Explosion Tools

Square Footage Calculator

Calculate the area of rooms and spaces in square feet, square meters, and other units.. Free, no signup, works in your browser.

All calculations happen in your browser. No data is sent to any server.

About Square Footage Calculator

Calculate the area of any space in square feet, square meters, or other units. Supports multiple shapes: rectangle, circle, triangle, and trapezoid. Enter dimensions in feet, inches, meters, centimeters, or yards. Get instant results with unit conversions. Perfect for room measurements, flooring, painting, and landscaping projects. Runs entirely in your browser.

Frequently Asked Questions

What shapes are supported?
Rectangle (length × width), circle (radius), triangle (base × height), and trapezoid (two parallel sides × height).
What units can I use?
Input in feet, inches, meters, centimeters, or yards. Results show in square feet, square meters, square yards, and acres.
How do I measure an irregularly shaped room?
Break the room into rectangles and other simple shapes, calculate each separately, then add the results together.

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