Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Sewing
Hem Allowance Calculator
Compute the total fabric cut length needed for a garment with a chosen hem depth and a top seam allowance, so the finished length matches the design. Useful for skirts, trousers, curtains, and any project where precise length matters.
Fill in the required fields to see your result.
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.
Key differences
| Hem Allowance Calculator | Seam Allowance & Cutting Calculator | |
|---|---|---|
| Category | Sewing | Sewing |
| Inputs required | 3 | 4 |
| Result | Total Cutting Length (inches) | Cutting Dimensions (sq inches) |
| What it does | Compute the total fabric cut length needed for a garment with a chosen hem depth and a top seam allowance, so the finished length matches the design. Useful for skirts, trousers, curtains, and any project where precise length matters. | 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. |