Area Calculator

Use our free area calculator to find the area of common shapes. Select a shape type, enter the dimensions, and get the area instantly.

Math

Shape

Dimension A

Dimension B

Formula

Find the area of common geometric shapes. Select a shape and enter the required dimensions to compute the area.

Depends on shape

Percentage: The percentage value you want to apply

Number: The original number or value

Result: The calculated result

How It Works

1Select the shape type from the dropdown.
2Enter the required dimensions (side, width/height, radius, or base/height).
3Click Calculate to see the area.

Examples

Area of a square with side 5

1.Select shape = Square.
2.Enter Dimension A = 5 (side length).
3.Area = 5² = 25 units².

Result: 25.0000 units²

Area of a circle with radius 7

1.Select shape = Circle.
2.Enter Dimension A = 7 (radius).
3.Area = π × 7² ≈ 153.9380 units².

Result: 153.9380 units²

Frequently Asked Questions

Square, rectangle, circle, and triangle. More shapes will be added.

Any consistent unit. If dimensions are in cm, area is in cm².

A = ½ × base × height, where base is Dimension A and height is Dimension B.

For rectangles (height), triangles (height), and circles (not used).

Use precise measurements and consistent units for the most accurate results.

Related Calculators

Perimeter Calculator Circle Calculator Square Calculator Rectangle Calculator Percentage Calculator Basic Calculator

CalculateMe Team

Last updated: 2026-07-13

Area Calculator

Formula

How It Works

Examples

Area of a square with side 5

Area of a circle with radius 7

Frequently Asked Questions

What shapes are supported?

What units should I use?

How is triangle area calculated?

What is Dimension B used for?

What is the most accurate way to measure?

Related Calculators

Area Calculator

Formula

How It Works

Examples

Area of a square with side 5

Area of a circle with radius 7

Frequently Asked Questions

What shapes are supported?

What units should I use?

How is triangle area calculated?

What is Dimension B used for?

What is the most accurate way to measure?

Related Calculators