Heron's Formula Calculator
Calculate the area of a triangle when you know all three side lengths using Heron's formula.
Heron's Formula
For a triangle with sides a, b, and c:
s = (a + b + c) / 2 (semi-perimeter)
Area = √[s(s-a)(s-b)(s-c)]
Calculate the area of a triangle when you know all three side lengths using Heron's formula.
For a triangle with sides a, b, and c:
s = (a + b + c) / 2 (semi-perimeter)
Area = √[s(s-a)(s-b)(s-c)]