Room area calculator
Enter the room length and width to get the area and perimeter.
Result
A 4 m × 5 m room has a 20 m² area and an 18 m perimeter.
Example
Calculate the floor area and perimeter of a rectangular room in your browser. Values stay on your device.
A 4 m × 5 m room has a 20 m² area and an 18 m perimeter.
Processed locally in your browser.
Methodology
Area = length × width; perimeter = 2 × (length + width).
Related tools