This area calculator determines the area of a number of common shapes, including rectangle, triangle, trapezoid, circle, sector, ellipse, and parallelogram.

If you're wondering how to calculate the area of any basic shape, you're in the right place - this area calculator will answer all your questions. Use our intuitive tool to choose from sixteen …

Use the area calculator to find the area of eighteen different shapes, plus learn the formulas and steps to calculate it.

Instantly calculate the area of each shape with the click of a button. View the calculated area in both metric and imperial units for your convenience.

This tool supports calculating the area of circles, sectors, rings, triangles, bows, ellipses, rhombuses, rectangles, squares, parallelograms, trapezoids and other shapes, and displays …

Calculate the area of various shapes with our free online area calculator. Find the area of rectangles, circles, triangles, and more.

Nov 10, 2025 · Calculate the area of any regular or irregular polygon instantly using our Area of a Polygon Calculator. Includes formulas, and step-by-step solved examples.

Use this area calculator to easily calculate the area of common bodies like a square, rectangle, triangle, circle, parallelogram, trapezoid, ellipse, regular octagon, and sector of a circle.

Aug 1, 2025 · Calculator online for a rectangle. Calculate the unknown defining areas, diagonals and angles with any three known variables. Online calculators and formulas for an rectangles …

Calculate area of circles, rectangles, triangles, polygons and more with our free online area calculator. Perfect for construction, landscaping, real estate, and education.