I watched my mom spend 45 minutes calculating fabric for a sofa reupholstery project — measuring tape, notepad, calculator — and she still bought 2 yards too little.
The problem with most fabric calculators: they're single-purpose (one for curtains, another for upholstery, a third for quilting), they live on different sites with different UIs, and half require signup. But the real hidden issue? Almost none of them account for pattern repeat.
Pattern repeat is the hidden fabric eater. 27-inch repeat on 84-inch panels means you need ~40% more fabric than the raw measurement. That's the difference between 7 yards and 10 yards.
yardage-calc.com handles all four disciplines — upholstery (sofa, armchair, ottoman, headboard), curtains (rod pocket, grommet, pinch pleat, blackout fullness ratios), quilting (backing, batting, binding), and sewing (dress, skirt, shirt, pants). Each calculator accounts for pattern repeat, seam allowance, and railroading. The upholstery module cross-references a 300-line lookup table of standard furniture dimensions.
No ads, no signup, pure vanilla JS. Just accurate math.
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