Square Footage Calculator
Calculate area for rooms, flooring, paint, and construction projects
Add Room/Area
Enter room details to calculate square footage
Formula: Length × Width
Total Area
Combined square footage of all rooms
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sq ft
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sq ft
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m²
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sq yd
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acres
Measurement Tips
Accurate Measurements:
- Measure at floor level, not ceiling
- Account for alcoves and built-ins
- Subtract areas for stairs and permanent fixtures
- Double-check all measurements
Common Room Shapes:
- Rectangle: Most common room shape
- L-Shape: Open floor plans and extensions
- Circle: Round rooms and features
- Triangle: A-frame and unique spaces
Applications
Home Improvement:
- Flooring installation
- Paint calculations
- Carpet purchasing
- Tile quantities
Real Estate:
- Property listings
- Home valuations
- Space planning
- Rental pricing
Construction:
- Material ordering
- Cost estimation
- Project planning
- Code compliance