Frequently Asked Questions
What causes wool to felt?
More Sewing Tools
Cotton Fabric Shrinkage Calculator
Cotton typically shrinks 2-5%. Calculate exact fabric loss for quilting cotton, voile, or canvas to ensure you buy enough yardage.
Linen Shrinkage Calculator
Linen fibers relax significantly when washed. Expect 5-10% shrinkage loss. Plan your yardage accordingly to avoid shortage.
Rayon / Viscose Shrinkage Tool
Rayon is notorious for shrinking. Calculate the high loss rate (often 10%+) before cutting your pattern.
Denim / Jeans Shrinkage Calculator
Raw denim and heavy cotton twills often shrink significantly in length. Expect 10-12% shrinkage for unsanforized denim.
Silk Fabric Shrinkage Calculator
Silk, especially Crepe de Chine, can shrink 5-8% when washed. Dry cleaning minimizes this, but hand washing changes the texture.
Cotton Flannel Shrinkage Calculator
Flannel is loosely woven and brushed, leading to high shrinkage rates (often 8-10% or more). Buy extra yardage.
Polyester / Synthetic Shrinkage Tool
Polyester is very stable. Shrinkage is usually minimal (under 2%), but high heat drying can cause permanent creases or damage.