Understanding How Builders Calculate Square Footage: A Simple Guide
- slyterventures
- May 19
- 4 min read
When planning to build or buy a home, one of the most important things you need to know is the exact size of the house. This size is measured in what’s called square footage. But how do builders calculate square footage? It’s a common question, and getting it right is essential for accurate planning, budgeting, and making sure the space fits your needs. In this guide, you’ll learn how square footage is measured, what it includes, and why accuracy matters, especially when working with professionals like Revord Builders. For more helpful insights, you can also explore general home planning resources to guide your project.
Understanding the Basics: What Is Square Footage?
Square footage is the measurement of the area inside a building or room. To put it simply, imagine a square on the ground with each side measuring one foot. The area inside that square is one square foot. Builders use this unit to calculate how big a room or entire house is. It’s the foundation for planning materials, furniture layout, and more.

How Do Builders Calculate Square Footage: A Simple Explanation
Builders calculate square footage by multiplying the length and width of each room or space. For example, a room that’s 10 feet wide and 12 feet long would be:
10 feet × 12 feet = 120 square feet
They repeat this for each room and then add everything together to get the total square footage of the home. This method helps in estimating costs and materials accurately.
How to Measure Floor Square Feet: Easy Steps for Beginners
Here’s how you can measure square footage on your own:
Get a measuring tape.
Measure the length of the room wall-to-wall.
Measure the width of the room.
Multiply the length by the width.
Example:
Length: 15 feet
Width: 10 feet
15 × 10 = 150 square feet
This total is the floor area for that room.
Does Square Footage Include Closets? Clearing the Confusion
Yes, closets are included in the total square footage. Even though they are small, closets provide useful storage and are counted just like other rooms. Builders measure them using the same method and include them in the final total.
Are Stairs Included in Square Footage? Important Facts to Know
Stairs are typically included in square footage if they’re part of the finished living space. For example, stairs that lead to finished upper floors or basements are measured. However, if they lead to unfinished spaces, they may not be counted. Always ask your builder what’s included.
Gross Square Footage vs. Gross Floor Area: What’s the Difference?
Gross square footage is measured from the outer edges of the building, including all levels. The gross floor area, on the other hand, is measured from the inside walls. The numbers can vary, so it’s important to know which one your builder is using when planning or buying a home.
How to Calculate Floor Area in Different Rooms
Not all rooms are perfect squares. Here’s how builders handle different shapes:
Rectangular rooms: Length × width
Square rooms: One side × one side
Odd-shaped rooms: Divide into smaller rectangles or squares, calculate each, and add them together
This method ensures accurate measurements, even in tricky layouts.
How Is Square Footage Calculated in a 2-Story House?
In a two-story home, builders calculate the square footage of each floor and add them together.
Example:
First floor: 1,200 square feet
Second floor: 800 square feet
Total: 2,000 square feet
This helps you understand the full usable space across all levels.
Why Trust Revord Builders for Accurate Measurements in East Tawas, MI
Getting square footage right is critical for budgeting, planning, and building. That’s why it’s smart to work with experienced professionals. Revord Builders, based in East Tawas, MI, is known for reliable, accurate measurements that save time and money. As local experts, they know how to measure every corner of your home correctly, giving you peace of mind and a better building experience.

Final Thoughts: Ensuring Accurate Square Footage for Your Project
Learning how builders calculate square footage gives you more control over your construction or renovation project. Accurate measurements reduce waste, avoid delays, and help with everything from material ordering to home appraisals. Whether you're building from scratch, remodeling, or buying, it's always best to double-check your numbers or rely on trusted professionals.
If you're ready to build or need help with precise measurements, reach out to Revord Builders today. We’re here to help your home project get off to the right start, with accuracy and confidence.
Conclusion
Understanding how builders calculate square footage helps you plan better when building or buying a home. Accurate measurements mean you'll know exactly what you're getting and can avoid unexpected costs or confusion. Whether measuring floors, stairs, or closets, knowing how it's done can make a big difference.
When precise square footage matters, it's always best to trust experts. At Revord Builders, we provide reliable and accurate measurements so you can feel confident in your construction project.
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