Everyday Converters
Square Footage Calculator
Calculate square footage from length and width.
Result
--What does this calculator do?
Calculate square footage from length and width.
Formula
Square footage = length × width.
Example calculation
A 12 by 10 room has 120 square feet.
Common use cases
- Flooring
- Painting
- Home projects
Limitations and accuracy notes
This calculator is for quick planning and education. Results depend on your inputs and may not include every real-world rule, fee, tax, health factor, or local requirement.
Square Footage Calculator FAQ
Is this calculator free?
Yes. It gives quick estimates directly in your browser.
Should I use this as professional advice?
No. Use it as a planning aid and confirm important decisions with a qualified professional.