Step 1: Figure out how much weight you need to support
When selecting a curtain rod, it’s crucial to consider how much weight it can hold. Heavier curtains (blackout curtains, thermal curtains, drapes) are heavier than many light-filtering and sheer options. If you have a set of heavy curtains, consider weighing them.

Divide the weight of your curtains by the approximate length of your curtain rod (we'll explain how to measure for this below). This will give you an idea of how much weight per foot your curtain rod will need to support. Look for information in your item details to see if the rod can support this amount of weight.

Step 2: Choose the curtain rod’s diameter
It’s important to know the diameter of your Curtain bracket for a couple of reasons. First, this will determine if your curtain's heading will fit onto the rod. You can learn more about curtain headings in our guide to choosing curtains. Second, this will help you select a curtain rod bracket if your curtain rod is sold separately from its hardware.

A modern brass curtain rod.
Step 3: Choose the curtain rod’s width (or length)
To determine the optimal width of your curtain rod, you'll need to measure the width of your window including the frame or trim. Take this measurement three times: once at the top, once at the center, and once near the bottom of your window. These measurements will most likely vary slightly. Use the largest of the three as your window's width.

If you don't have much space to either side of your window, look for a curtain rod that is the same width as your window. However, if space permits, we recommend that your curtain rod extend five inches past your window on either side. This ensures that, when your curtains are open, only a small portion of your window is still covered by the fabric.

Measuring curtain rods for an inside mount: If you're using a tension rod or installing another type of rod inside your window's frame or trim, measure the width of your windowpane. Start from the inner edge of the frame on one side and measure across to the inner edge of the frame on the other. Complete this measurement three times as explained above. Use the smallest measurement as your window's width. This will also serve as the width of your curtain rod.

An illustrated guide to measuring for the right curtain rod length
Step 4: Purchase the right fasteners and brackets (if necessary)
Many of our curtain rods come with all the brackets and fasteners you need. If you’re buying a rod separately, make sure you’re buying brackets that will fit around its diameter as well as the recommended size and number of screws and wall anchors (if you’re installing in drywall). Shop curtain rod brackets >

Step 5: Choose the type of curtain rod you need
The type of curtain rod you choose will depend on what you’re hoping to achieve with your curtains. Below, we'll guide you through the most common types of curtain rods.

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