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Pleat Calculator — Extra Stitches for Knitted Pleats

Calculate the additional stitches needed for knitted pleats of various types.

How We Calculate This

This calculator determines how many extra stitches you need to create pleats, based on the pleat type and finished width.

Pleat multipliers

  • Knife pleat: 3x pleat width (face + 2 hidden layers)
  • Box pleat: 3x pleat width (three layers over the visible width)
  • Inverted box pleat: 3x pleat width (a reversed box pleat, same fabric)
  • Accordion pleat: 2x pleat width for a shallow fold (a full-depth accordion needs ~3x)

Frequently Asked Questions

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Last updated: February 2026

All calculations are estimates based on standard yarn weights and gauge. Results may vary with individual tension, yarn brand, and needle size.