» Area of a triangle Calculator (Heron's formula)


Area Calculator: Calculate the area of various shapes and surfaces - circle, rectangle, sphere, and more. Perfect for geometry and engineering.

Initial Data



\begin{align} A &=\sqrt{s \times (s-a) \times (s-b) \times (s-c)} \\ s &=\frac {a+b+c}{2} \\ \end{align}


Edge (a)
Edge (b)
Edge (c)

See also:


2-dimensional shapes


3-dimensional shapes