Question 1

How do I calculate the area of a rectangle?

Accepted Answer

Area of a rectangle = length × width. For example, a room that is 12 feet long and 10 feet wide has an area of 120 square feet. Simply multiply the two dimensions.

Question 2

How do I calculate the area of a circle?

Accepted Answer

Area of a circle = π × radius². For example, a circle with radius 5 cm has area = π × 25 ≈ 78.54 square cm. The radius is the distance from the center to the edge.

Question 3

How do I calculate the area of a triangle?

Accepted Answer

Area of a triangle = ½ × base × height. The height must be perpendicular to the base. For example, a triangle with base 10 and height 6 has area = ½ × 10 × 6 = 30 square units.

Question 4

What unit should I use for area?

Accepted Answer

Use the same unit for all measurements. Common units: square feet (sq ft) for rooms, square meters (sq m) for metric, square inches for small objects, and acres for land. Our calculator supports feet, meters, inches, centimeters, and yards.

Question 5

Why is area calculation important?

Accepted Answer

Area calculation is essential for flooring, painting, landscaping, construction, real estate, gardening, and material estimation. Knowing the area helps determine how much material you need and the cost of projects.

Area Calculator

Area Formulas

Rectangle

Circle

Triangle

Trapezoid

How to Use This Calculator

Frequently Asked Questions

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