Measure the depth of your window frame.
How to measure window for inside mount blinds.
Inside mount window treatments are installed inside the window frame or casing they provide a sleek clean look which can showcase your window size and moldings.
Take the narrowest of the three width measurements and round down to the nearest 1 8.
When measuring to fit any of these blinds or shades to your windows it is important to remember a few key things.
For an inside mount blind you must determine if there s enough room to install a blind and its heading in the window opening.
This is the most popular method if the window depth allows it.
1 measure the width inside the window opening at the top middle and bottom.
If the edge of the window is flush with the wall you ll need to use an outside mount blind.
Consider adding 3 inches to your width measurement which will allow your blinds to extend past the window a bit farther and block more light.
Steel measuring tape is much more accurate than cloth measuring tape.
2 measure the height inside the window opening from the top of the window opening to the window sill three times.
Decide if you want an inside mount or an outside mount before you begin the measuring process.
How to measure inside mount blinds.
Measure once on the left at the center and on the right and take the longest of the three measurements.
Measure the width of the window opening in 3 places at the top in the middle and along the bottom edge or sill.
Measuring for outside mount window coverings is a bit easier.
Always measure to the nearest 1 8 inch.