// multi-utility computation suite · offline · instant · precise
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│ [c] calcalyst_ │
│ computation suite │
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hobby.sewing-fabric Calculator
Calculates fabric yardage needed for a garment or project from cut dimensions, seam allowance, number of pattern pieces, and fabric width. The most common beginner mistake in sewing is buying insufficient fabric because pattern piece repeats weren't accounted for.
Inputs
Length Cm
Linear measurement. Ensure consistent units: 1 m = 1,000 mm = 3.281 ft.
Width Cm
Horizontal extent perpendicular to the length.
Pieces
Count of items or occurrences.
Shrinkage Pct
Age in completed years. Many health and fitness formulas adjust for age.
Results
fabric needed (m)
Sample size or count used in the calculation.
base fabric (m)
Reference formula or conversion factor shown for context.
seam allowance add (m)
Sample size or count used in the calculation.
pieces
Reference formula or conversion factor shown for context.