Square Footage Calculator
Calculate room and floor area in square feet or square meters for rectangular and multi-room layouts.
Rooms
Room 1
Result
—
Enter room dimensions and click Calculate.
Rectangular rooms use length × width. Convert between square feet and square meters (1 m² ≈ 10.7639 ft²).
Enter dimensions in feet or meters.
Enter length and width for each space.
See per-room and total area in sq ft and sq m.
Single rectangular bedroom.
120 sq ft (≈ 11.15 sq m)
Mixing ft and m in one room
Fix: Pick one unit system for all dimensions.
Forgetting closets
Fix: Add each finished space as its own room if needed.
Using perimeter instead of area
Fix: Multiply length by width — do not add them.
Calculate room and floor area in square feet or square meters for rectangular and multi-room layouts.
Rooms
Room 1
Result
—
Enter room dimensions and click Calculate.