Home & Garden
Square Footage Calculator
Calculate the square footage of a room, including irregular layouts, for flooring, paint, or carpet projects.
#1×120 ft²
Total area
120 ft²
11.1 m²
How the Square Footage Calculator works
Add one or more rectangular sections with their length and width. The calculator multiplies and totals them for the room's full area — useful for flooring, paint, or carpet estimates.
Frequently asked questions
Can I calculate an L-shaped room?
Yes — break the room into rectangular sections and add each one; the calculator totals them all together.
How do I convert to square meters?
The result shows both square feet and square meters automatically.
Guides that cover this
Planning a Home Project Without GuessworkSquare footage, paint, energy costs, and moving — the numbers behind common home and household decisions.Calculating Square Footage for an Irregularly Shaped RoomHow to split an irregularly shaped room into simple rectangles to calculate its total area accurately.Why Your Square Footage Estimate Was Off From the Actual Flooring NeededWhy a room's raw square footage often needs to be adjusted before it matches the actual amount of flooring material required.Square Footage vs. Square Meters: Converting Between Area UnitsHow square footage and square meters relate, and the correct method for converting a room's area between the two.How to Use the Square Footage CalculatorA quick walkthrough of calculating room area for flooring, paint, and other home projects.Square Footage Calculator: How It Works and How to Use ItA quick guide to the square footage calculator — what it calculates, how the math works, and tips for getting an accurate result.