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Crochet increase and decrease calculator

Enter the stitches you have and the total you need. Get one evenly distributed row of single crochets and increases or sc2tog decreases.

Prefilled numbers are a worked example. Change them for your project.

30 stitches after this row

6 increases across 24 starting stitches.

Each increase uses 1 old stitch and makes 2. Each sc2tog uses 2 old stitches and makes 1. The starting chain is not counted.

Work across in this order

  1. Single crochet in the next 2 stitches.
  2. Make 2 single crochets in the next stitch.
  3. Single crochet in the next 3 stitches.
  4. Make 2 single crochets in the next stitch.
  5. Single crochet in the next 3 stitches.
  6. Make 2 single crochets in the next stitch.
  7. Single crochet in the next 3 stitches.
  8. Make 2 single crochets in the next stitch.
  9. Single crochet in the next 3 stitches.
  10. Make 2 single crochets in the next stitch.
  11. Single crochet in the next 3 stitches.
  12. Make 2 single crochets in the next stitch.
  13. Single crochet in the final stitch.

Use the result with your pattern

The plan spreads single-stitch changes across one row. It does not preserve a lace, colorwork or texture repeat, and it is not a garment grading system. Keep the pattern’s edge and shaping rules.

Your entries stay in this browser. Your numbers are kept in the page address, so a copied link opens the same plan. Reset example restores the worked example.

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