`Area_"Room" = W * L `

Enter a value for all fields

The Floor Area of a Room calculator computes area of a room based on the length and width of the room.  

INSTRUCTIONS: Choose units and enter the following:

• (L) Length of the Room
• (W) Width of the Room

Area of the Room (A): The calculator computes the area (A) in square feet.  However, this can be automatically converted to other area units (e.g. square yards or meters) via the pull-down menu.

The Math / Science

The formula for the square footage of a rectangular room is:

          A  = L •  W

where:

• A = Area of the room
• L = Length of the room
• W = Width of the room

Room Calculators

• Number of gallons to paint or primer a room.
• Cost to paint or prime a room.
• Surface area of the interior walls of a room
• Surface area of the interior walls and ceiling of a room.
• Floor area of a room
• Volume of a room
• Energy (BTUs/hr) needed to heat a room
• Insulation for a Room
• Number of Studs in a Room
• Number of drywall sheets needed for a room
• Cost of studs needed to frame a room