Area Calculator
Calculate area and perimeter for various geometric shapes
Shape Selection
Calculate area and perimeter of a rectangle
About Rectangle
• Area = Length × Width
• Perimeter = 2 × (Length + Width)
• Opposite sides are equal and parallel
Area Calculation Guide
Area measures the size of a 2D surface. Common formulas: Rectangle = L×W, Circle = πr², Triangle = ½×base×height.