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.

Length

Width

Room area

Your calculated room dimensions and area.

Floor area

—

Length × Width

Length

—

Width

—

Area in square meters

—

Area in square feet

—

Perimeter

—

Approx. square yards

—

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.