Square Footage Calculator
Calculate the square footage of one or more rooms. Supports rectangular, triangular, and circular areas. Add multiple rooms and get the running total.
Area
—ft²
Area
—ft²
Total Area
Square Feet
0.00
ft²
Square Meters
0.00
m²
- 100% free — no account needed
- Runs in your browser
- Nothing is uploaded
Frequently asked questions
Is Square Footage Calculator really free?
Yes. Square Footage Calculator is completely free on PureBrowser — every feature, with no account, no trial, and no credit card.
Does Square Footage Calculator upload my data?
No. Square Footage Calculator runs entirely inside your browser, so anything you type, paste, or open stays on your own device.
Do I need to sign up or install anything?
Neither. There is no account and nothing to download — open the page and Square Footage Calculator is ready to use on desktop or mobile.
Does Square Footage Calculator work offline?
Once the page has loaded, yes. All of the processing happens locally in your browser, so it keeps working without a connection.
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