Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Sewing
Zipper Length Calculator
Finds the correct zipper length to order for any garment opening, factoring in stop allowances and seam allowances. Use it when sewing a dress, skirt, or bag to avoid buying the wrong size.
Fill in the required fields to see your result.
Sewing
Bias Tape Length Calculator
Calculate how much bias tape or binding you need to finish the edges of a fabric project, including extra for mitering corners and a working buffer. Use it whenever you are binding a quilt, neckline, armhole, or finishing the edge of any cut piece.
Fill in the required fields to see your result.
Key differences
| Zipper Length Calculator | Bias Tape Length Calculator | |
|---|---|---|
| Category | Sewing | Sewing |
| Inputs required | 5 | 3 |
| Result | Recommended Zipper Length (inches) | Bias Tape Needed (inches) |
| What it does | Finds the correct zipper length to order for any garment opening, factoring in stop allowances and seam allowances. Use it when sewing a dress, skirt, or bag to avoid buying the wrong size. | Calculate how much bias tape or binding you need to finish the edges of a fabric project, including extra for mitering corners and a working buffer. Use it whenever you are binding a quilt, neckline, armhole, or finishing the edge of any cut piece. |