Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
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.
Sewing
Fabric Yardage Calculator
Calculate the total yardage of fabric to buy for a sewing project based on project dimensions and fabric bolt width. Use it before purchasing to avoid running short mid-project or over-buying expensive fabric.
Fill in the required fields to see your result.
Key differences
| Seam Allowance Calculator | Fabric Yardage Calculator | |
|---|---|---|
| Category | Sewing | Sewing |
| Inputs required | 3 | 3 |
| Result | Total Fabric Area (square inches) | Fabric Needed (yards) |
| What it does | 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. | Calculate the total yardage of fabric to buy for a sewing project based on project dimensions and fabric bolt width. Use it before purchasing to avoid running short mid-project or over-buying expensive fabric. |