The very first time you need to make sure how many curtain you need to put on your windows, as each curtain is a piece of fabric.  Also the number you need will be very depends on your window's width and the style you love. Most of time, a window will require 2 pieces, but some will need more than that.

The very first time you need to make sure how many curtain you need to put on your windows, as each curtain is a piece of fabric.  Also the number you need will be very depends on your window's width and the style you love. Most of time, a window will require 2 pieces, but some will need more than that.

The style you love decide the long of your curtains you need. Sill, Apron, Floor and Puddle is the most common style for curtains. 

• Sill: Sill style's length just from top to sill. If your window don't have sill, the length will be from top to inner edge.
• Apron: Apron style' length is from top to just below the window sill or frame.
• Floor: Floor style's length is from top to your floor.
• Puddle: To get the right Puddle style's length, you need to get the Floor style's length, and then add 8-10 inches to get the puddle eddect!