Triangle Area Calculator

Unit:
Bottom:
Height:
Area of ​​a triangle:

What is a Triangle Area Calculator?

A Triangle Area Calculator is a tool that helps you determine the area of a triangle using different formulas based on the given measurements. The most common formula is:

where:

  • A = Area of the triangle
  • Base = The bottom side of the triangle
  • Height = The perpendicular distance from the base to the opposite vertex

Other methods include:

  • Heron's Formula (when all three sides are known):

    where ss s is the semi-perimeter, calculated as:

    and a,b,c are the three sides of the triangle.

  • Trigonometric Formula (when two sides and the included angle are known):

Why Use a Triangle Area Calculator?

  • Quick calculations – No need for manual computation.
  • Minimizes errors – Ensures precision in results.
  • Useful for various fields – Geometry, architecture, engineering, physics, and even art.

How Does It Work?

  1. Enter the required values (base & height, three sides, or two sides & an angle).
  2. Click Calculate – The tool applies the appropriate formula.
  3. Get the area – The result is displayed instantly.

When to Use It?

  • In geometry problems involving triangles.
  • For construction and design, such as calculating roof areas.
  • In surveying and land measurement to determine land plots.
  • In physics and engineering, where triangular shapes are used in structures and mechanics.