# Online calculator. Triangle area. Heron's formula.

This free online calculator will help you to find the area of a triangle using the Heron's formula.

Using this online calculator, you will receive a detailed step-by-step solution to your problem, which will help you understand the algorithm how to find triangle area using the Heron's formula.

## Calculation of Triangle Area using the Heron's formula

Input lengths of triangle sides:

a =

b =

c =

Area in
You can input only integer numbers, decimals or fractions in this online calculator (-2.4, 5/7, ...). More in-depth information read at these rules.

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See also
Area Formulas for Geometric Figures.
Length and width converter
Area converter
Perimeter calculators

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