Common Blind Width

Leave about 1 inch on either side of the frame so that the blinds block out all of the light.

Common blind width.

Good to know for optimum light control the blinds should extend 1 1 2 inches beyond the window opening on each side. You re likely to see 24 and 36 inch widths paired with the smaller heights or with accent windows. Standard sizes for window blinds standard sizes. Don t forget to record window depth so you ll meet the minimum installation requirement.

Window length width and depth. There are also four standard blind widths. Record the narrowest width and longest height. Measure the width from the outermost points of the window.

Measure the height by going all the way from the top of the frame to the window sill. The slats can be tilted opened precisely horizontally for the most light or closed for privacy or to block. The size of the blind slats you choose really depends on your desired look and application. Measure the width to the nearest 1 8 of an inch between the outer most points where the blinds will be placed.

Outside mount window treatments are mounted outside the window casing. 24 inches 36 inches 48 inches and 60 inches. Consider adding an extra 3 inches to the width and height for optimum light control and privacy. The 48 and 60 inch blinds will show up more often in short wide windows or in full wall windows.

Measure the overall area to be covered.