How to Measure Your Windows for Blinds

Measuring for Blinds

Knowing how to measure your windows for blinds is key when placing an order for new window treatments. A miscalculation when measuring could be an expensive fix. It also may take weeks or months to send blinds back to the factory and receive a new set in the correct size. Here are some helpful guidelines for measuring your windows.

Tools and Preparation

To measure correctly, make sure you are using a steel measuring tape. Cloth measuring tapes do not have the same tension, sometimes leading to inaccurate results. Make sure you have a pencil and paper on hand to quickly jot down the measurements. Always note width first, then height and always measure to the closest 1/8 of an inch. Never assume all windows are the same size – even the smallest variance can affect the fit of the blinds.

Inside Mount versus Outside Mount

Next, you must decide whether your window blinds will be mounted on the inside or the outside of the window frame. Inside-mount blinds have multiple advantages. As the more common choice for mounting blinds, inside-mount positioning affords a clean, tidy look to the room. The window trim is still visible, which adds character and sophistication. For windows with a wide sill, inside-mount coverings leave space for decorative objects, like plants or picture frames.

On the other hand, outside mounting also provides ample benefits. Unlike inside mounting, where a gap is left between the edge of the blind and the window, outside-mount blinds completely cover everything, cloaking the room in complete darkness. Outside mounting is more desirable for windows of a unique shape, and they can hide unsightly window trim. It also will make smaller windows appear larger. When fully raised, no “stack,” or collected assemblage of blinds slats, will obstruct the view at the top of the window.

Measuring Inside-Mount Blinds

To find the width, take three measurements of the inside of the window: one from the top, middle and bottom. Write down the smallest measurement. To find the height, repeat the same process and record the narrowest measurement. Never deduct space for the blinds to fit, as the manufacturer will take care of that.

Measuring Outside-Mount Blinds

You have more control over the measurements for outside-mount blinds. First, decide where the blinds will be installed – on the wall above the window or on the window trim. If they will be installed on the wall, most manufacturers recommend adding at least one and a half inches on either side to the overall width. You will have better light protection. Once the width and installation location is established, measure how far down you would like the blinds to go and record that distance for height. You can manipulate the blinds to end with the top of the windowsill, or add extra inches so they will completely cover the bottom of the window.

If you are looking for additional guidance on how to measure blinds, contact the team at Utah Blinds Gallery. They will be happy to offer assistance and visit your home for an estimate, ensuring your window blinds are measured correctly.

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