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How to Calculate Square Footage of a Room

by Bestlaminate
Published: Updated: 53 comments 6 minutes read

Are you planning to buy new flooring? Knowing how to calculate the square footage of a room is crucial. With our free square footage calculator, finding your square footage is a breeze!

To determine how much flooring you need, you must calculate the square footage of all the areas in the room where you’ll install your new floor – even the little nooks and crannies. Simply add up all those measurements for the final amount.

Efficiently plan your flooring project with accurate measurements and thorough checks. Don’t overlook the importance of verifying, particularly when ordering online. To ensure worry-free installation, we advise adding a 5-10% waste factor. This guarantees you’ll have spare flooring for unexpected mishaps, mistakes, damages, or additional planks that might be required. Furthermore, it’s wise to keep some extra flooring on hand, just in case of any future damage or replacement.

Before you place your order, you’ll have to know the square footage of your room and how much flooring comes in each box. Please note that this amount will vary depending on the type of floor and manufacturer.

On the Bestlaminate.com website, entering your needed square footage on any product page will automatically calculate the number of boxes you require. You can also use our room calculator here.

Let’s Get Started!

Calculating square footage is simple! Start by measuring the length and width of your room. Depending on your room’s layout, use one of our methods below to calculate the square footage. Don’t worry if your room isn’t a perfect rectangle – we’ll guide you through various scenarios.

You’ll need:

  • Tape measure
  • Calculator
  • Notepad or device to record measurements
Calculating Square footage of a Room: Step 1 Measure the Dimensions

To determine the length, identify the longest side of the area and attach a measuring tool, such as a tape measure, to one end. Extend it to the opposite end and take note of the measurement.

Next, pinpoint the shortest side of the area to find the width. Repeat the measuring process and record this measurement.

Calculating Square footage of a Room: Step 2 Calculate the Area

You can calculate the area of any space with this simple formula: Area = Length x Width.

It’s as easy as multiplying the length by the width!

If you have a space with multiple areas to measure, don’t worry. Just calculate each area separately and then add them together to find the total area of your project.

Calculating Square footage of a Room: Step 3 Add up Multiple Areas

For projects with multiple spaces, separate areas, or odd dimensions, we suggest breaking it up into separate areas.

Make your project easier to manage with these simple steps:

    1. Divide the room into separate areas, such as “area 1”, “area 2”, “closet.”
    2. Measure each area individually.
    3. Calculate the square footage of each space by multiplying its length by its width.
    4. Add up the calculations of each space to find the total area.

    By breaking up your project into smaller, defined spaces, you’ll have better control and accuracy in your measurements.

    Calculating Square footage of a Room: Step 4 Add Waste Factor

    When purchasing new floors, it’s crucial to consider the waste factor. Adding 5-10% extra to your total square footage ensures you have enough for any errors, damage, or extra cuts that may occur during installation. Don’t run short in the middle of the project!

    Remember, when placing your flooring order, the final square footage will be rounded up or down based on the flooring content in each box. Ensure a smooth and successful project by accounting for the waste factor from the start.

    Calculating square footage has never been easier. Start planning your flooring project today with our helpful tips and tools!

    Still have questions on calculation square footage? Contact one of our flooring experts today!

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    Gregg Stone March 31, 2018 - 12:31 pm

    I have 2 areas to cover. One is 3’9”x8’. The other is 3’6”x6’. How many sq.ft. are in the 2 areas?

    Alana Kane April 2, 2018 - 3:53 pm

    Hi Gregg, you’re looking at 52.8 sqft. Check out our room calculator to help with your project: https://www.bestlaminate.com/room-calculator/

    Joseph Webb November 30, 2017 - 6:49 am

    I’m trying to find a discontinued laminate flooring to match my original flooring the board says it was made in 2013 but when I went to buy same kind it was totally different

    Ashley Tolfo November 30, 2017 - 11:21 am

    Hi Joseph – We would be happy to help you either see if we offer the discontinued flooring you are looking for or find a suitable match. Please email us at [email protected] or give us a call at 1-800-520-0961 to speak with one of our knowledgeable sales representatives.

    Verna November 2, 2017 - 9:57 pm

    I have 496 sq ft of flooring space, how much porcelain flooring do I need for tiles that covers 14.55 sq ft in a case?

    Ashley Tolfo November 3, 2017 - 10:28 am

    Hi Verna – You will need 35 boxes of flooring.

    Mark Hirzel August 31, 2017 - 9:38 pm

    I have about 630 square feet that I need to cover. I’m figuring in the footage underneath my counters also, probably about 15 lineal feet. What is your estimation of what I need.

    Ashley Tolfo September 1, 2017 - 5:08 pm

    Hi Mark – In order to help you calculate how many boxes you will need, I will need to know how many sq.ft. are in the box of flooring you are considering. Each manufacturer and each collection of flooring usually has a different sq.ft. per box, which you can find on the box itself or on the website where the floor is being sold. Please comment with the sq.ft. per box and I will be happy to help you!

    Mark Hirzel September 1, 2017 - 8:54 pm

    There are 20sq. Ft per box.

    Ashley Tolfo September 5, 2017 - 10:32 am

    Hi Mark, if your total sqft is 630sqft and there are 20sqft per box of flooring, and you calculate 5%-10% for waste, the total amount of floor you need to purchase is 34 to 35 boxes of flooring.

    C. Ghaith. October 7, 2016 - 6:32 am

    You have done very interesting work. All tricks and calculation is very useful. Especially, calculate the square footage of an odd shaped room is an interesting method.

    Alana Kane October 7, 2016 - 9:49 am

    Thank you! Glad it is helpful.

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