Area Calculator
Calculate area of rectangles and circles. Free area calculator for quick measurements.
The Area Calculator below works out your result the moment you type — no sign-up, no cost. A simple everyday tool you can use in seconds. Enter shape, length (feet), width (feet) and radius (feet) and the total updates live.
How the area calculator works
Just fill in the fields above — shape, length (feet), width (feet) and radius (feet) — and the area calculator does the maths instantly. Nothing is sent anywhere; the calculation happens right in your browser.
Want this area calculator on your own site?
Add it free with RGT Quote Builder — a drag-and-drop WordPress calculator plugin with 100+ ready-made templates and no paywall.
FAQ
Is the area calculator free?
Yes — completely free to use, with no account and no limits.
Can I add this area calculator to my WordPress site?
Yes. Install the free RGT Quote Builder plugin, pick the Area Calculator template, and drop it onto any page with a shortcode or block.
Can I customise the fields and pricing?
Absolutely — every field, price and formula is editable in the drag-and-drop builder.