Geometry
Area from the side length
The standard formula, derived from six equilateral triangles.
The Formula
A = 1.5 x sqrt(3) x s^2
The standard formula, derived from six equilateral triangles.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| A | Area | square units | The area of the regular hexagon. |
| s | Side length | units | The length of one side. |
| sqrt(3) | Root three | unitless | About 1.7320508, from the equilateral triangle area. |
What Each Symbol Means
Asquare units
Area
The area of the regular hexagon.
sunits
Side length
The length of one side.
sqrt(3)unitless
Root three
About 1.7320508, from the equilateral triangle area.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to calculate the area of a hexagon page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Calculate The Area Of A Hexagon, filed under Math. Every number the guide produces comes from substituting into this one line.