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

Area is the size of a surface Learn more about Area, or try the Area Calculator.

May 8, 2026 · Find the area of rectangles, triangles, circles, trapezoids, and parallelograms with formulas and unit-aware steps.

Area is the measure of a region 's size on a surface. The area of a plane region or plane area refers to the area of a shape or planar lamina, while surface area refers to the area of an open surface or the …

The area of a shape is a two-dimensional quantity that is measured in square units like square inches, square feet, square yards. Learn more about the area, area formulas of different shapes along with …

May 9, 2026 · The meaning of AREA is the surface included within a set of lines; specifically : the number of unit squares equal in measure to the surface. How to use area in a sentence.

1 day ago · Area is the space inside a 2D shape, measured in square units. Learn the area formulas for square, rectangle, triangle, circle, and other shapes.

Area Calculator 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. …

The area of a circle calculator helps you compute the surface of a circle given a diameter or radius. Our tool works both ways — no matter if you're looking for an area-to-radius calculator or a radius to the …

Calculate square footage instantly with our free calculator. Measure rooms, properties, and areas using feet, inches, or meters.