Area of Triangle Calculator

Calculate triangle area using base & height, Heron's formula (SSS), SAS formula, or coordinate vertices with step-by-step solutions.

Base (b)

Height (h)

Side a

Side b

Side c

Side a

Side b

Included Angle C (degrees)

Vertex 1 (x₁, y₁)

Vertex 2 (x₂, y₂)

Vertex 3 (x₃, y₃)

Triangle Area

square units

Perimeter