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

Related calculators

Weekly playbook

One actionable business calculation every Tuesday.

Real frameworks for pricing, hiring, and software ROI. No fluff. Unsubscribe in one click.