How to Measure for Curtains Correctly

When shopping for curtains, it’s easy to get caught up in choosing the perfect color, fabric, or header style. But there’s one factor that can truly make or break the look of your space—curtain size. Knowing how to measure for curtains is essential, because getting the right width and length does more than block light—it sets the mood and pulls your room’s style together. Whether you’re aiming for a cozy, intimate atmosphere or a bright, airy vibe, the right measurements ensure your curtains function perfectly while transforming your space beautifully. Before making your final choice, make sure you’ve mastered how to measure for curtains to get the perfect fit every time.

If the rod isn’t installed yet, start by deciding where you’d like the rod to be placed above and on either side of the window frame. Think about the height at which you want the rod to sit in order to achieve the desired visual effect.
Rod Height: To make your windows look taller, curtain rods are typically placed 6-10 inches above the window frame. Simply mark this height point lightly with a pencil or use some masking tape as a guide.
Rod Width: Add 6-15 extra inches on each side of the window frame to allow for the curtain stack. Lightly mark these points with a pencil or use masking tape as a guide.
How to Measure for Curtains Width
Choosing the right curtain width isn’t just about covering your window—it’s about creating the perfect look and making your space function better. Knowing how to measure for curtains helps ensure your curtains aren’t too narrow, which can make a window feel cramped, or too wide, which can overwhelm the room and block natural light. The correct width gives your curtains a full, stylish appearance when drawn, creating that soft, flowing effect you want. Plus, properly measured curtains open and close smoothly, giving you full control over light and privacy. Ultimately, understanding how to measure for curtains ties everything together, enhancing both the function and feel of your space.
Understanding Fullness

To keep your drapes from looking flat or too tight, adding fullness is key, especially for certain header styles that need extra width for a proper drape.
2X Pinch pleat come with a built-in 2X fullness, but if you’re aiming for a more voluminous look, simply increase the width.
For Grommet, Back Tab, and Rod Pocket styles, the standard fullness is 1x (or 100%). To get the best result, consider boosting it by 1.5X-2.0X. A 1.5X fullness gives a cleaner, more tailored vibe, while 2.0X fullness creates a plush, luxurious look.
2X Pinch Pleated/ 2X Pinch Pleated with Back Tab

Ordered Panel Width=Rod Width (excluding the finials)/ Panel Quantity
Actual Panel Width= Ordered Width+ 4’’ (2’’ side tuck on each side)Note: If you prefer a fuller look, you might want to add 1.25x more fullness, depending on your style.
Grommet/ Back Tab/ Rod Pocket

Ordered Panel Width=1.5-2 X Rod Width (excluding the finials)/ Panel Quantity
Actual Panel Width= Ordered Width
How to Measure for Curtains Length
The right curtain length is crucial for both the functionality and aesthetic of your space. The length you choose affects how well your curtains cover the window and how they enhance the overall look of the room. Getting the length right ensures your windows are properly dressed and your space feels balanced. Let’s break down why curtain length matters and how to measure it accurately.
Find the Ideal Placement

Different curtain lengths can create a variety of visual effects in your room. Knowing where each length sits in your space will help you better understand your needs and make the right choice for your home.
1: Still Length (45’’): This is the length that ends just at or slightly below the window sill.
2.Floor length (80’’-84’’): This curtain length reaches the floor, typically creating a more formal look.
3.Puddle length (90’’-120’’): This is an extended length that slightly touches or pools on the floor for a dramatic effect.

A (Grommet, Back Tab, Rod Pocket): Measure from the top of the rod down to where you want the curtain to fall.
B (Pinch Pleat): Measure from the eyelet to where you want the curtain to fall.Choosing curtains for your home doesn’t have to be a compromise. By measuring carefully and considering your needs for light, privacy, and functionality, you can find a solution that’s both stylish and practical.
Ready to find your perfect window treatment?
At Twodrapes, we’ve got a wide selection of curtains in all sizes, perfect for any window and style. Let’s make your space shine!