Gather a tape measure, notepad, and pen
Clear the room if needed for easier access
Measure the length of the room from wall to wall
Measure the width of the room from wall to wall
Measure the height of the room from floor to ceiling
Measure any alcoves, closets, or recesses separately
Measure door and window openings if needed
Record all measurements in the same unit
Double-check each measurement for accuracy
Multiply length by width to get the floor area
Use the measurements for flooring, paint, furniture, or renovation planning