Square Footage Calculator
Calculate square footage of a room, lot, or wall.
Interactive calculator
Result
Square feet
168
Square meters
15.61
Square yards
18.67
What it is
Square footage is the area of a flat surface measured in square feet. Used for paint, flooring, tile, and pricing rentals.
The formula
Square footage = Length × Width (both in feet)
Why it matters
Understanding square footage calculator helps you make a better-informed decision before you commit money or time.
Worked examples
Try the example
Use the defaults above as a starting point — then adjust the inputs to match your situation.
Common pitfalls
- Double-check the units on every input — most errors come from mixing units.
- Round at the end, not in the middle of the formula.
Frequently asked questions
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