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📐 Area Calculator

Calculate the area of various geometric shapes instantly. Select a shape, enter the dimensions, and get the area with the formula used.

How to Use the Area Calculator

  1. Select a shape — Choose from circle, square, rectangle, triangle, parallelogram, trapezoid, or ellipse.
  2. Enter dimensions — Input the required measurements for the selected shape.
  3. Click Calculate — Press the button to compute the area instantly.
  4. View the result — See the area in square units along with the formula used.

Features

Tool Tags

Area Calculator Geometry Calculator Circle Area Triangle Area Rectangle Area Square Area Shape Area

Frequently Asked Questions

What shapes does the area calculator support?

The area calculator supports 7 shapes: circle, square, rectangle, triangle, parallelogram, trapezoid, and ellipse. Each shape has its own formula and input fields that appear when selected.

How accurate are the calculations?

Results are displayed with up to 4 decimal places for precision. The calculations use standard geometric formulas and JavaScript's built-in Math functions for maximum accuracy.

Can I use decimal values for dimensions?

Yes, you can enter decimal values for any dimension. The calculator accepts fractional inputs and computes the area accordingly.

Is this tool free to use?

Yes, the area calculator is completely free to use with no limitations, sign-ups, or hidden charges. All calculations are performed locally in your browser.

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