Triangle area formulas

Triangle area calculation formula
  1. Heron's formula for area of triangle Heron's formula

    Semi-perimeter calculation formula p - half-perimeter
  2. Base and height area calculation formula
  3. Height of the triangle The triangle's height is h.
  4. Circumradius of the triangle R - circumradius
  5. Inradius of the triangle r - inradius

Triangle Area Calculator

The formula for the area of a triangle is S = 1/2 * b * h.

Where S - area, b – base length, h – height.

Base (b)
Height (h)