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Estimated Measurements for Curtains*

Length of Panels  
       ____________ finished length (inches)
   +         16" for hems
   +   ____________ repeat of design (inches)
   =   ____________ length needed for (1) "panel" in inches
 
Number of Panels  
        ____________ width of window + moldings (inches)
    x        2.5 for normal gathering/ pleating fullness & hems & "stack"
    =  ____________ fabric width needed for curtain
    /        54" (or correct width of fabric)
    +  ____________ number of panels (round this number UP to the next whole number.
 
Yardage Needed  
        ____________ length for (1) panel (inches)
    x  ____________ number of panels
    =  ____________ inches of fabric needed
    /        36" to convert to yards
    =  ____________ yards needed for (1) window

  

* Please note that these measurements are estimations. The total amount needed for your project may very slightly. Please consult a professional if you are unsure. FabricsUSA.com/InteriorMall.com accepts no responsibility for imprecise measurements.