Area Calculator
Area Calculator
Quickly compute the area of any 2D shape
An Area Calculator is a mathematical tool used to calculate the amount of surface enclosed by a two-dimensional shape. It is useful for home improvement, construction, landscaping, flooring, painting, real estate, engineering, education, and everyday measurements.
The calculator can determine the area of common shapes such as squares, rectangles, triangles, circles, trapezoids, and parallelograms. Depending on the tool, users can enter measurements in units such as inches, feet, meters, centimeters, or yards and convert the result into different area units.
How Area Is Calculated
The calculation depends on the shape being measured.
Rectangle
Area = Length × Width
For example, if a room is 20 feet long and 12 feet wide:
20 × 12 = 240 square feet
The area is 240 ft².
Square
Area = Side × Side
For a square with a side length of 10 meters:
10 × 10 = 100 m²
Triangle
Area = ½ × Base × Height
For a triangle with a base of 12 feet and a height of 8 feet:
½ × 12 × 8 = 48 ft²
Circle
Area = π × Radius²
If a circle has a radius of 5 meters:
π × 5² ≈ 78.54 m²
Why Use an Area Calculator?
An Area Calculator makes it easier to determine how much space a particular shape covers without performing complicated calculations manually. It can help estimate the amount of flooring, carpet, paint, grass seed, tiles, or other materials needed for a project.
For irregular spaces, the area can often be calculated by dividing the space into smaller, simpler shapes, calculating each area separately, and then adding the results together.
Example: If a garden consists of two rectangular sections measuring 10 × 8 feet and 6 × 5 feet:
Area = (10 × 8) + (6 × 5)
= 80 + 30
= 110 ft²
The total garden area is 110 square feet.