum: 0.
How to read the outputs
Net installation length
after doorway and edge deductions. Default preview: 153 ft.
Purchased pieces
100 per carton. Default preview: 100.
Purchased length
full-carton quantity. Default preview: 400 ft.
Extra pieces
after planned installation. Default preview: 57.
Perimeter per room
3 equal rooms. Default preview: 54 ft.
Tack-strip cost
full cartons. Default preview: $72.00.
Methodology
Transparent calculation
BuildMeter converts every input to a consistent internal unit, applies the selected allowance, and rounds products up to whole purchasable units.
Net length = room perimeter − doorway and excluded edges. Multiply by room count, add waste, round to full stock pieces, then round to full cartons.
FAQ
Carpet Tack Strip Calculator questions
Why deduct doorway widths?+
Tack strip normally stops at door transitions instead of running continuously through the opening.
Should every wall receive tack strip?+
Most stretch-in carpet layouts use strip around the room perimeter, but built-ins, transitions, hearths and alternate installation systems create exclusions.
Does this include fastening hardware?+
No. Nail type, adhesive or concrete fasteners depend on the subfloor and tack-strip product.