How to Measure Windows for Blinds

Are you worried your blinds won’t fit the window opening if you do the measurement yourself?


Even if you’re a total beginner, worry not! This is super easy. All you need is a tape measure, a pen, paper and the commitment to follow instructions.



If you wanted to avail of quality blinds but are on a tight budget, taking the measurement on your own can help you save some peso.


Also, if you’re located in the far Visayas and Mindanao area where our Free Estimate Service cannot cover, you just landed in the right page!


In this article, we will show you how to measure your window opening for inside and outside mounted blinds with a breeze!



Here are the materials you will be needing:













Step 1: Decide whether you want your blinds INSIDE or OUTSIDE Mounted


Because before anything else, you have to consider first if you want your window blinds to be inside mounted or outside mounted.

  • Why choose an inside mount?

-Preserve the appearance of the window case

-Offers the cleanest and presentable look


  • Why choose an outside mount?

- #1 reason: If your window case doesn’t have enough depth (it should have at least 2 and half inch depth)

-Perfect for covering non-square window

-Hides the unwelcoming parts

-Completely eliminates light

-Fits in sleeping area



Step 2: Download our Accugine Measurement Form (Optional)



Step 3: Measure your window opening





Here are the steps if you want your window blinds inside mounted:




  1. Measure the depth of your window casing

  2. Check if it meets the recommended depth (it should be at least 2 and half inch)

  3. Take the width of the window opening, measure 2 to 3 width lengths: preferably, top, middle and the bottom

  4. Round all the measurements into the nearest 1/8 inch

  5. Write down all the records (in our Accugine Measurement Form or your own)

  6. Take the height of the window opening. Measure 2 to 3 height lengths: preferably, left, center and the right

  7. Round all the measurements into the nearest 1/8 inch

  8. Write down all the records (in our Measurement Checklist or your own)

  9. Encircle the smallest measurement of the width and subtract 1/4 inch from the total width. Write this adjusted width in the checklist.   

  10. Similarly for the height, encircle the smallest measurement and write this in the adjusted height without any changes.

  11. Double check your measurements

  12. Identify preferred placement of the handle (left or right)


 Now you have inside mounted!



If you prefer a video instruction, you might want to check out this (cr: Bali Blinds):







Meanwhile, here are the steps if you want your window blinds outside mounted:


  1. Examine the window opening and see if there are obstructions around the perimeter (i.e. switches, center moulding etc.)

    Take the width and height of the window opening. No need to measure 3 width lengths.

  2. Round all the measurements into the nearest 1/8 inch

  3. Write down all the records (in our Accugine Measurement Form or your own)

  4. Add at least 4 inches on the total width and 5 inches on the total height

  5. Write down the adjusted width and height at the designated section

  6. Double check your measurements.

  7. Identify preferred placement of the handle (left or right) 


Easy as that for the outside mounted!



You may also want to check out this video to see how it’s done (cr: Bali Blinds):





1. The measuring method is applicable in every single panel. So if you are going to cover 2 or more panels, make sure to measure each one (as how stated above) even if they look exactly the same in size to assure the total accuracy. Small differences matter!


2. Always check for obstructions around the window opening.


3. If you’re not used to reading tape measures, you may want to use tape measures with fractional markings


4. Take note of where you place the cord/handle

Easy right? Just follow these steps and you don’t need to worry if your blinds fit your windows.


Still need help measuring? Don’t hesitate to contact us and we’d be glad to help you.


If you have concerns and questions just comment them down below or message us and we’ll be here to answer your queries!


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How to Measure Windows for Blinds

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