Square Feet Calculator — How to Calculate Square Feet
Calculate area in square feet from a length and width. Process: select units (ft/m/in), convert to feet, compute area (length × width), convert units as needed. Example: 3m × 4m = 12 m² ≈ 129.17 sq ft.
Square Feet Calculator — How to Calculate Square Feet
What: Calculate the area (square feet) from a length and width. Usage: enter dimensions and select units. Scenarios: estimating flooring, countertops, room sizing, and real estate measurements.
Usage
Use this calculator to quickly estimate areas for flooring, paint, or furniture placement. Enter dimensions in the chosen unit and press Calculate.
Frequently asked questions
How do you calculate square feet?
Area = length × width after converting both dimensions to feet. Example: 10 ft × 12 ft = 120 sq ft.
Can I enter meters or inches?
Yes. Choose the unit for each side; the tool converts to square feet for the result.
Does this work for irregular rooms?
This tool handles rectangles. For L-shapes, split into rectangles, calculate each area, then add.