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.

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 …

3 days ago · 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.

Area is the amount of space occupied by a two-dimensional figure. In other words, it is the quantity that measures the number of unit squares that cover the surface of a closed figure.

Area is the size of a surface! These shapes all have the same area of 9: There are special formulas for certain shapes:

Easy-to-use area calculator to calculate the area of a square, rectangle, triangle, circle, parallelogram, trapezoid, ellipse, octagon, and sector of a circle. Formulas, explanations, and graphs for each …

Nov 22, 2025 · Free area calculator for rectangles, circles, triangles, trapezoids, and more. Calculate area instantly with step-by-step formulas and multiple units.

Explore the mathematical concept of area, including its definition as space within a 2D shape and practical calculations for circles, triangles, and rectangles using standard formulas and step-by-step …

AREA definition: any particular extent of space or surface; part. See examples of area used in a sentence.