Area of a triangle calculator

18 ways to quickly calculate area for all types of triangles, including equilateral, isosceles, and right triangles. Just enter the values you know and get the answer.
How to find the area of a triangle:
through base and height
through two sides and the angle between them
through the circumscribed circle and the sides of the triangle
through an inscribed circle and sides of a triangle
along a side and two adjacent angles
along the leg and adjacent angle
through the hypotenuse and the radius of the inscribed circle
along the segments into which the inscribed circle divides its hypotenuse
by Heron's formula
according to the Pythagorean Theorem