Equilateral triangle calculator

Please enter one property of the equilateral triangle

Use symbols: a, h, T, p, r, R


This equilateral triangle calculator calculates any equilateral triangle by entering one of its properties (except angles because α = β = γ = 60°). An equilateral triangle is a triangle in which all three sides are equal, so internal angles are 60° each. This calculator provides the calculation of all parameters of the triangle if you enter one of its parameters eg. area of the triangle T=125

Calculate an equilateral triangle by:

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See more information about triangles or more details on solving triangles.