How the Curtain Rod Length Calculator works
Window width receives an extension on both sides based on panel weight and desired stack-back.
How to use this tool
- Collect accurate values for window width, extension each side, finial allowance each side.
- Enter measurements in the displayed units and select the choices that match this project.
- Select Calculate / Generate, then compare the outputs with the stated Curtain Rod Length Calculator method.
- Apply the result only after checking product specifications and real site conditions.
Example calculation or use case
For a worked Curtain Rod Length Calculator example, use Window width = 1.6 m, Extension each side = 0.2 m, Finial allowance each side = 0.08 m. The tool then applies this method: Window width receives an extension on both sides based on panel weight and desired stack-back.