๐งฑ Construction
Square Footage Calculator
Square footage is the first number anyone asks about a property, but the way it is measured varies: appraisers use exterior walls while estate agents often quote usable interior area. Measuring each room separately and adding them up is the most accurate approach.
How it works
Length
Width
Number of identical rooms
Price per square foot (optional)
Total area
Total area
Total area
Total area
Value at that price per sq ft
Frequently asked questions
How do I use the Square Footage Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.