Whereas length of curtains needed would be 1 inch above the bottom. Measure the width of the rod from left to right. Stationary Side Panels And Drapery Gordon S Window Decor Curtains Home Curtain Rods I am planning on lining the panels. One curtain panel per window . Buy top selling products like Quinn 108-Inch Grommet Top 100 Blackout Window Curtain Panel in Navy and Brookstone Curtain Fresh Dale 2-Pack 108-Inch Grommet Blackout Curtains in Linen. Small bathroom with wood panel covers over window. Sweep them over to one side for a romantic setting or let them hang for a classic uncluttered appearance. One panel per window. They can instantly perk up the décor irrespective of the width of the window. One window is a great place to reinforce a rooms style color. I dont know that Ive ever seen panels less than 50 or so wide but Im not an expert on curtains. Just be sure the curtains are the right length. Firstly measure the width of your curtain rod. Buy to...