Square Footage Calculator

Find the area of a room or plot in square feet, square metres and square yards, with a waste allowance.

Quick answer: Square Footage Calculator: Find the area of a room or plot in square feet, square metres and square yards, with a waste allowance. Everything runs in your browser, so nothing you enter is uploaded or stored.

How to use Square Footage Calculator

  1. Enter your values in the fields.
  2. The results update instantly as you type.
  3. Note or copy the numbers you need.

Features

Frequently asked questions

How do I calculate square footage?

Multiply the length by the width. A 12 ft by 10 ft room is 120 square feet.

How much waste should I add?

For flooring or tiles, 5 to 10 percent extra is common to cover cuts and mistakes.

Is the Square Footage Calculator free?

Yes. It is free, needs no signup and works on any device.

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