Area Calculator

Area Calculator

Select shape, enter the required dimensions, click “Calculate”, and see the area along with a detailed step-by-step solution.

Select Shapes

m ▾

Number of sides:

Find area given:

Angle α:

deg ▾

Angle β:

deg ▾

Angle θ:

deg ▾

Angle γ:

rad ▾

m ▾

Area Calculator:

This area calculator helps you find the area of a wide array of geometric shapes, including squares, rectangles, circles, trapezoids, and more. Each result displays the formula used, clear step-by-step calculations, and flexible unit options (cm, m, ft, in, etc.), making it an ideal choice for students, engineers, and professionals working with geometry. It is designed to provide fast and accurate results while giving you a clear understanding of how each area is calculated.

How to Use the Area Calculator?

Follow these steps:

Step 1: Select Shape

Choose the geometric shape from the drop-down menu for which you want to find the area.

Step 2: Enter Dimensions & Choose Units

Input the dimension of the selected shape (such as length, width, radius, or height) and choose the units for these input measurements (mm, cm, m, ft, in, etc.).

Step 3: Click Calculate

Click on the “Calculate” button to get the area. The calculator will also show the step-by-step calculation and the formula used.

Supported Shapes & Formulas:

Square
Rectangle
Triangle
Circle
Semicircle
Sector
Ellipse
Trapezoid
Parallelogram
Rhombus
Ellipse
Kite
Regular Pentagon
Regular Hexagon
Annulus (Ring)
Irregular Quadrilateral
Regular Polygon

What Is The Area in Mathematics?

Area is the measurement of a space enclosed by a two-dimensional shape. It shows the actual size of the shape and indicates the surface it covers. For three-dimensional shapes, you can find area by using our surface area calculator.

Unit of Area:

In the International System of Units (SI), the area is expressed in square meters (m²). However, the other units are also used. For example:

Small objects: square millimeters (mm²) or square centimeters (cm²)
Rooms, furniture, or indoor spaces: square meters (m²) or square feet (ft²)
Land plots, gardens, or large areas: square kilometers (km²)

For larger spaces like land plots, fields, or gardens, try ur plot area calculator and get the precise measurements of the area.

Why Understanding Units Matter?

Understanding the correct use of units is necessary:

To define the scale of measurement correctly
Avoid confusions
To get the correct answer
Maintain Consistency

How To Find Area?

Square:

A square is a shape having equal measurements for its length and width. Begin by inserting the values in the square area formula:

Square Area = a × a = a²

where;

a = Length of the square side

Rectangle:

area of rectangle

The area measurement for a rectangular stone can be done either by using our rectangle area calculator or by employing the equation:

Area of a Rectangle = length × width = a × b

Triangle:

area of triangle

The formula to calculate the area of a triangle varies based on different parameters used:

When Height and Base are Provided:

Triangle Area = b × h 2

Two Sides And their Mutual Angle are Given: SAS

Triangle Area = 2 × a × b × sin(γ)

When Three Sides of a Triangle are Given:

Area = √[s(s−a)(s−b)(s−c)]

If Two Angles and the Side Touching Them are Provided:

Triangle Area = a² × sin(β) × sin(γ) (2 × sin(β + γ))

Using these formulas, you can easily calculate the area of a triangle based on the information you have. If these formulas look difficult to remember, simply use our triangle area calculator. It supports all these formulas, allowing you to calculate the area of a triangle accurately and instantly.

Circle:

area of circle

This is one of the most common and widely used figures in geometrical analysis. You can calculate the area of a circle by using the formula:

Circle Area = πr²

If you are working with a circular shape and want to analyze its area and properties, then our circle area calculator is the perfect tool for you.

Semicircle:

area of semicircle

The formula to find the area of a semicircle is as follows:

Area of a Semicircle = πr² 2

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