How to Measure Diameter of Curtain Rod

Are you planning to purchase a new curtain rod but don’t know how to measure the diameter of the hole in your wall or window frame for an exact fit? Are you looking for a practical, cost-effective way to measure the diameter of your curtain rod? Don’t worry – measuring for a curtain rod is not as complicated as it may seem.

With just a few simple steps on how to measure diameter of curtain rod, you can ensure that your new curtain rod fits perfectly into any space and adds the perfect finishing touch to your decor.

How to Measure Diameter of Curtain Rod

In this blog post, we’ll walk through all of the essential steps necessary to accurately measure the diameter of your curtains rods so that you get exactly what you need in no time. Say goodbye to guesswork and get ready for precise results!

Why is It Important to Measure the Diameter of the Curtain Rod?

1. For Accuracy

When it comes to getting your curtain rod installation right the first time, accuracy is key. An accurate measurement of your curtain rod’s diameter will ensure that your new purchase fits perfectly into the space where you plan to mount it. Measurement errors can lead to costly returns and delays in installing a new curtain rod, so precise measurements should be taken before ordering or purchasing anything.

2. For Aesthetic Purposes

Accurate measurements also ensure that the look and feel of your new curtain rod match the style of your home decor. If you don’t measure the diameter correctly, you might end up with an ill-fitting piece that detracts from the overall aesthetic of the room. With accurate measurements, you can guarantee that your new curtain rod fits perfectly and adds to the ambiance of your home.

Required Items for Measuring Diameter

Before you can measure the diameter of your curtain rod, you’ll need to gather a few materials. These include:

  • A measuring tape
  • Pencil or marker
  • Ruler
  • Level (optional)

Make sure that all of these items are nearby and ready before beginning the process.

Curtain Rod Fits Perfectly

8 Step-By-Step Guide on How to Measure Diameter of Curtain Rod

Once you’ve gathered the necessary items, you’re ready to begin measuring for your new curtain rod. Here’s what to do:

Step 1: Use a Marker

Start by using a pencil or marker and ruler to measure the width of the hole in the window frame or wall in which you plan to mount your curtain rod. Keep in mind to measure from the furthest point inside the hole to determine its overall diameter.

Step 2: Use a Measuring Tape

Next, use a measuring tape to measure the exact length of the opening. Since curtain rods are typically measured in inches, make sure that you have your measurements in inches as well. This will help provide an accurate reading when it comes to ordering the correct size.

Step 3: Use Level (Optional)

If you have a level, now is the time to use it. Place the level on top of the measuring tape and ensure that it’s perfectly horizontal for an exact reading. This will help you get a more accurate measurement than if you were relying solely on your eyes.

Step 4: Record Results

Once you have the measurements, make sure to record the results on a note or on paper. This will help ensure that you have the exact diameter of your curtain rod when it’s time to order your new purchase.

Step 5: Repeat for Other Curtain Rods or Openings

If you plan to measure for multiple curtain rods or openings, make sure to repeat the steps above for each one. This will ensure that all of your measurements are accurate and that you purchase exactly what you need.

Measure for Multiple Curtain Rods

Step 6: Do a Final Check

Before ordering anything, do a final check of all of your measurements. This will help confirm that you have the exact size and diameter you need for your curtain rod.

Step 7: Order Your Curtain Rods!

Once you’re confident in your measurements, it’s time to order your new curtain rods. Make sure to double-check all of the details before submitting an order, as this will ensure that you get exactly what you need.

Step 8: Install Your Curtain Rods

Once your curtain rods arrive, make sure to install them as soon as possible. This will ensure that you can enjoy the added beauty and style that your new purchases bring to your home in no time.

Following the steps on how to measure diameter of curtain rod outlined above, you should now have a clear understanding of how to measure the diameter of your curtain rods. With this knowledge and a few simple materials, you can ensure that your next purchase is perfect for your home. So what are you waiting for? Let’s get measuring!

8 Common Mistakes to Avoid

  1. Not Measuring the Entire Length of the Rod. To get an accurate measurement, you must account for any curves or bends in your curtain rod. Measure from end to end, and make sure that all measurements are taken on the outside surface of your rod.
  2. Not Considering Any Projections Outside the Wall. Many curtain rods protrude beyond the wall. Make sure to include any extra length in your measurement, or else you may be purchasing a rod that is too short for your window.
  3. Not Taking into Account Rings or Other Accessories. Many curtain rods come with clips and rings which can add a few inches of additional length. Consider this when taking measurements so that you can get the perfect length for your window.
  4. Not Considering the Curtain Panel Sizes. Before purchasing a curtain rod, you should also consider the size of the curtain panel you are planning to install. This will help ensure that there is enough overlap on either side of the window.
  5. Forgetting to Measure Your Window Frame Width and Height. It’s important to measure the width of your window frame as well as the height. This will give you a better idea of what size curtain rod will fit best in your space.
  6. Not Account for Obstructions or Impediments. When measuring, try to keep obstructions such as windowsills and window frames out of the equation. These can cause the final measurement to be inaccurate.
  7. Not Taking into Account Hardware Sizes. Make sure you take any necessary hardware sizes into account, such as screws, anchors, and mounting brackets. This will help you make sure that your curtain rod is properly installed and secure.
  8. Forgetting to Double-Check Your Measurements Before Purchasing a Rod. Don’t forget to go over your measurements one more time before purchasing a rod. This will help ensure that you get the correct size and avoid any costly mistakes.
Perfect Size Curtain Rod

By following these tips, you can make sure that you get the perfect size curtain rod for your window. Be sure to measure carefully and double-check all of your measurements before making a purchase. This will help you get the perfect size curtain rod for your window without any hassle or extra work.

Frequently Asked Questions

How Long Will It Take?

Measuring the diameter of a curtain rod is typically a quick process that should only take a few minutes. You’ll need to start by taking out any curtains or other window treatments, and then remove the drapery rod from its mounting brackets. Once you have your hands on the rod itself, measure the circumference with either a flexible tape measure or a ruler and then divide that measurement by 3.14 to get the diameter of the rod. Make sure you measure from end to end to get an accurate reading; if the curtain rod is bent in any way, it will affect your results.

What Tools Are Needed?

Measuring for drapery rods doesn’t require any special tools; a flexible tape measure or ruler is all you’ll need. You may also want to have a calculator on hand in order to accurately divide your circumference measurement by 3.14 and get the diameter of the rod.

What Are the Most Common Sizes?

The most common curtain rod diameters are 1”, 1 ½”, and 2”. However, there is a wide variety of sizes available; some rods can be as small as ¾” or as large as 4”. As such, it’s important to measure your rod before you begin shopping for new window treatments.

Buying Well-measured Rods


As you have discovered in this blog post, measuring the diameter of a curtain rod requires specific tools and simple steps to be followed. The straightlined methods explained here should help you accurately measure the curtains for your space. Additionally, while many rods are standard sizes, one must keep in mind that some rods could require customized measurements.

Therefore, if your measurements appear off after following all the instructions on how to measure diameter of curtain rod described herein, it may be due to there being a custom-built rod in place.

Additionally, buying well-measured rods can actually save you time and effort later on as it will ensure that installing them is a straightforward task. With this blog post as your guide, you now possess the skills necessary to measure any given curtain rod with ease!

Photo of author

Jennifer Branett

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