How to Measure Door Size for Replacement: 4 Simple Steps

Updated: Aug 26, 2019

If you're wondering how to measure door size for replacement, you've come to the right place. Keep reading to discover four simple steps - measuring width, height, thickness, and the area where the door will go. When it comes time for a door replacement, believe in the experts at Budget Windows & Doors - we take great pride in our work and place special emphasis on customer satisfaction.  

How to Measure Door Size for Replacement:

4 Simple Steps

Based on general wear and tear, the average homeowner should expect to schedule a front door replacement every 30 years, and there are telltale signs the time is nigh. If you have come to that point, the first step is to learn how to measure door size for replacement.

If there is a door currently installed in the frame, the measuring process will be much easier.

Step 1: Measure the height of the door on both the right and the left-hand sides. If the measurements differ, go with the tallest of the two.

Step 2: Measure the width of the door. As with width, take two measurements - across the top and across the bottom. Go with the longest of the two measurements.

Step 3: Measure the thickness of the door from somewhere close to the door handle.

Step 4: Just to be safe, measure the area where your door will go. Record the height and width of the door frame space. This will help ensure that you select the exact right replacement door.

Here's a video for reference.

Doors measurements are listed as height x width x thickness. When you are shopping for a door, choose one that is the closest fit, rounding up on the height or width if necessary. The closer the fit the better.

Note: It is possible to sand down a small amount if a door is too tall, but you cannot take a significant amount of height off a hollow cored door.

Doors measurements are listed as height x width x thickness.

What to do once the door is measured

Learning how to measure door size for replacement is the easy part. Once that is complete, we recommend you let the professionals take over.

By taking the DYI route over a professional door service, you miss out on workmanship guarantees and a warranty, both of which bring a healthy measure of peace of mind along with them. It's also important to rely on people who have Workplace Safety Insurance Board coverage in case of accident.

Additionally, not getting the job done right the first time will be even more costly down the line, as you may have to pay for expensive repairs and fixes. A measuring tape is simple enough to use, but don't underestimate the importance of being equipped with all necessary and specialized tools needed to complete the job with greatest efficiency.

You need craftsmen that are factory trained professionals, who take great pride in their work, and who use great care when working on your home.

It's important to have a sense of what you want and need when looking into a door replacement. Read our article on Door Replacement: 3 Things To Know Before Buying for more information.

In contacting Budget Windows & Doors, you can set up a personal client consultation. During the consultation, we are able to determine the true needs of your project – conscientiously aware of time and budget constraints that could potentially be a deterrent moving forward.

We can walk through every step from measurement to installation, and we offer a 10-year workmanship guarantee.

Need a door replacement? Trust Budget Windows & Doors, Kitchener

Budget Home Windows & Doors is pleased to be your source for all your window and door needs in the Kitchener area. We ensure our services are tailored to meet your requirements. 

We pride ourselves on our experience; we've seen it all, and we will recommend the right solution to maximize the value you get from your home improvement dollar.

Backed by superior quality products, service and knowledge, we are able to deliver flawless results time and time again.

Budget Windows & Doors services Kitchener, Waterloo, Cambridge, Guelph, Stratford and surrounding areas, our success stems from the quality service we provide with every job completed.

After all, that’s why our customers keep coming back and referring us to friends and family.

"Rate 5 out of 5, everything was done per the quote and on time. His guys were very easy to work with, they were very polite and courteous. I would definitely have then do work again!"

- Robbie

Read more customer reviews here.

For a no obligation estimate, contact us today!


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