Measuring for pinch-pleated drapes. Pinch-pleated drapes are an investment because in most cases they are made to fit your window or doorway exactly. You see, this style is not adjustable. When measuring to see how much fabric you need for a pinch-pleated drape, you need to know if your drape will be functional (opening and closing) or if will it remain stationary (used just for looks). Also think about the length of your pinch-pleated drape:Right above the floor (positioned 1/2" off the floor for more traditional, tailored looks; best for traversing draperies)Breaks at the floor; best for stationary panels (a.k.a. ‘trouser’ length).Or add an extra 8" in length beyond the floor for a more dramatic look; best for stationary panels (a.k.a. ‘puddle’ length).If you are getting pinch pleated drapes through your local custom window treatment store, the professional should come out and measure for you. If you get custom drapes at an online stores such as Smith & Noble, they usually have calculators that figure out the right size of drape for you. Be very careful with your measurements. More on getting your draperies right