Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Sewing
Fabric Gathering Ratio Calculator
Calculate the pre-gathered fabric length needed to achieve the right fullness for ruffles, skirt hems, and sleeves. Accounts for gathering ratio, fabric drape, and hem allowances.
Fill in the required fields to see your result.
Sewing
Interfacing Yardage Calculator
Calculate the yardage of interfacing needed to stabilize garment pieces like collars, cuffs, and facings. Enter your garment type, size factor, interfacing width, and any extra pieces to get a total yardage estimate.
Fill in the required fields to see your result.
Key differences
| Fabric Gathering Ratio Calculator | Interfacing Yardage Calculator | |
|---|---|---|
| Category | Sewing | Sewing |
| Inputs required | 4 | 4 |
| Result | Fabric Length to Cut (inches) | Interfacing Needed (yards) |
| What it does | Calculate the pre-gathered fabric length needed to achieve the right fullness for ruffles, skirt hems, and sleeves. Accounts for gathering ratio, fabric drape, and hem allowances. | Calculate the yardage of interfacing needed to stabilize garment pieces like collars, cuffs, and facings. Enter your garment type, size factor, interfacing width, and any extra pieces to get a total yardage estimate. |