Curtain Length & Width Calculator — Drapery Sizing
Calculate exact rod mounting heights, finished curtain drop lengths, stack-back widths, ready-made panel counts, and custom fabric yardage.
Preview Linen vs Velvet Drapery in 3D
Test ceiling-to-floor drape fabrics and stack-back lighting in our AI Room Designer.
Open AI Room Designer →The "High and Wide" Architectural Principle
To maximize natural daylight and give the illusion of 10-foot luxury ceilings, follow the 2 golden rules of drapery installation:
Frequently Asked Questions
Frequently Asked Questions
Hanging the rod close to the ceiling draws the eye upward, making standard 8- or 9-foot ceilings feel dramatically higher. Extending the rod 6 to 10 inches wider than the casing allows the stacked panels to rest against the wall, allowing 100% of natural daylight into the room.
In residential living rooms, bedrooms, and dining rooms, sill-length curtains visually chop the wall in half and look unfinished. Floor-length drapery is the universal architectural standard unless blocked by a permanent heating radiator or kitchen counter.
The "Hover/Float" (1/2 inch above floor) is the most functional choice for robotic vacuums, pet homes, and high-traffic spaces because the bottom hem never collects dust bunnies or drags across flooring.