Home/Geometry/Hexagon Calculator

Regular Hexagon Calculator

259.8076
square units (area)
60
Perimeter
20
Long diagonal
17.3205
Short diagonal

Get every key measurement of a regular hexagon from just the side length. A regular hexagon has six equal sides, and its area equals three times the square root of three, divided by two, times the side squared, which for a side of 10 gives about 259.81 square units. This calculator also returns the perimeter, the long diagonal that spans corner to corner across the center, and the short diagonal that runs flat side to flat side. Hexagons are the shape of honeycomb cells, bolt heads, floor tiles and many board game grids because they pack together with no gaps. Enter the side length in any unit and the area comes back in that unit squared while the diagonals share your input unit. All values are computed locally in your browser at full precision, so nothing is transmitted, and you can copy the area with a single click for quick reuse.

How to use Hexagon Calculator

  1. Enter the side length of the hexagon.
  2. Submit to calculate.
  3. Read the area, perimeter and both diagonals.

Frequently asked questions

How is a regular hexagon area found?

For a regular hexagon the area is three times the square root of 3, divided by 2, times the side length squared.

What are the long and short diagonals?

The long diagonal spans corner to opposite corner and equals twice the side, while the short diagonal spans across two sides.

How is the perimeter of a hexagon found?

The perimeter is six times the side length since all six sides are equal.

What is Hexagon Calculator?

Get every key measurement of a regular hexagon from just the side length. A regular hexagon has six equal sides, and its area equals three times the square root of three, divided by two, times the side squared, which for a side of 10 gives about 259.

Is Hexagon Calculator free to use?

Yes. Hexagon Calculator is completely free, with no sign-up and no usage limits.

Does Hexagon Calculator work in a web browser?

Yes. Hexagon Calculator runs in any modern web browser. There is nothing to download or install.

Is my data private with Hexagon Calculator?

Yes. Hexagon Calculator runs entirely on your device in your browser, so nothing you enter is uploaded to a server.