Square Footage Calculator

Summary

Enter the dimensions of a rectangular, circular, or triangular space to get its area in square feet, square meters, and square yards.

How it works

1. Select the shape of your space: rectangle, circle, or triangle.
2. Enter the required dimensions (length and width, radius, or base and height).
3. The calculator instantly displays the area in square feet, square meters, and square yards.
4. Add multiple rooms together using the room list to get a total.
5. Use the result to estimate flooring, paint, or carpet materials.

Use cases

• Measure a room before buying flooring or carpet.
• Calculate the area of a yard or garden plot.
• Estimate paint coverage for walls or ceilings.
• Determine usable floor space when listing or renting a property.
• Sum multiple rooms to find the total area of a home.
• Convert between square feet, square meters, and square yards.

Frequently Asked Questions