Square footage formula
For a rectangle or square, multiply the length in feet by the width in feet: square feet = length × width.
Multiple rooms
If several spaces have the same dimensions, use the quantity field. For rooms with different dimensions, calculate each separately and add the results.
Useful conversions
| From | To | Conversion |
|---|---|---|
| Square feet | Square yards | Divide by 9 |
| Square feet | Square meters | Multiply by 0.092903 |
Irregular spaces
Split an irregular room into rectangles, calculate each rectangle, then add the areas. This is often more reliable than estimating the full outline at once.