How to Calculate the Square Footage of Your House: Simple Steps to Determine Your Home's SizeHome Design ExpertSep 17, 2025Table of ContentsStep-by-Step Measuring ProcessCommon Mistakes to AvoidFAQTable of ContentsStep-by-Step Measuring ProcessCommon Mistakes to AvoidFAQFree Smart Home PlannerAI-Powered smart home design software 2025Home Design for FreeDetermining the square footage of your house is essential for various reasons, such as selling your home, planning renovations, or simply understanding your living space better. To accurately measure the square footage, you need to follow some simple steps. First, gather your tools: a measuring tape, a notebook, and a calculator. Next, measure the length and width of each room in feet, and then multiply these two numbers to find the area of each room. Finally, add the areas of all the rooms together to get the total square footage of your house. Remember, don't forget to include closets and hallways!Step-by-Step Measuring ProcessTo help you measure your home accurately, follow these steps: Start at the front of your house and measure along the longest wall. Write down the length and width. Repeat this for each room. For irregularly shaped rooms, divide them into smaller rectangular sections. Measure each section and add them together.Common Mistakes to AvoidWhen calculating square footage, avoid these common pitfalls: Forgetting to include spaces like closets and utility rooms can lead to underestimating your home’s size. Also, make sure to measure from wall to wall, as excluding baseboards can affect the final measurement.FAQWhat is the average square footage of a house in the US? The average size of a new home in the US is around 2,500 square feet. However, this varies significantly based on location and style. How often should I measure my home's square footage? It's a good idea to measure your home's square footage when you make significant changes, like renovations or additions.welcome to CoohomHome Design for FreePlease check with customer service before testing new feature.