CURTAIN WORKROOM GUIDE
Fixed pleat-spacing curtains and wave curtains may begin with the same track measurement, but they do not use the same production logic. One system is built around pleat intervals and fabric take-up. The other depends on the relationship between track runners and button spacing on the fabric.
The Xpro Curtain Calculator separates these two systems so designers, estimators, and workrooms can turn finished measurements into practical cutting and fabrication information.
Professional curtain calculation is not simply track width multiplied by fullness. The correct plan also needs to account for panel layout, spacing, hardware rhythm, fabric take-up, edge allowances, finished height, fabric direction, and purchase rounding.
Why the curtain system changes the calculation
A fixed pleat is formed by deliberately taking fabric into each pleat. A wave curtain creates its rhythm through regularly spaced runners in the track and matching buttons or snaps on the heading tape. Because the fabric is controlled differently, the calculator must ask different questions and produce different workroom details.
Fixed pleat spacing
Built around the number and spacing of individual pleats.
- Pleat interval
- Fabric between pleats
- Fabric taken into each pleat
- Total pleat count
- Flat cut width
Wave or ripple fold
Built around the repeat created by the track and heading tape.
- Runner spacing
- Button spacing on fabric
- Buttons per panel
- Total button count
- Flat cut width
Fixed pleat-spacing curtain calculations
For a fixed pleat-spacing style, including Korean pleat curtains, the calculator begins with the track or pole width and the chosen single-panel or pair configuration. It then applies the workroom's pleat spacing and fabric take-up per pleat.
Information to enter
- Track or pole width
- Single panel or pair
- Finished curtain height
- Distance between pleats
- Fabric take-up inside each pleat
- Fabric type, direction, and usable width
Production details calculated
- Minimum and actual finished width
- Pleat intervals and total pleat count
- Fabric used between pleats
- Total fabric taken into the pleats
- Flat cut width for each panel
- Total flat cut width for the window
- Theoretical fabric use and suggested purchase amount
This detail matters because two curtains with the same finished width can require different flat cut widths when the pleat spacing or fabric take-up changes. The calculator makes that relationship visible before cutting.
Wave and ripple-fold curtain calculations
A wave curtain is controlled by two linked repeats. The first is the spacing between the runners in the track. The second is the spacing between the buttons or snaps attached to the heading tape. Their relationship determines the number and rhythm of the waves.
Information to enter
- Track width
- Single panel or pair
- Finished curtain height
- Runner spacing in the track
- Button or snap spacing on the fabric
- Fabric type, direction, and usable width
Production details calculated
- Minimum and actual finished width
- Buttons per panel and total button count
- Fabric required by the button-spacing repeat
- Flat cut width for each panel
- Total flat cut width for the window
- Theoretical fabric use and suggested purchase amount
Changing the runner spacing or button spacing changes the wave geometry and the amount of fabric required. For that reason, the selected track hardware and heading tape should be confirmed before the final production calculation.
How to use the Xpro Curtain Calculator
- Choose the language and unit. Work in English or Simplified Chinese, using inches or centimetres consistently.
- Create the project. Add the client, room, order, or project reference needed by the design and workroom teams.
- Add each window. Record clear room names and enter the measured track width and finished curtain height.
- Select the curtain system. Choose fixed pleat spacing or wave curtain. The relevant production fields will follow that choice.
- Enter the workroom settings. Add pleat spacing and take-up for a fixed pleat, or runner spacing and button spacing for a wave curtain.
- Define the fabric. Choose fixed-height or fixed-width fabric and enter the necessary material information.
- Review every production detail. Check counts, flat cut widths, allowances, theoretical use, and suggested purchase quantity.
- Save or share the plan. Use the saved, printed, or PDF output for internal review, estimating, cutting, or project coordination.
Where the calculator adds the most value
Design development
Compare a fixed pleat and a wave system before the final heading style and hardware are specified.
Estimating and purchasing
Move from finished measurements to a clearer material requirement, with the production assumptions visible for review.
Workroom communication
Give the fabrication team pleat counts, button counts, panel cut widths, and project notes in one organized calculation.
Multi-window projects
Add all windows using compatible fabric information, then review project totals and available cross-window fabric optimization.
What the calculator does not replace
The calculator supports production and material planning. It does not replace a final site measure, workroom review, hardware specification, fabric inspection, pattern-repeat planning, or a project quotation.
Before cutting: confirm the actual track system, runner spacing, heading tape, pattern repeat, fabric direction, shrinkage, seam placement, and the workroom's preferred allowances. Small differences in hardware or fabrication method can change the final plan.
Frequently asked questions
What is the main difference between fixed pleat and wave curtain calculations?
Fixed pleat calculations use the spacing and fabric take-up of each pleat. Wave curtain calculations use the relationship between track runner spacing and button spacing on the fabric.
Is this a curtain price calculator?
No. It is a production and fabric-planning calculator. Project pricing and quotations remain separate.
Can it calculate more than one window?
Yes. Multiple windows can be added to a project, reviewed individually, and summarized by compatible fabric groups.
Can fixed pleat and wave curtains be included in the same project?
Yes. Each window uses its own curtain-system calculation while the project summary keeps the production information organized.
Planning a custom curtain project?
Xpro Home welcomes residential, commercial, designer, and trade inquiries. Share the project type, dimensions, quantities, target timeline, and contact information for a custom-curtain quotation.
Request a project quote