Common fullness multipliers multiply your measured width by.
How many panels of curtains for window.
The treatment needs four panels.
For example if the package lists the curtain as finished at 25 inches wide and the area to cover is 100 inches 100 divided by 25 equals 4.
80 divided by 7 equals 11 4.
In this case 2 panels will give about 100 to 120 of width which will look nice and full.
Round up to the next whole number if you want to achieve more fullness.
Don t buy your curtains just so they re big enough to cover a window.
Round this up to 12.
Measure the width of your window.
If your window measures 36 wide window width x 2 72 you need curtains that will give a minimum width of 72 or 2 panels for that window.
Add 12 inches to each side 24 inches total.
You must calculate how many curtain panels will be needed for your window.
Total length for each panel x number of panels 36 total fabric needed add on extra inches for tie backs ruffles fabric shrinkage extra width and other trimming preferences.
A piece of lightweight fabric is usually better with a 3 inch hem to weight the hem and help it hang properly.
Before you decide what size curtains you need you have to consider where you re going to mount the curtain rod.
For this look you will need three to six panels.
For example for two times fullness on the 40 inch span the result would be 80 inches of panels.
It will not take up much wall space at all.
For two times fullness the.
Most people choose to mount the rod 1 to 3 inches above the top of the.
Whereas length of curtains needed would be 1 inch above the bottom.
First measure the length amd width of your window.
Decide if you want to cover the entire window or just half.
For example if you have a 28 inch wide panel and a 36 inch curtain rod purchase two panels for minimum fullness three panels for medium fullness and four panels for extra fullness.
If you want to go for the wispy look then you can get by with two panels.
12 times 7 equals 84.
Some people do three sections of curtains on double windows one on each side and one in the middle.
Take the total number width plus the number you added to each side and divide that number by how many drapery panels you want in the window.
For example a panel that is 46 x 54 is 46 inches wide and 54 inches long.
Always round up to the next full number.
If you want your draperies to cover the entire window you will need enough panel width to hang across the full opening.
You want a pair of panels for each window one width of fabric for each panel.