Construction Calculators
Free construction calculators for professionals. Estimate with precision.
Free Area Calculator
Square Footage Calculator
Calculate total area for multiple rooms with different shapes. Perfect for flooring, painting, and material estimates.
Multiple Room Support
Imperial & Metric
All Room Shapes
Area Calculator
Add rooms, select shapes, enter dimensions, and get instant area calculations
Calculator Features
Professional-grade area calculations for construction and real estate
Room Types
- Rectangular rooms
- Square rooms
- Circular spaces
- L-shaped areas
- Multiple room support
Calculations
- Total area sum
- Individual room areas
- Metric/Imperial conversion
- Instant results
- Export calculations
How to Use the Calculator
Follow these simple steps for accurate area measurements
Step-by-Step Process
- 1Click "Add Room" to create a new room
- 2Name each room for easy reference
- 3Select the appropriate shape (rectangle, square, circle)
- 4Enter dimensions in feet or meters
- 5View individual and total area instantly
Pro Tips
- Wall-to-Wall:Measure from internal wall to wall
- Include All Spaces:Account for closets and alcoves
- Complex Shapes:Break irregular shapes into basic shapes
- Verify Measurements:Double-check all dimensions
- Order Materials:Add 10% for waste in material orders
Common Applications
How square footage calculations help in construction and real estate
Construction
- • Flooring estimates
- • Paint coverage
- • Material ordering
- • HVAC sizing
- • Lighting requirements
Real Estate
- • Property listings
- • Space planning
- • Layout design
- • Area verification
- • Building codes
Renovation
- • Carpet installation
- • Tile calculations
- • Wall coverings
- • Cost estimates
- • Project planning
Need Advanced Takeoff Tools?
BuildVision AI automatically measures areas from your plans, handling complex shapes and generating instant material lists.
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