CURTAIN Pleat Calculator




Use this calculator when pleating up a fabric panel to a finished curtain width. For a given number of pleats, the calculator will find the pleat sizes and gap sizes required to make the curtain.

How to Calculate your pleats

  • Fold a sample pleat to find approximately what your ideal width of pleat and gap size is.
  • Enter the following values in cms.
    • Width of fabric panel to be pleated
    • Finished curtain width
    • Left end
    • Right end
  • Select a number of pleats
  • Press Enter to calculate
  • If necessary change the number of pleats and Recalculate until you find the best "Pleat size" and "Gap size" for the curtain.