Square Footage Calculator
Calculate the area of a room or space, including multi-section layouts.
Square Footage / Area Calculator
| Section | Length | Width |
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Your Result
Calculating Area for Irregular Rooms
Not every room is a perfect rectangle. This calculator lets you break an irregular space into multiple rectangular sections, calculate each one's area, and add them together for the total — the standard approach used by flooring and construction professionals.
Frequently Asked Questions
How do I measure an L-shaped room?
Split it into two rectangles, measure the length and width of each section separately, add a row for each, and the calculator sums the total area.
Can I switch between feet and meters?
Yes, select your unit before calculating. All rows use the same unit, so make sure all your measurements are in that unit.
Do I need to subtract closets or alcoves?
Not necessarily, it depends on your purpose. For flooring material, you likely want to include them; for usable living space calculations, you may want to exclude non-living areas.