Most Reliable Window Measuring in Portland

Get the Right Measurements

The first time, every time

We come to you! After you schedule your free consultation, we will come to your home, office, or rental property and measure your windows for a perfect fit from the get go. However, we are one of the few blinds outlets in Portland that can help you to get your own measurements and order over the phone. We are also available for video conferences, just give us a call, and we’ll set up a Zoom meeting.

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Precision Matters: Why Accurate Measurements Are Crucial

Accurate measurement is absolutely critical for blinds to function properly and look their best. Even minor inaccuracies in window measurements can lead to blinds that don’t fit properly, affecting both aesthetics and functionality.

Windows are rarely perfectly square. If blinds are too narrow due to inaccurate measurement, sunlight and cold air can leak in around the edges, reducing privacy and energy efficiency. Blinds that are too short or too long look unprofessional and can detract from a room’s design. Insufficient depth measurement can mean the blinds won’t fit in the window frame at all, potentially requiring a change in mounting type or even new blinds.

Professional measurement ensures a perfect fit, enhancing the appearance and performance of your blinds. Properly fitted blinds help control light and maintain privacy, which can improve energy efficiency by reducing heat loss in winter and minimizing heat gain in summer. Accurate measurements prevent gaps that would otherwise compromise these benefits.

Incorrect measurement can result in purchasing blinds that do not fit, leading to costly returns or replacements. This is especially true for custom blinds, which are often non-returnable if made to incorrect specifications.

Choosing professional measurement ensures you avoid these common issues, leading to successful installation and long-term satisfaction.

Inside vs. Outside Mount: Choosing the Right Installation Style

Understanding the difference between inside and outside mount installations is essential for the best fit and function.

  • An inside mount fits snugly within the window frame, offering a clean, built-in look. For inside mount, you measure the width and height inside the window frame at the top, middle, and bottom. To ensure the blinds fit, you should use the narrowest width and the tallest height recorded. Insufficient depth measurement can be a problem for inside mounts, as the blinds may not fit within the frame.
  • An outside mount extends beyond the window frame, providing better light control and privacy by covering the entire window opening and sometimes overlapping the trim. For outside mount, you measure the area you want to cover, adding extra inches to ensure full coverage and better light control.


Professionals can advise on the best option based on your window’s dimensions, your home’s style, and your preferences.

Quick comparison of inside vs outside mount for blinds

Step-by-Step Overview: What Measuring Involves

Whether you measure yourself or have a professional do it, the process involves careful steps to ensure accuracy.

For an Inside Mount:

  1. Measure the width of the window frame at the top, middle, and bottom. Use the narrowest width of these three measurements for your order. We usually take off a 1/2″ from the window width to make sure the blind doesn’t rub the sides of the frame.
  2. Measure the height of the window frame at the left, middle, and right. Use the tallest height of these three measurements. For most types of horizontal blinds like Roman shades, mini-blinds, and cellular shades, we try to use the smallest blind that is longer than the height of the window.


For an Outside Mount:

  1. Measure the desired width and height of the area you want the blinds to cover.
  2. Add extra inches to both the width and height measurements to ensure the blinds provide full coverage, maximizing light control and privacy. 2-3″ should be enough most of the time.


For both types, using a steel measuring tape is recommended for the highest accuracy. All measurements should be taken to the nearest 1/8 inch. Industry best practice also recommends measuring each window individually, even if they appear identical, as small differences can affect the fit. Always double-check your measurements and record them immediately to avoid errors.

Virtual Consultations: Measure from the Comfort of Your Home

For those who prefer to measure themselves, we can offer virtual consultations via video calls. A professional can guide you through the measurement process step-by-step, ensuring accuracy using the correct techniques (like measuring at multiple points and to the nearest 1/8 inch with a steel tape). This allows you to measure confidently without the need for an in-person visit.

The Benefits of Professional Measurement Services

Choosing professional measurement provides several key advantages:

  • Time-Saving: Our professionals handle the measuring, saving you time and effort.
  • Expert Advice: Receive guidance not only on measurements but also on the best blinds and mounting options for your specific windows and space. Our experts understand how to avoid common issues like gaps, awkward appearance, and mounting problems.
  • Peace of Mind: Ensure your blinds will fit perfectly the first time, avoiding the hassle and potential cost of returns or exchanges due to inaccurate measurements. You can rest easy knowing the measurements are precise, ensuring proper fit, function, appearance, energy efficiency, and installation success.


Let our highly-trained technicians handle the measuring to ensure the perfect fit.

Serving the Portland Metro Area

We are committed to providing local service to our community in Portland, OR and surrounding areas. We are proud to serve our neighbors from Forest Grove to Gresham, and Woodland to Salem.

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