How to Measure for a Barn Door

Are you considering the addition of a barn door to your home? Barn doors are an increasingly popular design element that adds both style and function, creating a unique look and providing additional privacy when desired. Barn doors are a great way to add character to any space while also providing an extra layer of privacy. Whether you’re creating an indoor oasis or just want to open up more space within your room, measuring for the right size barn door is essential.

How to Measure for a Barn Door

But before you get too far into planning for the installation of this great piece of architecture, it’s important to understand how to accurately measure a barn door in order to ensure it fits perfectly in its designated space. Achieving the right measurements can be difficult unless you have some experience with these types of projects — but have no fear! We’re here to help walk you through how to measure for a barn door so that optimal results can be achieved on any install job.

What is a Barn Door?

Before we get into how to measure for a barn door, let’s first discuss what exactly a barn door is. A barn door is defined as a sliding door that operates without the need for hinges or other traditional opening mechanisms. Barn doors provide increased privacy and can be used both inside and outside of the home. They are usually constructed from wooden panels and feature a unique, rustic look that adds character to any space.

The Benefits of Adding a Barn Door

Now that you know a little bit more about how a barn door works, let’s discuss some of the benefits of adding one to your home. A barn door can be used as an alternative to traditional hinged doors, taking up less space in your room and eliminating the need for extra floor space to open it. Barn doors also offer an additional layer of privacy, making them a great choice for any room where extra security or sound dampening is desired.

Additionally, barn doors are easy to customize and can be painted with unique colors and designs to match any style.

Used as an Alternative to Traditional Hinged Doors

Needed Tools and Supplies

Before you start measuring your barn door, make sure you have the necessary materials on hand. You’ll need a tape measure, pencil, level, and a stud finder. You may also want to consider purchasing mounting hardware, such as brackets or tracks, depending on how you plan on installing the barn door.

8 Steps on How to Measure for a Barn Door

You need to decide where you’ll want to take to measure the wall space where the barn door will be installed. Follow these steps to ensure you have the right measurements:

1. Measurement

Start by measuring the opening width of your door frame. Measure from one side of the frame to the other, making sure not to include any trim or molding. THe right measurement should be taken from the back of the door frame to the other side.

2. Measuring for a Barn Door Track

Next, you’ll need to measure how much space is needed for your barn door track. Measure from one end of the opening to the other, adding in an extra inch on each side so that the barn door can slide freely.

3. Measuring the Height of Your Barn Door

Once you have a measurement for the width of your opening, you’ll need to measure how much height is needed for your barn door. Measure from the top of the doorway to the floor, adding in an extra two inches so that there’s enough clearance for the barn door to slide without hitting the floor.

Measure How Much Height is Needed

4. Installing the Track

Now that you have your measurements, it’s time to install the track and brackets. Use a level to ensure that your track is installed properly so that it’s level. Make sure to use screws when mounting the track as this will ensure it stays in place.

5. Measuring the Barn Door

Lastly, you’ll need to measure how wide and how tall your barn door should be so that it fits perfectly within the designated space. Once you have these measurements, you can start shopping for a barn door that fits your needs perfectly!

6. Marking the Wall

Prior to installing your barn door, you should mark where you’ll be placing it on the wall. Use a pencil and level to make sure that your markings are straight and even. This will help ensure your installation is successful.

7. Installing the Barn Door

Finally, you can now install your barn door! Follow the instructions that come with your barn door, and make sure all of the hardware is tight and secure.

 Install Your Barn Door

8. Final Checks

Once you’ve installed your barn door, take a step back and check to make sure everything is how it should be. Make sure that the track is level and that the barn door slides smoothly within the opening.

Now that you know how to measure for a barn door, you’re one step closer to having the perfect addition to your home. Follow these steps, and you’ll be sure to get the best results any time you need to install a barn door.

8 Safety Precautions to Take When Measuring for a Barn Door

Measuring and installing a barn door can be intimidating, but with careful planning and the right safety precautions, you can get the job done quickly and efficiently. To ensure your measure-up is safe and accurate, here are eight tips to keep in mind:

  1. Make sure you have the right tools. You’ll need a stud finder, measuring tape, level, pencils, and other specialized tools depending on how you’re installing your barn door. If you don’t have the right tools, you may not be able to measure accurately and safely.
  2. Wear protective gear such as safety glasses, gloves, and a dust mask when measuring for your barn door. This will protect you from any hazardous materials or sharp edges that could otherwise cause injury.
  3. Choose a level surface on which to place the door. It’s important to check that the surface is level before you measure because an uneven surface could cause your barn door to hang incorrectly.
  4. Make sure you measure twice and cut once. This will help prevent costly mistakes when cutting the material for your barn door. It is always better to measure more than once so that you can be sure your measurements are accurate.
  5. Take extra precautions when measuring on ladders or other elevated surfaces. Make sure the ladder is securely placed and that it’s rated to hold your weight, as well as any tools or materials you may be carrying up with you.
  6. Secure any tools or materials that could fall off the ladder or otherwise cause injury before climbing up to measure for your door. This will help prevent accidents and property damage. You need to be sure your ladder can safely handle the weight of the tools and materials.
  7. Keep children and pets away from the area while measuring or installing a barn door. This is important for everyone’s safety, especially in case something falls on them, or they injure themselves with any of the tools involved in a barn door project.
  8. Finally, be sure to mark the measurements clearly and accurately with a pencil. Make sure that you double-check all of your measurements before cutting any material or starting the installation process.

By following these tips and taking proper safety precautions, you can make measuring your barn door an easy and painless process. Keep these tips in mind, and you’ll be ready to start the installation process with confidence!

Choose a Level Surface

Frequently Asked Questions

How Long Will It Take to Finish the Project?

The amount of time it takes to complete the project will depend on how complicated the door is. If you are working with a pre-hung door, installation can be completed in one day. However, if you need to measure and build your own custom size barn door, then it may take several days or even weeks to finish the project. It is important to make sure you have accurately measured the space and have all of the necessary materials before beginning the project in order to speed up the process.

Do I Need Any Special Tools?

No, measuring for a barn door doesn’t require any special tools. All you will need is a tape measure, level, and possibly a saw if you plan to customize the door. Make sure you measure both the width and height of your opening multiple times to ensure an accurate fit. Make sure to check the measurements twice and ensure that your door is level before installing.

All You Will Need is a Tape Measure

What Size Should I Choose?

When choosing a size for your barn door, it is important to consider how much space is available in the doorway and how large of a door you would like. Generally, barn doors range from 24 inches to 48 inches in width and from 80 inches to 96 inches in height. However, if your doorway is an odd size, you may need to customize the size of your door for a perfect fit. The proper size will ensure the door fits correctly and functions properly.


Measuring your barn door is an essential part of the installation process and something that should not be done without due diligence. Not only will it make your project look beautiful, but doing it right will also ensure that your door operates smoothly and fits perfectly into its space.

Following the tips on how to measure for a barn door outlined in this article, you can easily measure for a barn door with accuracy and precision, allowing you to create a functional yet aesthetically pleasing aesthetic for your space. After all, taking the time to do it correctly now will give you peace of mind knowing that your DIY project went off without a hitch in the end. Don’t forget to have fun while tackling projects such as these; sometimes, a little extra time spent upfront can lead to many years of enjoyment from whatever you’ve created!

Angela Ervin

Angela Ervin

Angela is the executive editor of DIY quickly. She began her career as an interior designer before applying her strategic and creative passion to lifestyle and home. She has close to 15 years of experience in creative writing and online content strategy for housekeeping, home decorations as well as other niche efforts. She loves her job and has the privilege of working with an extraordinary team. She lives with her husband, two sons, and daughter in Petersburg. When she's not busy working she spent time with her family.

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