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
Seam Allowance Calculator
Calculate the total cut fabric area needed when adding seam allowances to a target finished size. Use it when drafting patterns, adjusting existing patterns, or estimating fabric for projects where the seam allowance reduces the finished dimensions.
Fill in the required fields to see your result.
Key differences
| Seam Allowance & Cutting Calculator | Seam Allowance Calculator | |
|---|---|---|
| Category | Sewing | Sewing |
| Inputs required | 4 | 3 |
| Result | Cutting Dimensions (sq inches) | Total Fabric Area (square inches) |
| 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 total cut fabric area needed when adding seam allowances to a target finished size. Use it when drafting patterns, adjusting existing patterns, or estimating fabric for projects where the seam allowance reduces the finished dimensions. |