Hexagon Area Calculator
Regular hexagon area and perimeter.
Enter your values
Enter the side length you are working with.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Area
- 93.5307
- Perimeter
- 36
- Long diagonal
- 12
- Short diagonal
- 10.3923
- Apothem
- 5.1962
Quick answer
A regular hexagon's area is (3√3/2)s², six equilateral triangles fitted together.
A = (3√3/2)s²
At a glance
| What it does | Regular hexagon area and perimeter. |
|---|---|
| Category | Math |
| Inputs needed | Side length |
| Main output | Area |
| Formula | A = (3√3/2)s² |
| Cost | Free — no sign-up, no download |
How to use the Hexagon Area Calculator
- 1Measure one side of the hexagon.
- 2Enter the side length.
- 3Read area, perimeter and diagonals.
Inputs explained
- Side length
- Enter the side length you are working with.
Worked example
Using the values the calculator loads with:
Inputs
- Side length6
Results
- Area93.5307
- Perimeter36
- Long diagonal12
- Short diagonal10.3923
- Apothem5.1962
Frequently asked questions
Why are hexagons common in nature?
They tile a plane with the least perimeter per area — efficient for honeycombs.
What is the apothem?
The distance from the centre to the midpoint of a side.
What do I need to enter into the Hexagon Area Calculator?
Just 1 value: side length. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Hexagon Area Calculator work out the answer?
A regular hexagon's area is (3√3/2)s², six equilateral triangles fitted together. It applies the formula A = (3√3/2)s² and shows the working so you can check each step by hand.
Is the Hexagon Area Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.