Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Sewing
Buttonhole Spacing Calculator
Calculate the center-to-center distance between buttonholes on a placket for evenly spaced results. Use it whenever adding buttons to a shirt, cardigan, blouse, jacket, or any faced opening.
Fill in the required fields to see your result.
Sewing
Pattern Grading Calculator
Calculates new pattern measurements when grading a sewing pattern up or down between sizes. Use it when resizing a commercial pattern to fit a different size without redrawing every piece from scratch.
Fill in the required fields to see your result.
Key differences
| Buttonhole Spacing Calculator | Pattern Grading Calculator | |
|---|---|---|
| Category | Sewing | Sewing |
| Inputs required | 4 | 4 |
| Result | Spacing Between Buttonholes (inches) | Adjusted Measurement (inches) |
| What it does | Calculate the center-to-center distance between buttonholes on a placket for evenly spaced results. Use it whenever adding buttons to a shirt, cardigan, blouse, jacket, or any faced opening. | Calculates new pattern measurements when grading a sewing pattern up or down between sizes. Use it when resizing a commercial pattern to fit a different size without redrawing every piece from scratch. |