Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Sewing
Seam Allowance & Cutting Calculator
Computes the cutting dimensions of a fabric piece by adding seam and hem allowances to your desired finished size. Use it whenever you need to cut fabric accurately from a custom or self-drafted pattern.
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
| Seam Allowance & Cutting Calculator | Interfacing Yardage Calculator | |
|---|---|---|
| Category | Sewing | Sewing |
| Inputs required | 4 | 4 |
| Result | Cutting Dimensions (sq inches) | Interfacing Needed (yards) |
| What it does | Computes the cutting dimensions of a fabric piece by adding seam and hem allowances to your desired finished size. Use it whenever you need to cut fabric accurately from a custom or self-drafted pattern. | 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. |