Area Calculator

Calculate the area of common shapes including square, rectangle, circle, and triangle.

GeometryFree
Formula
Square: s². Rectangle: l×w. Circle: πr². Triangle: ½bh.
Example

Rectangle 5×10 → Area = 50 sq units.

Frequently Asked Questions

Related Calculators

Square Area Calculator
Calculate area and perimeter of a square from its side length.
Rectangle Area Calculator
Calculate area, perimeter, and diagonal of a rectangle.
Circle Area Calculator
Calculate area, circumference, and diameter of a circle.