Square footage calculator
Find the area of one rectangular surface.
Formula
Area = length × width
Length: 12 ft · Width: 10 ft · Square meters ≈ (12 ft × 0.3048 m/ft)×(10 ft × 0.3048 m/ft) · Square feet ≈ (11.1483648)÷0.3048^2
How to use
- Enter length.
- Enter width and its unit.
- Read the area in ft² and m².
Examples
- 12 ft × 10 ft = 120 ft².
Frequently asked questions
How do I find square footage?
Multiply length by width after putting both in feet.
Can I combine rooms?
Calculate each rectangle and add the areas; do not include the same area twice.
Does this include waste?
No. Add a separate allowance when ordering flooring or tiles.
Sources
Updated: