// multi-utility computation suite · offline · instant · precise
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tool.fabric-yardage-calculator Calculator
Calculates fabric yardage from a list of pattern pieces with dimensions, adding seam allowance and a 5% cutting waste factor. Pattern instructions give fabric requirements for standard widths (45″ or 60″) — this adjusts for non-standard bolt widths.
Inputs
Pattern Length In
Linear measurement. Ensure consistent units: 1 m = 1,000 mm = 3.281 ft.
Pattern Width In
Horizontal extent perpendicular to the length.
Fabric Width In
Horizontal extent perpendicular to the length.
Quantity
Count of items or occurrences.
Results
fabric yardage needed
Sample size or count used in the calculation.
pieces per fabric width
The computed width.
fabric width
The computed width.
garment length
The computed linear length.
add 10-15%
Reference formula or conversion factor shown for context.