How to Find the Square Footage of a Room

When you are planning to build or decorate a room within your home, one of the most important things to understand is the size of that room. The most common way to measure the size of a space is square footage.

Learn how to figure square footage so you can discuss building plans with architects or contractors, speak to interior designers about what will fit in your room, or estimate material costs.

Here’s what you should know when learning to figure square footage.

Reasons to Figure Out How to Get Square Footage of a Room

If you’re a home owner or renter, here are three reasons you might be interested in finding square footage of a room.


One of the most important is that the square footage of a home is often what determines its price. If you can determine the square footage of each room and add them together, you can know the total square footage and understand the value.

Home Remodeling

If you are making design choices, like how many tiles to buy for the floor of a room, it can help to know how to find the square footage of the floor itself.

If you’re in the market for home remodeling in Houston, visit the Rise Construction website today to learn how we can help you realize your dreams.


Finally, knowing the square footage of a space allows you to fill that space with furniture that will fit comfortably.

How to Find the Square Footage of a Room with Four Corners

If your room has straight walls and four corners, the way to figure square footage is simple. You can use a tape measure to measure the length and width of the room in feet. Then, you can multiply those two numbers together. The resulting number is the square footage of your room.

How to Find the Square Footage of a Room with Many Walls or Many Corners

Determining how to get square footage of a room with multiple walls and corners gets trickier. However, you can break the room down into multiple “boxes” (shapes with 4 corners and 4 sides), multiply the square footage of each box, then add those square footage amounts together.

For example, if you have a room that you’ve separated into 5 distinct rectangles that measure 100, 200, 300, 400, and 500 square feet, your room’s square footage would be a total of 1500 square feet.

What If Your Room Has Walls that Aren’t Straight, or the Space Isn’t Rectangular?

For rooms without straight walls, or triangular rooms, you need to figure out how to calculate the area of different shapes (in terms of feet). One helpful resource for finding non-square areas when figuring out how to determine square footage of a room can be found here.

If you’ve learned to estimate square footage, and now you need the help from a professional construction company in Houston to design, build or alter a space, consider Rise Construction. You can depend on Rise to calculate square footage for you if you would rather rely on the expertise of our contractors.

Our experts can create your dream home with all of the specifications that other builders can’t or won’t meet. To learn more about the services we offer, contact us today!