Input Values

Result

Enter side length and click Calculate to see the result.

About Equilateral Triangles

An equilateral triangle has all three sides equal and all three angles equal to 60°. Properties:

  • Area: A = (√3/4) × s²
  • Perimeter: P = 3s
  • Height: h = (√3/2) × s

Where s is the side length.

Plane Geometry Calculators