The gap on either side of the blind will vary depending on the type of blind or shade, but most blinds are cut to be 1/2 inch smaller than the smallest width of the window. When measuring for blinds you should measure the width at the top, middle and bottom and take the smallest measurement.
How do I know what size blinds I need?
https://www.youtube.com/watch?v=71mg1KopnrY
What are standard sizes for window blinds?
If you've ever wondered what the standard size of window blinds is, the standard window length ranges from 36 to 72 inches, and the standard width ranges from 24 to 60 inches.2 Dec 2019
Occasionally window blinds are mis-measured and are too large to fit in the window frame. Most horizontal blinds such as wood blinds and faux wood blinds can be trimmed or cut down to the right width so they can be installed. Follow these easy steps to cut down your blinds.
Will Lowes cut blinds not purchased there?
Lowe's offers installation services for blinds that are cut in-store and for other blinds purchased from Lowe's. While these blinds do not have to be specifically cut in-store to be installed, they do have to be purchased from Lowe's, otherwise, the store will not install them.
How much can you cut blinds?
Measure the Headrail Subtract the width of the window from the headrail measurement. This is the amount you need to trim. Divide the amount in half if it's more than 2 inches so you can cut 1/2 of the extra width from each side. If it's smaller than that, you can cut it all from one side.