Calculate the area of common geometric shapes quickly and accurately.
An Area Calculator helps you determine the surface covered by a geometric shape. It is widely used in mathematics, construction, architecture, land measurement, and interior planning.
Rectangle: Area = Length × Width Square: Area = Side² Circle: Area = π × Radius² Triangle: Area = (Base × Height) ÷ 2
A rectangle with length 10 units and width 5 units:
✔ Used by 320,000+ users monthly
✔ Supports multiple shapes
✔ Accurate geometry formulas
✔ Free, fast, and mobile-friendly