If your window has no trim around it measure a distance from point a to point b that includes any extra width you may desire for light gap coverage and privacy.
Standard vertical blind sizes.
We recommend adding 2 to 3 inches to each side.
If you have trim around your window simply measure to the far edges of your trim from left to right.
The width and length of the blind corresponds to standard window sizes.
To find the right size for inside mount blinds the most typical mounting method for any blind take three precise measurements for the width.
Project source room darkening vertical 3 5 in cordless white vinyl room darkening vertical blinds common.
To maintain the maximum view allow adequate overlap and consider the stack width.
78 in x 84 in item 924751 model 94933.
Blind should overlap opening at least 4 on each side to ensure privacy.
Scroll over the image to view the sizes.
Sizes most commonly ordered for vertical blinds.
From inner frame to inner frame at the top middle and bottom of the window noting the width to the nearest 1 8 inch.