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Box Pleat Depth from Fabric Allowance
Online box pleat depth from fabric allowance. Four underfold depths per box pleat.
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box pleat depth from fabric allowance calculator online
Use box pleat depth from fabric allowance online for fabric width cm, finished width cm, pleats. Four underfold depths per box pleat. Planning estimate using the supplied gauge, fabric dimensions and allowances; stretch, drape and finishing losses require separate assessment.
How to use it
Enter fabric width cm. Set finished width cm, pleats. Select Calculate and check the labeled output. Copy or download the JSON result.
Options and example settings
Calculation method
underfold_depth_cm = positive(fabric_width_cm-finished_width_cm)/(4*positive(pleats)) (^ means exponentiation; trig functions ending in d use degrees).
Worked examples
Apply box pleat depth from fabric allowance to the case below, keeping the displayed units and assumptions. Four underfold depths per box pleat.
Box Pleat Depth from Fabric Allowance — worked case
Settings: finished width cm: 60; pleats: 10
Input:
180
Calculated result for these inputs:
Output:
{
"underfold_depth_cm": 3
}Choose the right tool
Use your measured gauge and actual fabric dimensions. Distinguish finished measurements from cut measurements with seam allowances, and verify pattern-repeat and shrinkage assumptions before cutting.
Limitations and common mistakes
- Four underfold depths per box pleat. Planning estimate using the supplied gauge, fabric dimensions and allowances; stretch, drape and finishing losses require separate assessment.
- Use the displayed unit in every field. Ratios and percentages are different inputs; percent fields use values such as 25 rather than 0.25.
Frequently asked questions
How can I use box pleat depth from fabric allowance calculator online?
Enter fabric width cm. Set finished width cm, pleats. Select Calculate and check the labeled output. Copy or download the JSON result.
Where is my input processed?
The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.
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