Bias Tape Calculator
Bias Tape
Sewing/craft calculation
inches
inches
inches
Formula
Fabric = (Length + Seam x 2) x (Width + Seam x 2)
Frequently Asked Questions
How much extra fabric should I buy?
Add 10-15% extra for pattern matching, mistakes, and shrinkage. More for directional fabrics.
What seam allowance should I use?
Standard seam allowance is 5/8 inch (1.5cm) for garments, 1/4 inch for quilting.