Room Area Calculator

Calculate the area and perimeter of a room for flooring, tiles, paint, carpet, and other projects.

Measurement unit

Room dimensions

Enter the length and width of the room or surface you want to measure.

m
m

Room area

Your calculated room dimensions and area.

Floor area
—
Length × Width
Length
—
Width
—
Area in square meters
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Area in square feet
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Perimeter
—
Approx. square yards
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Calculation breakdown

Length —
Width —
Formula —
Floor area —
Perimeter —
Tip: Use the calculated floor area when estimating flooring, carpet, laminate, vinyl, or tile. For materials that require cuts or installation waste, add an appropriate allowance to the area before purchasing.