For example on a 54 inch wide window you could extend your curtain rods up to 9 inches on each side 54 divided by three equals 18 so your rod can be up to 72 inches long.
Curtain rod above window trim.
The higher the rod the closer to god 2 extend your curtain rod so that it s at least 7 10 past the edge of the window.
A rule of thumb from architectural digest is that curtains should be hung between 4 to 6 inches above the window frame so install your curtain rod accordingly.
Your curtains may hang from the pole using a sleeve rings or eyelets.
Don t scrimp on length.
In general windows with plenty of wall space on either side can afford a longer rod and larger finials.
For cathedral ceilings leave approximately four to six inches above the window trim as a guideline.
Mark with chalk or a pencil.
To find your ideal placement measure down from the ceiling to the top of the trim at the left corner of your window.
You may need to adjust the height of the pole for different curtain hanging styles.
This applies if there are more than 12 inches between the window trim and ceiling.
Wall mounted rods are usually installed four inches above the window.
Standard curtain rod placement 1 measure 2 inches to the right and left of the top corners of the window frame trim.
Ideal position for the curtain rod is 6 inches above the window trim but you may need to adjust this up or down so the curtains end where you want them.
When you hang the curtain rod high it will make the window appear taller.
If that s the case i recommend hanging the rod about two feet above the window.
See in the photo below how the rod keeps going well past where the window stops.
No matter what the ceiling height the minimum distance from the top of the window casing to the curtain rod is two inches.
But for the rest of us.