Area Calculator
Calculate surface area for various 2D shapes.
Enter dimensions to see result
Mastering 2D Geometry: Area Calculations
Area is the quantity that expresses the extent of a two-dimensional region, shape, or planar lamina. From buying the right amount of paint for a wall to calculating the size of a pizza, area is one of the most practical math concepts.
Multiple Shapes
Support for Circle, Triangle, Rectangle, Square, Trapezoid, Ellipse, and more.
Instant Results
See the area update in real-time as you adjust dimensions.
Educational Formulas
Learn the math behind the calculation with displayed formulas.
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