Area Calculator

Calculate the area of geometric shapes instantly. Supports Square, Rectangle, Triangle, Circle, Trapezoid, and more.

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Master Geometry Instantly

Stop memorizing complex formulas. Our Area Calculator is designed for precision and speed. Whether you're an architect, student, or DIY enthusiast, calculate the area of the 6 most common geometric shapes instantly.

Formulas & Cheat Sheet

Square
Area = a²
Rectangle
Area = w · h
Triangle
Area = ½ · b · h
Circle
Area = π · r²
Trapezoid
Area = ½(a+b) · h
Parallelogram
Area = b · h

How It Works

1

Select Shape

Choose from 6 geometric figures in the top grid.

2

Enter Values

Input dimensions like radius, width, or height.

3

Get Result

Instant calculation with one-click copy.