Room Square Footage Calculator
Calculate the square footage of a room by entering its length and width. Supports multiple shapes (rectangle, square, L-shape) and provides total area in square feet and square meters.
Published by:
isCalculator Editorial Team
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How to use this tool?
This calculator computes the total floor area of a room in square feet or square meters. Follow these steps:
- Select Room Shape – Choose Rectangle, Square, or L-Shape from the dropdown.
- Enter Dimensions – Input all required lengths and widths in feet or meters (positive numbers only). For L-shapes, provide both rectangle dimensions.
- Choose Unit System – Select Feet or Meters to match your measurements.
- Calculate – Click the Calculate Area button.
The result shows the area in your chosen unit, plus automatic conversions between square feet and square meters. The formula used is displayed for verification.
Previous Results
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Frequently Asked Questions
Multiply the length by the width. For example, a room 12 ft long and 10 ft wide has an area of 120 sq ft.
Divide the room into two rectangles, calculate the area of each, and add them together.
1 square foot is approximately 0.0929 square meters. To convert sq ft to sq m, multiply by 0.092903.