Buttonhole Spacing Calculator

Enter your band stitch count and number of buttonholes to get perfectly spaced positions with a visual layout.

How to Use

  1. Band stitch count: Total stitches in your button band, usually picked up along the front edge.
  2. Number of buttonholes: Count your buttons — each button needs one hole.
  3. Buttonhole size: For most adult garments, 2 stitches is standard (bind off 2, cast on 2 on next row).
  4. Edge stitches: Stitches at each end that are never used for a buttonhole (keeps edges neat).

Tips

  • The top and bottom buttonholes are typically 2–3 stitches in from each edge.
  • For a 1-row buttonhole: bind off the number of stitches, then on the next row cast on the same number over the gap.
  • Test your button through a sample buttonhole before committing to the full band.
  • If spacing comes out uneven, add extra stitches to the spaces closest to the center of the band.

About this Buttonhole Spacing Calculator

This spaces buttonholes evenly along a knit or crochet band by working from the stitch count you actually have, not a fixed measurement — it subtracts the edge stitches and the space each buttonhole itself takes up, then divides what's left into equal gaps. When the stitches don't divide evenly, the leftover stitches are added to the gaps rather than dropped, so spacing stays as close to even as the stitch count allows instead of leaving one oddly large gap.

This assumes a straight band

The spacing math treats the band as a straight run of stitches, which holds for a typical vertical or horizontal button band. It doesn't account for a band that curves or changes stitch count partway (like a shaped placket), so on those, use the calculated spacing as a guide and adjust visually rather than following the stitch numbers exactly. A common fit problem isn't the math — it's too few edge stitches, which puts the top or bottom buttonhole uncomfortably close to a collar or hem.