Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Sewing
Elastic Length Calculator
Calculate the exact elastic length for waistbands, sleeve cuffs, and casings so garments fit snugly without distortion. Accounts for body measurement, elastic type, seam allowance, and desired gathering.
Fill in the required fields to see your result.
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.
Key differences
| Elastic Length Calculator | Zipper Length Calculator | |
|---|---|---|
| Category | Sewing | Sewing |
| Inputs required | 4 | 5 |
| Result | Elastic Length to Cut (inches) | Recommended Zipper Length (inches) |
| What it does | Calculate the exact elastic length for waistbands, sleeve cuffs, and casings so garments fit snugly without distortion. Accounts for body measurement, elastic type, seam allowance, and desired gathering. | 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. |