Area Calculator

Calculate the area of various common shapes.

Math

Calculate Surface Area for Common Shapes

Our Area Calculator simplifies finding the area of common geometric shapes. Select the shape you're working with, enter the required dimensions, and the calculator will instantly compute the surface area. It's a fundamental tool for students, designers, and DIY enthusiasts.

The Area Formulas Explained

  • Rectangle: Area = Length × Width
  • Triangle: Area = 0.5 × Base × Height
  • Circle: Area = π × Radius²
  • Trapezoid: Area = 0.5 × (Base 1 + Base 2) × Height

How to Use the Calculator

  1. Select Shape: Choose the tab for the shape you want to calculate (Rectangle, Triangle, Circle, or Trapezoid).
  2. Enter Dimensions: Input the required dimensions for that shape (e.g., Length and Width for a rectangle).
  3. Calculate Area: Click the button to see the calculated area.

Real-World Example

You need to calculate the area of a circular garden with a radius of 3 meters.

  1. Select the 'Circle' tab.
  2. Enter 3 for the Radius.
  3. Calculation: Area = π * 3² = π * 928.27 square meters.

Frequently Asked Questions (FAQ)

  • What units will the result be in? The area will be in square units of whatever measurement you used for the dimensions. If you entered dimensions in feet, the area will be in square feet.
  • How do I find the area of a more complex shape? You can often break down a complex shape into simpler shapes. For example, an L-shaped room can be treated as two rectangles. Calculate the area of each rectangle and then add them together.
  • What's the difference between area and perimeter? Area is the measure of the space inside a 2D shape. Perimeter is the measure of the distance around the outside edge of the shape.