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

6 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 size of a surface! Learn more about Area, or try the Area Calculator. The formula is: Area = w × h w = width h = height.

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 …

Aug 1, 2025 · Calculate the area, circumference, radius and diameter of circles. Find A, C, r and d of a circle. Given any 1 known variable of a circle, calculate the other 3 unknowns. Circle formulas and …

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

Mar 31, 2023 · You will learn what area is, how area is measured, how to find area by counting square units, and how to find the area of rectangles using addition or multiplication.

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

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.