Square Footage Calculator
Calculate the area of rooms, buildings, or land in square feet.
Square Footage Calculator
Calculate the area of rooms, buildings, or land in various units
About This Calculator
Calculate area for rooms and floor plans to estimate material quantities and costs.
Formula
Rectangle area = length * width; total area = sum of all sections
Example
Room A: 12 * 10 = 120 sq ft, Room B: 8 * 9 = 72 sq ft, total = 192 sq ft.
When to Use
- Flooring estimates
- Paint and carpet planning
- Real estate measurement checks
Best Practices
- Measure each section separately
- Include closets and alcoves intentionally
- Add waste margin for materials
FAQ
Do I include wall thickness?
Depends on your use case. Interior finishing often uses inside dimensions.
How much waste margin is typical?
Many projects add 5-15% depending on pattern and cuts.
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