How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Waist radius
waist/(2*pi)Outer radius
waist/(2*pi)+lengthCircle Skirt Calculator
Full-circle skirt; seam allowance excluded.
Full-circle skirt; seam allowance excluded.
Result
Enter your values and run the tool to see your result.